UILongPressGestureRecognizer Class
Definition
Important
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Gesture recognizer for long presses.
[Foundation.Register("UILongPressGestureRecognizer", true)]
public class UILongPressGestureRecognizer : UIKit.UIGestureRecognizertype UILongPressGestureRecognizer = class
inherit UIGestureRecognizer- Inheritance
- Attributes
Remarks
The long press gesture involves one or more (see NumberOfTouchesRequired) fingers to to press for a certain amount of time (see MinimumPressDuration). The fingers may not move more than AllowableMovement.
Constructors
| UILongPressGestureRecognizer() |
Default constructor that initializes a new instance of this class with no parameters. |
| UILongPressGestureRecognizer(Action) | |
| UILongPressGestureRecognizer(Action<UILongPressGestureRecognizer>) |
Constructs a gesture recognizer and provides a method to invoke when the gesture is recognized. |
| UILongPressGestureRecognizer(IntPtr) |
A constructor used when creating managed representations of unmanaged objects; Called by the runtime. |
| UILongPressGestureRecognizer(NSObject, Selector) | |
| UILongPressGestureRecognizer(NSObjectFlag) |
Constructor to call on derived classes to skip initialization and merely allocate the object. |
Properties
| AllowableMovement |
The maximum movement, in points, of the fingers before the gesture fails. |
| AllowedPressTypes |
An array of UIPressType that the gesture recognizer responds to. (Inherited from UIGestureRecognizer) |
| AllowedTouchTypes |
An array of UITouchType that the gesture recognizer responds to. (Inherited from UIGestureRecognizer) |
| CancelsTouchesInView |
Whether touches recognized as part of a gesture should be delivