MediaPlayerElement Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Represents an object that uses a MediaPlayer to render audio and video to the display.
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 196608)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class MediaPlayerElement : Control[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 196608)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public class MediaPlayerElement : ControlPublic Class MediaPlayerElement
Inherits Control<MediaPlayerElement .../>
- Inheritance
- Attributes
Windows requirements
| Device family |
Windows 10 Anniversary Edition (introduced in 10.0.14393.0)
|
| API contract |
Windows.Foundation.UniversalApiContract (introduced in v3.0)
|
Examples
Tip
For more info, design guidance, and code examples, see Media playback.
If you have the WinUI 2 Gallery app installed, click here to open the app and see the MediaPlayerElement in action.
This code creates a MediaPlayerElement with the AutoPlay property explicitly set to true and the Source set to the path of a video file that is included in the app.
<MediaPlayerElement Source="ms-appx:///Media/video1.mp4" AutoPlay="True" />
This example creates a MediaPlayerElement with the transport controls enabled.
<MediaPlayerElement x:Name="mediaPlayer"
Source="ms-appx:///Media/video1.mp4"
AreTransportControlsEnabled="True" />
This example shows how to use a MediaPlayerElement in a Popup.
<Grid>
<Button Content="Show Popup" Click="ShowPopupClicked"/>
<Popup x:Name="mediaPlayerPopup">
<StackPanel Height="1400" Width="1400" Background="Blue">
<MediaPlayerElement x:Name="mediaPlayer"
AreTransportControlsEnabled="True"
Source="ms-appx:///Media/Intro.wmv"/>
<TextBlock Text="Simple Popup"/>
<Button Content="Close" Click="ClosePopupClicked"/>
</StackPanel>
</Popup>
</Grid>
long token;
protected override void OnNavigatedTo(NavigationEventArgs e)
{
token = mediaPlayer.RegisterPropertyChangedCallback(MediaPlayerElement.IsFullWindowProperty, OnMPEFullWindowChanged);
base.OnNavigatedTo(e);
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
mediaPlayer.UnregisterPropertyChangedCallback(MediaPlayerElement.IsFullWindowProperty, token);
}
private void OnMPEFullWindowChanged(DependencyObject sender, DependencyProperty dp)
{
MediaPlayerElement mpe = (MediaPlayerElement)sender;
if (mpe != null && dp == MediaPlayerElement.IsFullWindowProperty)
{
if (mpe.IsFullWindow == true)
{
mediaPlayerPopup.Visibility = Visibility.Collapsed;
}
else
{
mediaPlayerPopup.Visibility = Visibility.Visible;
}
}
}
private void ClosePopupClicked(object sender, RoutedEventArgs e)
{
// If the Popup is open, then close it.
if (mediaPlayerPopup.IsOpen) { mediaPlayerPopup.IsOpen = false; }
}
// Handles the Click event on the Button on the page and opens the Popup.
private void ShowPopupClicked(object sender, RoutedEventArgs e)
{
// Open the Popup if it isn't open already.
if (!mediaPlayerPopup.IsOpen) { mediaPlayerPopup.IsOpen = true; }
}
Remarks
Tip
For more info, design guidance, and code examples, see Media playback.
For info about the media formats that MediaPlayerElement supports, see Supported codecs.
Architectural overview
MediaPlayerElement is a lightweight XAML control that serves as a rendering surface for the robust MediaPlayer class, which is part of the Windows.Media.Playback namespace. The majority of the media functionality is located on the underlying MediaPlayer class, which you can access through the MediaPlayerElement.MediaPlayer property.
For more information about the MediaPlayer class, including guidelines on how to transition from MediaElement to MediaPlayerElement, see the Media playback page.
Set the media source
Set the Source property of the MediaPlayerElement to point to an audio or video file. You can set it to a MediaSource, MediaPlaybackItem, or MediaPlaybackList. The media files can be included with the app package or be on a network.
By default, the media that is defined by the Source property does not immediately play after the MediaPlayerElement object has loaded. To start media playback automatically, set the AutoPlay property to true.
Here's how to create a MediaPlayerElement in XAML with the Source set to the path of a video file that is included in the app and the AutoPlay property explicitly set to true.
<MediaPlayerElement Source="ms-appx:///Media/video1.mp4" AutoPlay="True"/>
Here’s how to create the MediaPlayerElement in code.
MediaPlayerElement mediaPlayerElement1 = new MediaPlayerElement();
mediaPlayerElement1.Source = MediaSource.CreateFromUri(new Uri("ms-appx:///Media/video1.mp4"));
mediaPlayerElement1.AutoPlay = true;
Set the underlying media player
When the Source property or AutoPlay property is set on MediaPlayerElement, it will automatically create an underlying MediaPlayer if one doesn't already exist. Alternatively, you can create your own MediaPlayer and set it on MediaPlayerElement using the SetMediaPlayer method. Here's an example of how to set the underlying MediaPlayer in code.
<MediaPlayerElement x:Name="mpe"/>
MediaPlayer mediaPlayer = new MediaPlayer();
mpe.SetMediaPlayer(mediaPlayer);
mpe.Source = MediaSource.CreateFromUri(new Uri("ms-appx:///Media/video1.mp4"));
mpe.AutoPlay = true;
Note
Setting MediaPlayerElement properties will set the corresponding properties on its underlying MediaPlayer. You have the option to use the underlying MediaPlayer directly instead of using MediaPlayerElement properties. Be aware that using MediaPlayer directly where an equivalent MediaPlayerElement property could otherwise be used can cause unexpected behavior. This is because the MediaPlayerElement is not aware of everything happening to its underlying MediaPlayer. For example, if you set the source directly on MediaPlayer, then MediaPlayerElement's Source property will not reflect the change. For this reason, you must be consistent in using MediaPlayerElement properties or directly using the underlying MediaPlayer. This documentation will use MediaPlayerElement properties whenever possible.
Detach the underlying media player
The MediaPlayer is detached from MediaPlayerElement when the MediaPlayerElement is destroyed or when a new MediaPlayer is set using SetMediaPlayer. When detached, MediaPlayerElement treats the underlying MediaPlayer differently depending on whether it was created by MediaPlayerElement or set using SetMediaPlayer.
If the MediaPlayer was created by MediaPlayerElement, it will properly Close the MediaPlayer for you.
If the MediaPlayer was set on MediaPlayerElement using SetMediaPlayer, you are responsible for ensuring the MediaPlayer is properly closed. Failing to do so may result in fatal playback errors in MediaPlayer. Here's how to properly detach and Close MediaPlayer in code.
<MediaPlayerElement x:Name="mpe"/>
MediaPlayer mediaPlayer = mpe.MediaPlayer;
IMediaPlaybackSource source = mpe.Source;
// 1. Pause playback if able.
if (mediaPlayer.PlaybackSession.CanPause)
{
mediaPlayer.Pause();
}
// 2. Disconnect the MediaPlayer from its source. This can be done by setting
// the MediaPlayerElement Source property to null or by directly setting the
// source to null on the underlying MediaPlayer.
mpe.Source = null;
// 3. Disconnect the MediaPlayer from MediaPlayerElement.
mpe.SetMediaPlayer(null);
// 4. Dispose of the MediaPlayer or Source if they're no longer needed.
if (source is MediaSource mediaSource)
{
mediaSource.Dispose();
}
mediaPlayer.Dispose();
Handle media events
You can respond to common media events located on the underlying MediaPlayer such as MediaOpened, MediaEnded, and MediaFailed. If you have set the source to a MediaPlaybackItem or MediaPlaybackList, you should respond to the media events on those classes instead as they provide more information.
Transport controls
Set the AreTransportControlsEnabled property to programmatically enable and disable the built in transport controls for the MediaPlayerElement. The built in transport controls provide UI for playing, stopping, pausing, and seeking the media as well as UI for volume, mute, full window, track selection, closed captions and remaining time.
You can create your own media transport controls by setting AreTransportControlsEnabled to false, and using the Play and Pause methods on MediaPlayer. You can also control a rich set of properties by using the underlying MediaPlayer such as Position, Volume, IsMuted, IsLoopingEnabled, and PlaybackRate.
Tip
For better performance, avoid data binding to the Position property to reflect frequent position updates (for example with a progress bar). Instead, use the DispatcherTimer to query the Position property.
For more info and examples, see Create custom transport controls.
Full window playback
Use the IsFullWindow property to enable and disable full window rendering. When in full-window mode the display is automatically prevented from being deactivated when user action is no longer detected.
Note
We recommend that you not use MediaPlayerElement in a Popup control. If a MediaPlayerElement hosted in a Popup is switched to full-window mode, the Popup is rendered on top of the MediaPlayerElement. If you must use a MediaPlayerElement in a Popup, you should collapse the Popup when the MediaPlayerElement enters full-window mode, and restore the Popup when the MediaPlayerElement exits full-window mode. Use DependencyProperty.RegisterPropertyChangedCallback to be notified when the MediaPlayerElement.IsFullWindow property changes. For an example, see the Examples section.
Keep media playing
To prevent the display from being deactivated when MediaPlayerElement is not in full-window mode, you can call DisplayRequest.RequestActive. To conserve power and battery life, you should call DisplayRequest.RequestRelease to release the display request as soon as it is no longer required.
Here are some situations when you should release the display request:
- Video playback is paused, for example by user action, buffering, or adjustment due to limited bandwidth.
- Playback stops. For example, the video is done playing or the presentation is over.
- A playback error has occurred. For example, network connectivity issues or a corrupted file.
Here, you use the PlaybackStateChanged event to detect these situations. Then, use the NaturalVideoHeight property of the MediaPlayer.PlaybackSession to determine whether an audio or video file is playing, and keep the screen active only if video is playing.
<MediaPlayerElement x:Name="mpe" Source="ms-appx:///Media/video1.mp4"/>
// Create this variable at a global scope. Set it to null.
private DisplayRequest appDisplayRequest = null;
protected override void OnNavigatedTo(NavigationEventArgs e)
{
mpe.MediaPlayer.PlaybackSession.PlaybackStateChanged += MediaPlayerElement_CurrentStateChanged;
base.OnNavigatedTo(e);
}
private void MediaPlayerElement_CurrentStateChanged(MediaPlaybackSession sender, object args)
{
MediaPlaybackSession playbackSession = sender as MediaPlaybackSession;
if (playbackSession != null && playbackSession.NaturalVideoHeight != 0)
{
if(playbackSession.PlaybackState == MediaPlaybackState.Playing)
{
if(appDisplayRequest == null)
{
// This call creates an instance of the DisplayRequest object
appDisplayRequest = new DisplayRequest();
appDisplayRequest.RequestActive();
}
}
else // PlaybackState is Buffering, None, Opening, or Paused.
{
if(appDisplayRequest != null)
{
// Deactivate the display request and set the var to null.
appDisplayRequest.RequestRelease();
appDisplayRequest = null;
}
}
}
}
Poster source
You can use the PosterSource property to provide your MediaPlayerElement with a visual representation before the media is loaded or while audio-only media is playing. . A PosterSource is an image, such as a screen shot, movie poster, or album cover, that is displayed in place of the media. The PosterSource is displayed in the following situations:
- When a valid source is not set. For example, Source is not set, Source was set to Null, or the source is invalid (as is the case when a MediaFailed event fires).
- While media is loading. For example, a valid source is set, but the MediaOpened event has not fired yet.
- When media is streaming to another device.
- When the media is audio only.
Constructors
| MediaPlayerElement() |
Initializes a new instance of the MediaPlayerElement class. |
Properties
| AccessKey |
Gets or sets the access key (mnemonic) for this element. (Inherited from UIElement) |
| AccessKeyScopeOwner |
Gets or sets a source element that provides the access key scope for this element, even if it's not in the visual tree of the source element. (Inherited from UIElement) |
| ActualHeight |
Gets the rendered height of a FrameworkElement. See Remarks. (Inherited from FrameworkElement) |
| ActualOffset |
Gets the position of this UIElement, relative to its parent, computed during the arrange pass of the layout process. (Inherited from UIElement) |
| ActualSize |
Gets the size that this UIElement computed during the arrange pass of the layout process. (Inherited from UIElement) |
| ActualTheme |
Gets the UI theme that is currently used by the element, which might be different than the RequestedTheme. (Inherited from FrameworkElement) |
| ActualWidth |
Gets the rendered width of a FrameworkElement. See Remarks. (Inherited from FrameworkElement) |
| AllowDrop |
Gets or sets a value that determines whether this UIElement can be a drop target for purposes of drag-and-drop operations. (Inherited from UIElement) |
| AllowFocusOnInteraction |
Gets or sets a value that indicates whether the element automatically gets focus when the user interacts with it. (Inherited from FrameworkElement) |
| AllowFocusWhenDisabled |
Gets or sets whether a disabled control can receive focus. (Inherited from FrameworkElement) |
| AreTransportControlsEnabled |
Gets or sets a value that determines whether the standard transport controls are enabled. |
| AreTransportControlsEnabledProperty |
Identifies the AreTransportControlsEnabled dependency property. |
| AutoPlay |
Gets or sets a value that indicates whether media will begin playback automatically when the Source property is set. |
| AutoPlayProperty |
Identifies the AutoPlay dependency property. |
| Background |
Gets or sets a brush that provides the background of the control. (Inherited from Control) |
| BackgroundSizing |
Gets or sets a value that indicates how far the background extends in relation to this element's border. (Inherited from Control) |
| BaseUri |
Gets a Uniform Resource Identifier (URI) that represents the base Uniform Resource Identifier (URI) for an XAML-constructed object at XAML load time. This property is useful for Uniform Resource Identifier (URI) resolution at run time. (Inherited from FrameworkElement) |
| BorderBrush |
Gets or sets a brush that describes the border fill of a control. (Inherited from Control) |
| BorderThickness |
Gets or sets the border thickness of a control. (Inherited from Control) |
| CacheMode |
Gets or sets a value that indicates that rendered content should be cached as a composited bitmap when possible. (Inherited from UIElement) |
| CanBeScrollAnchor |
Gets or sets a value that indicates whether the UIElement can be a candidate for scroll anchoring. (Inherited from UIElement) |
| CanDrag |
Gets or sets a value that indicates whether the element can be dragged as data in a drag-and-drop operation. (Inherited from UIElement) |
| CenterPoint |
Gets or sets the center point of the element, which is the point about which rotation or scaling occurs. Affects the rendering position of the element. (Inherited from UIElement) |
| CharacterSpacing |
Gets or sets the uniform spacing between characters, in units of 1/1000 of an em. (Inherited from Control) |
| Clip |
Gets or sets the RectangleGeometry used to define the outline of the contents of a UIElement. (Inherited from UIElement) |
| CompositeMode |
Gets or sets a property that declares alternate composition and blending modes for the element in its parent layout and window. This is relevant for elements that are involved in a mixed XAML / Microsoft DirectX UI. (Inherited from UIElement) |
| ContextFlyout |
Gets or sets the flyout associated with this element. (Inherited from UIElement) |
| CornerRadius |
Gets or sets the radius for the corners of the control's border. (Inherited from Control) |
| DataContext |
Gets or sets the data context for a FrameworkElement. A common use of a data context is when a FrameworkElement uses the {Binding} markup extension and participates in data binding. (Inherited from FrameworkElement) |
| DefaultStyleKey |
Gets or sets the key that references the default style for the control. Authors of custom controls use this property to change the default for the style that their control uses. (Inherited from Control) |
| DefaultStyleResourceUri |
Gets or sets the path to the resource file that contains the default style for the control. (Inherited from Control) |
| DesiredSize |
Gets the size that this UIElement computed during the measure pass of the layout process. (Inherited from UIElement) |
| Dispatcher |
Gets the CoreDispatcher that this object is associated with. The CoreDispatcher represents a facility that can access the DependencyObject on the UI thread even if the code is initiated by a non-UI thread. (Inherited from DependencyObject) |
| ElementSoundMode |
Get or sets a value that specifies a control's preference for whether sounds are played. (Inherited from Control) |
| ExitDisplayModeOnAccessKeyInvoked |
Gets or sets a value that specifies whether the access key display is dismissed when an access key is invoked. (Inherited from UIElement) |
| FlowDirection |
Gets or sets the direction in which text and other UI elements flow within any parent element that controls their layout. This property can be set to either LeftToRight or RightToLeft. Setting FlowDirection to RightToLeft on any element sets the alignment to the right, the reading order to right-to-left and the layout of the control to flow from right to left. (Inherited from FrameworkElement) |
| FocusState |
Gets a value that specifies whether this control has focus, and the mode by which focus was obtained. (Inherited from Control) |
| FocusVisualMargin |
Gets or sets the outer margin of the focus visual for a FrameworkElement. (Inherited from FrameworkElement) |
| FocusVisualPrimaryBrush |
Gets or sets the brush used to draw the outer border of a |
| FocusVisualPrimaryThickness |
Gets or sets the thickness of the outer border of a |
| FocusVisualSecondaryBrush |
Gets or sets the brush used to draw the inner border of a |
| FocusVisualSecondaryThickness |
Gets or sets the thickness of the inner border of a |
| FontFamily |
Gets or sets the font used to display text in the control. (Inherited from Control) |
| FontSize |
Gets or sets the size of the text in this control. (Inherited from Control) |
| FontStretch |
Gets or sets the degree to which a font is condensed or expanded on the screen. (Inherited from Control) |
| FontStyle |
Gets or sets the style in which the text is rendered. (Inherited from Control) |
| FontWeight |
Gets or sets the thickness of the specified font. (Inherited from Control) |
| Foreground |
Gets or sets a brush that describes the foreground color. (Inherited from Control) |
| Height |
Gets or sets the suggested height of a FrameworkElement. (Inherited from FrameworkElement) |
| HighContrastAdjustment |
Gets or sets a value that indicates whether the framework automatically adjusts the element's visual properties when high contrast themes are enabled. (Inherited from UIElement) |
| HorizontalAlignment |
Gets or sets the horizontal alignment characteristics that are applied to a FrameworkElement when it is composed in a layout parent, such as a panel or items control. (Inherited from FrameworkElement) |
| HorizontalContentAlignment |
Gets or sets the horizontal alignment of the control's content. (Inherited from Control) |
| IsAccessKeyScope |
Gets or sets a value that indicates whether an element defines its own access key scope. (Inherited from UIElement) |
| IsDoubleTapEnabled |
Gets or sets a value that determines whether the DoubleTapped event can originate from that element. (Inherited from UIElement) |
| IsEnabled |
Gets or sets a value indicating whether the user can interact with the control. (Inherited from Control) |
| IsFocusEngaged |
Get or sets a value that indicates whether focus is constrained within the control boundaries (for game pad/remote interaction). (Inherited from Control) |
| IsFocusEngagementEnabled |
Get or sets a value that indicates whether focus can be constrained within the control boundaries (for game pad/remote interaction). (Inherited from Control) |
| IsFullWindow |
Gets or sets a value that specifies if the MediaPlayerElement is rendering in full window mode. |
| IsFullWindowProperty |
Identifies the IsFullWindow dependency property. |
| IsHitTestVisible |
Gets or sets whether the contained area of this UIElement can return true values for hit testing. (Inherited from UIElement) |
| IsHoldingEnabled |
Gets or sets a value that determines whether the Holding event can originate from that element. (Inherited from UIElement) |
| IsLoaded |
Gets a value that indicates whether the element has been added to the element tree and is ready for interaction. (Inherited from FrameworkElement) |
| IsRightTapEnabled |
Gets or sets a value that determines whether the RightTapped event can originate from that element. (Inherited from UIElement) |
| IsTabStop |
Gets or sets a value that indicates whether a control is included in tab navigation. (Inherited from Control) |
| IsTapEnabled |
Gets or sets a value that determines whether the Tapped event can originate from that element. (Inherited from UIElement) |
| IsTextScaleFactorEnabled |
Gets or sets whether automatic text enlargement, to reflect the system text size setting, is enabled. (Inherited from Control) |
| KeyboardAcceleratorPlacementMode |
Gets or sets a value that indicates whether the control tooltip displays the key combination for its associated keyboard accelerator. (Inherited from UIElement) |
| KeyboardAcceleratorPlacementTarget |
Gets or sets a value that indicates the control tooltip that displays the accelerator key combination. (Inherited from UIElement) |
| KeyboardAccelerators |
Gets the collection of key combinations that invoke an action using the keyboard. Accelerators are typically assigned to buttons or menu items.
|
| KeyTipHorizontalOffset |
Gets or sets a value that indicates how far left or right the Key Tip is placed in relation to the UIElement. (Inherited from UIElement) |
| KeyTipPlacementMode |
Gets or sets a value that indicates where the access key Key Tip is placed in relation to the boundary of the UIElement. (Inherited from UIElement) |
| KeyTipTarget |
Gets or sets a value that indicates the element targeted by the access key Key Tip. (Inherited from UIElement) |
| KeyTipVerticalOffset |
Gets or sets a value that indicates how far up or down the Key Tip is placed in relation to the UI element. (Inherited from UIElement) |
| Language |
Gets or sets localization/globalization language information that applies to a FrameworkElement, and also to all child elements of the current FrameworkElement in the object representation and in UI. (Inherited from FrameworkElement) |
| Lights |
Gets the collection of XamlLight objects attached to this element. (Inherited from UIElement) |
| ManipulationMode |
Gets or sets the ManipulationModes value used for UIElement behavior and interaction with gestures. Setting this value enables handling the manipulation events from this element in app code. (Inherited from UIElement) |
| Margin |
Gets or sets the outer margin of a FrameworkElement. (Inherited from FrameworkElement) |
| MaxHeight |
Gets or sets the maximum height constraint of a FrameworkElement. (Inherited from FrameworkElement) |
| MaxWidth |
Gets or sets the maximum width constraint of a FrameworkElement. (Inherited from FrameworkElement) |
| MediaPlayer |
Gets the MediaPlayer instance used to render media. |
| MediaPlayerProperty |
Identifies the MediaPlayer dependency property. |
| MinHeight |
Gets or sets the minimum height constraint of a FrameworkElement. (Inherited from FrameworkElement) |
| MinWidth |
Gets or sets the minimum width constraint of a FrameworkElement. (Inherited from FrameworkElement) |
| Name |
Gets or sets the identifying name of the object. When a XAML processor creates the object tree from XAML markup, run-time code can refer to the XAML-declared object by this name. (Inherited from FrameworkElement) |
| Opacity |
Gets or sets the degree of the object's opacity. (Inherited from UIElement) |
| OpacityTransition |
Gets or sets the ScalarTransition that animates changes to the Opacity property. (Inherited from UIElement) |
| Padding |
Gets or sets the padding inside a control. (Inherited from Control) |
| Parent |
Gets the parent object of this FrameworkElement in the object tree. (Inherited from FrameworkElement) |
| PointerCaptures |
Gets the set of all captured pointers, represented as Pointer values. (Inherited from UIElement) |
| PosterSource |
Gets or sets the image source that is used for a placeholder image during MediaPlayerElement loading transition states. |
| PosterSourceProperty |
Identifies the PosterSource dependency property. |
| Projection |
Gets or sets the perspective projection (3-D effect) to apply when rendering this element. (Inherited from UIElement) |
| RenderSize |
Gets the final render size of a UIElement. Use is not recommended, see Remarks. (Inherited from UIElement) |
| RenderTransform |
Gets or sets transform information that affects the rendering position of a UIElement. (Inherited from UIElement) |
| RenderTransformOrigin |
Gets or sets the origin point of any possible render transform declared by RenderTransform, relative to the bounds of the UIElement. (Inherited from UIElement) |
| RequestedTheme |
Gets or sets the UI theme that is used by the UIElement (and its child elements) for resource determination. The UI theme you specify with RequestedTheme can override the app-level RequestedTheme. (Inherited from FrameworkElement) |
| RequiresPointer |
Gets or sets whether a UI element supports mouse mode, which emulates pointer interaction experiences with non-pointer input devices such as an game pad or remote control. (Inherited from Control) |
| Resources |
Gets the locally defined resource dictionary. In XAML, you can establish resource items as child object elements of a |
| Rotation |
Gets or sets the angle of clockwise rotation, in degrees. Rotates relative to the RotationAxis and the CenterPoint. Affects the rendering position of the element. (Inherited from UIElement) |
| RotationAxis |
Gets or sets the axis to rotate the element around. (Inherited from UIElement) |
| RotationTransition |
Gets or sets the ScalarTransition that animates changes to the Rotation property. (Inherited from UIElement) |
| Scale |
Gets or sets the scale of the element. Scales relative to the element's CenterPoint. Affects the rendering position of the element. (Inherited from UIElement) |
| ScaleTransition |
Gets or sets the Vector3Transition that animates changes to the Scale property. (Inherited from UIElement) |
| Shadow |
Gets or sets the shadow effect cast by the element. (Inherited from UIElement) |
| Source |
Gets or sets a media source on the MediaPlayerElement. |
| SourceProperty |
Identifies the Source dependency property. |
| Stretch |
Gets or sets a value that describes how an MediaPlayerElement should be stretched to fill the destination rectangle. |
| StretchProperty |
Identifies the Stretch dependency property. |
| Style |
Gets or sets an instance Style that is applied for this object during layout and rendering. (Inherited from FrameworkElement) |
| TabFocusNavigation |
Gets or sets a value that modifies how tabbing and TabIndex work for this control. (Inherited from UIElement) |
| TabIndex |
Gets or sets a value that indicates the order in which elements receive focus when the user navigates through the app UI using the Tab key. (Inherited from Control) |
| TabNavigation |
Gets or sets a value that modifies how tabbing and TabIndex work for this control. Note For Windows 10 Creators Update (build 10.0.15063) and newer, the TabFocusNavigation property is available on the UIElement base class to include objects in the tab sequence that do not use a ControlTemplate. |
| Tag |
Gets or sets an arbitrary object value that can be used to store custom information about this object. (Inherited from FrameworkElement) |
| Template |
Gets or sets a control template. The control template defines the visual appearance of a control in UI, and is defined in XAML markup. (Inherited from Control) |
| Transform3D |
Gets or sets the 3-D transform effect to apply when rendering this element. (Inherited from UIElement) |
| TransformMatrix |
Gets or sets the transformation matrix to apply to the element. (Inherited from UIElement) |
| Transitions |
Gets or sets the collection of Transition style elements that apply to a UIElement. (Inherited from UIElement) |
| Translation |
Gets or sets the x, y, and z rendering position of the element. (Inherited from UIElement) |
| TranslationTransition |
Gets or sets the Vector3Transition that animates changes to the Translation property. (Inherited from UIElement) |
| TransportControls |
Gets or sets the transport controls for the media. |
| Triggers |
Gets the collection of triggers for animations that are defined for a FrameworkElement. Not commonly used. See Remarks. (Inherited from FrameworkElement) |
| UIContext |
Gets the context identifier for the element. (Inherited from UIElement) |
| UseLayoutRounding |
Gets or sets a value that determines whether rendering for the object and its visual subtree should use rounding behavior that aligns rendering to whole pixels. (Inherited from UIElement) |
| UseSystemFocusVisuals |
Gets or sets a value that indicates whether the control uses focus visuals that are drawn by the system or those defined in the control template. (Inherited from Control) |
| VerticalAlignment |
Gets or sets the vertical alignment characteristics that are applied to a FrameworkElement when it is composed in a parent object such as a panel or items control. (Inherited from FrameworkElement) |
| VerticalContentAlignment |
Gets or sets the vertical alignment of the control's content. (Inherited from Control) |
| Visibility |
Gets or sets the visibility of a UIElement. A UIElement that is not visible is not rendered and does not communicate its desired size to layout. (Inherited from UIElement) |
| Width |
Gets or sets the width of a FrameworkElement. (Inherited from FrameworkElement) |
| XamlRoot |
Gets or sets the |
| XYFocusDown |
Gets or sets the object that gets focus when a user presses the Directional Pad (D-pad) down. (Inherited from Control) |
| XYFocusDownNavigationStrategy |
Gets or sets a value that specifies the strategy used to determine the target element of a down navigation. (Inherited from UIElement) |
| XYFocusKeyboardNavigation |
Gets or sets a value that enables or disables navigation using the keyboard directional arrows. (Inherited from UIElement) |
| XYFocusLeft |
Gets or sets the object that gets focus when a user presses the Directional Pad (D-pad) left. (Inherited from Control) |
| XYFocusLeftNavigationStrategy |
Gets or sets a value that specifies the strategy used to determine the target element of a left navigation. (Inherited from UIElement) |
| XYFocusRight |
Gets or sets the object that gets focus when a user presses the Directional Pad (D-pad) right. (Inherited from Control) |
| XYFocusRightNavigationStrategy |
Gets or sets a value that specifies the strategy used to determine the target element of a right navigation. (Inherited from UIElement) |
| XYFocusUp |
Gets or sets the object that gets focus when a user presses the Directional Pad (D-pad) up. (Inherited from Control) |
| XYFocusUpNavigationStrategy |
Gets or sets a value that specifies the strategy used to determine the target element of an up navigation. (Inherited from UIElement) |
Methods
| AddHandler(RoutedEvent, Object, Boolean) |
Adds a routed event handler for a specified routed event, adding the handler to the handler collection on the current element. Specify handledEventsToo as true to have the provided handler be invoked even if the event is handled elsewhere. (Inherited from UIElement) |
| ApplyTemplate() |
Loads the relevant control template so that its parts can be referenced. (Inherited from Control) |
| Arrange(Rect) |
Positions child objects and determines a size for a UIElement. Parent objects that implement custom layout for their child elements should call this method from their layout override implementations to form a recursive layout update. (Inherited from UIElement) |
| ArrangeOverride(Size) |
Provides the behavior for the "Arrange" pass of layout. Classes can override this method to define their own "Arrange" pass behavior. (Inherited from FrameworkElement) |
| CancelDirectManipulations() |
Cancels ongoing direct manipulation processing (system-defined panning/zooming) on any ScrollViewer parent that contains the current UIElement. (Inherited from UIElement) |
| CapturePointer(Pointer) |
Sets pointer capture to a UIElement. Once captured, only the element that has capture will fire pointer-related events. (Inherited from UIElement) |
| ClearValue(DependencyProperty) |
Clears the local value of a dependency property. (Inherited from DependencyObject) |
| FindName(String) |
Retrieves an object that has the specified identifier name. (Inherited from FrameworkElement) |
| FindSubElementsForTouchTargeting(Point, Rect) |
Enables a UIElement subclass to expose child elements that assist with resolving touch targeting. (Inherited from UIElement) |
| Focus(FocusState) |
Attempts to set the focus on the control. (Inherited from Control) |
| GetAnimationBaseValue(DependencyProperty) |
Returns any base value established for a dependency property, which would apply in cases where an animation is not active. (Inherited from DependencyObject) |
| GetBindingExpression(DependencyProperty) |
Returns the BindingExpression that represents the binding on the specified property. (Inherited from FrameworkElement) |
| GetChildrenInTabFocusOrder() |
Enables a UIElement subclass to expose child elements that take part in Tab focus. (Inherited from UIElement) |
| GetTemplateChild(String) |
Retrieves the named element in the instantiated ControlTemplate visual tree. (Inherited from Control) |
| GetValue(DependencyProperty) |
Returns the current effective value of a dependency property from a DependencyObject. (Inherited from DependencyObject) |
| GoToElementStateCore(String, Boolean) |
When implemented in a derived class, enables per-state construction of a visual tree for a control template in code, rather than by loading XAML for all states at control startup. (Inherited from FrameworkElement) |
| InvalidateArrange() |
Invalidates the arrange state (layout) for a UIElement. After the invalidation, the UIElement will have its layout updated, which will occur asynchronously. (Inherited from UIElement) |
| InvalidateMeasure() |
Invalidates the measurement state (layout) for a UIElement. (Inherited from UIElement) |
| InvalidateViewport() |
Invalidates the viewport state for a UIElement that is used to calculate the effective viewport. (Inherited from FrameworkElement) |
| Measure(Size) |
Updates the DesiredSize of a UIElement. Typically, objects that implement custom layout for their layout children call this method from their own MeasureOverride implementations to form a recursive layout update. (Inherited from UIElement) |
| MeasureOverride(Size) |
Provides the behavior for the "Measure" pass of the layout cycle. Classes can override this method to define their own "Measure" pass behavior. (Inherited from FrameworkElement) |
| OnApplyTemplate() |
Invoked whenever application code or internal processes (such as a rebuilding layout pass) call ApplyTemplate. In simplest terms, this means the method is called just before a UI element displays in your app. Override this method to influence the default post-template logic of a class. (Inherited from FrameworkElement) |
| OnBringIntoViewRequested(BringIntoViewRequestedEventArgs) |
Called before the BringIntoViewRequested event occurs. (Inherited from UIElement) |
| OnCharacterReceived(CharacterReceivedRoutedEventArgs) |
Called before the CharacterReceived event occurs. (Inherited from Control) |
| OnCreateAutomationPeer() |
When implemented in a derived class, returns class-specific AutomationPeer implementations for the Microsoft UI Automation infrastructure. (Inherited from UIElement) |
| OnDisconnectVisualChildren() |
Override this method to implement how layout and logic should behave when items are removed from a class-specific content or children property. (Inherited from UIElement) |
| OnDoubleTapped(DoubleTappedRoutedEventArgs) |
Called before the DoubleTapped event occurs. (Inherited from Control) |
| OnDragEnter(DragEventArgs) |
Called before the DragEnter event occurs. (Inherited from Control) |
| OnDragLeave(DragEventArgs) |
Called before the DragLeave event occurs. (Inherited from Control) |
| OnDragOver(DragEventArgs) |
Called before the DragOver event occurs. (Inherited from Control) |
| OnDrop(DragEventArgs) |
Called before the Drop event occurs. (Inherited from Control) |
| OnGotFocus(RoutedEventArgs) |
Called before the GotFocus event occurs. (Inherited from Control) |
| OnHolding(HoldingRoutedEventArgs) |
Called before the Holding event occurs. (Inherited from Control) |
| OnKeyboardAcceleratorInvoked(KeyboardAcceleratorInvokedEventArgs) |
Called when a keyboard shortcut (or accelerator) is processed in your app. Override this method to handle how your app responds when a keyboard accelerator is invoked. (Inherited from UIElement) |
| OnKeyDown(KeyRoutedEventArgs) |
Called before the KeyDown event occurs. (Inherited from Control) |
| OnKeyUp(KeyRoutedEventArgs) |
Called before the KeyUp event occurs. (Inherited from Control) |
| OnLostFocus(RoutedEventArgs) |
Called before the LostFocus event occurs. (Inherited from Control) |
| OnManipulationCompleted(ManipulationCompletedRoutedEventArgs) |
Called before the ManipulationCompleted event occurs. (Inherited from Control) |
| OnManipulationDelta(ManipulationDeltaRoutedEventArgs) |
Called before the ManipulationDelta event occurs. (Inherited from Control) |
| OnManipulationInertiaStarting(ManipulationInertiaStartingRoutedEventArgs) |
Called before the ManipulationInertiaStarting event occurs. (Inherited from Control) |
| OnManipulationStarted(ManipulationStartedRoutedEventArgs) |
Called before the ManipulationStarted event occurs. (Inherited from Control) |
| OnManipulationStarting(ManipulationStartingRoutedEventArgs) |
Called before the ManipulationStarting event occurs. (Inherited from Control) |
| OnPointerCanceled(PointerRoutedEventArgs) |
Called before the PointerCanceled event occurs. (Inherited from Control) |
| OnPointerCaptureLost(PointerRoutedEventArgs) |
Called before the PointerCaptureLost event occurs. (Inherited from Control) |
| OnPointerEntered(PointerRoutedEventArgs) |
Called before the PointerEntered event occurs. (Inherited from Control) |
| OnPointerExited(PointerRoutedEventArgs) |
Called before the PointerExited event occurs. (Inherited from Control) |
| OnPointerMoved(PointerRoutedEventArgs) |
Called before the PointerMoved event occurs. (Inherited from Control) |
| OnPointerPressed(PointerRoutedEventArgs) |
Called before the PointerPressed event occurs. (Inherited from Control) |
| OnPointerReleased(PointerRoutedEventArgs) |
Called before the PointerReleased event occurs. (Inherited from Control) |
| OnPointerWheelChanged(PointerRoutedEventArgs) |
Called before the PointerWheelChanged event occurs. (Inherited from Control) |
| OnPreviewKeyDown(KeyRoutedEventArgs) |
Called before the PreviewKeyDown event occurs. (Inherited from Control) |
| OnPreviewKeyUp(KeyRoutedEventArgs) |
Called before the PreviewKeyUp event occurs. (Inherited from Control) |
| OnProcessKeyboardAccelerators(ProcessKeyboardAcceleratorEventArgs) |
Called just before a keyboard shortcut (or accelerator) is processed in your app. Invoked whenever application code or internal processes call ProcessKeyboardAccelerators. Override this method to influence the default accelerator handling. (Inherited from UIElement) |
| OnRightTapped(RightTappedRoutedEventArgs) |
Called before the RightTapped event occurs. (Inherited from Control) |
| OnTapped(TappedRoutedEventArgs) |
Called before the Tapped event occurs. (Inherited from Control) |
| PopulatePropertyInfo(String, AnimationPropertyInfo) |
Defines a property that can be animated. (Inherited from UIElement) |
| PopulatePropertyInfoOverride(String, AnimationPropertyInfo) |
When overridden in a derived class, defines a property that can be animated. (Inherited from UIElement) |
| ReadLocalValue(DependencyProperty) |
Returns the local value of a dependency property, if a local value is set. (Inherited from DependencyObject) |
| RegisterPropertyChangedCallback(DependencyProperty, DependencyPropertyChangedCallback) |
Registers a notification function for listening to changes to a specific DependencyProperty on this DependencyObject instance. (Inherited from DependencyObject) |
| ReleasePointerCapture(Pointer) |
Releases pointer captures for capture of one specific pointer by this UIElement. (Inherited from UIElement) |
| ReleasePointerCaptures() |
Releases all pointer captures held by this element. (Inherited from UIElement) |
| RemoveFocusEngagement() |
Releases focus from the control boundaries for a control that has focus engagement (for game pad/remote interaction). (Inherited from Control) |
| RemoveHandler(RoutedEvent, Object) |
Removes the specified routed event handler from this UIElement. Typically the handler in question was added by AddHandler. (Inherited from UIElement) |
| SetBinding(DependencyProperty, BindingBase) |
Attaches a binding to a FrameworkElement, using the provided binding object. (Inherited from FrameworkElement) |
| SetMediaPlayer(MediaPlayer) |
Sets the MediaPlayer instance used to render media. |
| SetValue(DependencyProperty, Object) |
Sets the local value of a dependency property on a DependencyObject. (Inherited from DependencyObject) |
| StartAnimation(ICompositionAnimationBase) |
Begins the specified animation on the element. (Inherited from UIElement) |
| StartBringIntoView() |
Initiates a request to the XAML framework to bring the element into view within any scrollable regions it is contained within. (Inherited from UIElement) |
| StartBringIntoView(BringIntoViewOptions) |
Initiates a request to the XAML framework to bring the element into view using the specified options. (Inherited from UIElement) |
| StartDragAsync(PointerPoint) |
Initiates a drag-and-drop operation. (Inherited from UIElement) |
| StopAnimation(ICompositionAnimationBase) |
Stops the specified animation on the element. (Inherited from UIElement) |
| TransformToVisual(UIElement) |
Returns a transform object that can be used to transform coordinates from the UIElement to the specified object. (Inherited from UIElement) |
| TryInvokeKeyboardAccelerator(ProcessKeyboardAcceleratorEventArgs) |
Attempts to invoke a keyboard shortcut (or accelerator) by searching the entire visual tree of the UIElement for the shortcut. (Inherited from UIElement) |
| UnregisterPropertyChangedCallback(DependencyProperty, Int64) |
Cancels a change notification that was previously registered by calling RegisterPropertyChangedCallback. (Inherited from DependencyObject) |
| UpdateLayout() |
Ensures that all positions of child objects of a UIElement are properly updated for layout. (Inherited from UIElement) |
Events
| AccessKeyDisplayDismissed |
Occurs when access keys should no longer be displayed. (Inherited from UIElement) |
| AccessKeyDisplayRequested |
Occurs when the user requests that access keys be displayed. (Inherited from UIElement) |
| AccessKeyInvoked |
Occurs when a user completes an access key sequence. (Inherited from UIElement) |
| ActualThemeChanged |
Occurs when the ActualTheme property value has changed. (Inherited from FrameworkElement) |
| BringIntoViewRequested |
Occurs when StartBringIntoView is called on this element or one of its descendants. (Inherited from UIElement) |
| CharacterReceived |
Occurs when a single, composed character is received by the input queue. (Inherited from UIElement) |
| ContextCanceled |
Occurs when a context input gesture continues into a manipulation gesture, to notify the element that the context flyout should not be opened. (Inherited from UIElement) |
| ContextRequested |
Occurs when the user has completed a context input gesture, such as a right-click. (Inherited from UIElement) |
| DataContextChanged |
Occurs when the value of the FrameworkElement.DataContext property changes. (Inherited from FrameworkElement) |
| DoubleTapped |
Occurs when an otherwise unhandled DoubleTap interaction occurs over the hit test area of this element. (Inherited from UIElement) |
| DragEnter |
Occurs when the input system reports an underlying drag event with this element as the target. (Inherited from UIElement) |
| DragLeave |
Occurs when the input system reports an underlying drag event with this element as the origin. (Inherited from UIElement) |
| DragOver |
Occurs when the input system reports an underlying drag event with this element as the potential drop target. (Inherited from UIElement) |
| DragStarting |
Occurs when a drag operation is initiated. (Inherited from UIElement) |
| Drop |
Occurs when the input system reports an underlying drop event with this element as the drop target. (Inherited from UIElement) |
| DropCompleted |
Occurs when a drag-and-drop operation with this element as the source is ended. (Inherited from UIElement) |
| EffectiveViewportChanged |
Occurs when the FrameworkElement's effective viewport changes. (Inherited from FrameworkElement) |
| FocusDisengaged |
Occurs when focus is released from the control boundaries (for game pad/remote interaction). (Inherited from Control) |
| FocusEngaged |
Occurs when focus is constrained within the control boundaries (for game pad/remote interaction). (Inherited from Control) |
| GettingFocus |
Occurs before a UIElement receives focus. This event is raised synchronously to ensure focus isn't moved while the event is bubbling. (Inherited from UIElement) |
| GotFocus |
Occurs when a UIElement receives focus. This event is raised asynchronously, so focus can move again before bubbling is complete. (Inherited from UIElement) |
| Holding |
Occurs when an otherwise unhandled Hold interaction occurs over the hit test area of this element. (Inherited from UIElement) |
| IsEnabledChanged |
Occurs when the IsEnabled property changes. (Inherited from Control) |
| KeyDown |
Occurs when a keyboard key is pressed while the UIElement has focus. (Inherited from UIElement) |
| KeyUp |
Occurs when a keyboard key is released while the UIElement has focus. (Inherited from UIElement) |
| LayoutUpdated |
Occurs when the layout of the visual tree changes, due to layout-relevant properties changing value or some other action that refreshes the layout. (Inherited from FrameworkElement) |
| Loaded |
Occurs when a FrameworkElement has been constructed and added to the object tree, and is ready for interaction. (Inherited from FrameworkElement) |
| Loading |
Occurs when a FrameworkElement begins to load. (Inherited from FrameworkElement) |
| LosingFocus |
Occurs before a UIElement loses focus. This event is raised synchronously to ensure focus isn't moved while the event is bubbling. (Inherited from UIElement) |
| LostFocus |
Occurs when a UIElement loses focus. This event is raised asynchronously, so focus can move again before bubbling is complete. (Inherited from UIElement) |
| ManipulationCompleted |
Occurs when a manipulation on the UIElement is complete. (Inherited from UIElement) |
| ManipulationDelta |
Occurs when the input device changes position during a manipulation. (Inherited from UIElement) |
| ManipulationInertiaStarting |
Occurs when the input device loses contact with the UIElement object during a manipulation and inertia begins. (Inherited from UIElement) |
| ManipulationStarted |
Occurs when an input device begins a manipulation on the UIElement. (Inherited from UIElement) |
| ManipulationStarting |
Occurs when the manipulation processor is first created. (Inherited from UIElement) |
| NoFocusCandidateFound |
Occurs when a user attempts to move focus (via tab or directional arrows), but focus doesn't move because no focus candidate is found in the direction of movement. (Inherited from UIElement) |
| PointerCanceled |
Occurs when a pointer that made contact abnormally loses contact. (Inherited from UIElement) |
| PointerCaptureLost |
Occurs when pointer capture previously held by this element moves to another element or elsewhere. (Inherited from UIElement) |
| PointerEntered |
Occurs when a pointer enters the hit test area of this element. (Inherited from UIElement) |
| PointerExited |
Occurs when a pointer leaves the hit test area of this element. (Inherited from UIElement) |
| PointerMoved |
Occurs when a pointer moves while the pointer remains within the hit test area of this element. (Inherited from UIElement) |
| PointerPressed |
Occurs when the pointer device initiates a Press action within this element. (Inherited from UIElement) |
| PointerReleased |
Occurs when the pointer device that previously initiated a Press action is released, while within this element. Note that the end of a Press action is not guaranteed to fire a PointerReleased event; other events may fire instead. For more info, see Remarks. (Inherited from UIElement) |
| PointerWheelChanged |
Occurs when the delta value of a pointer wheel changes. (Inherited from UIElement) |
| PreviewKeyDown |
Occurs when a keyboard key is pressed while the UIElement has focus. (Inherited from UIElement) |
| PreviewKeyUp |
Occurs when a keyboard key is released while the UIElement has focus. (Inherited from UIElement) |
| ProcessKeyboardAccelerators |
Occurs when a keyboard shortcut (or accelerator) is pressed. (Inherited from UIElement) |
| RightTapped |
Occurs when a right-tap input stimulus happens while the pointer is over the element. (Inherited from UIElement) |
| SizeChanged |
Occurs when either the ActualHeight or the ActualWidth property changes value on a FrameworkElement. (Inherited from FrameworkElement) |
| Tapped |
Occurs when an otherwise unhandled Tap interaction occurs over the hit test area of this element. (Inherited from UIElement) |
| Unloaded |
Occurs when this object is no longer connected to the main object tree. (Inherited from FrameworkElement) |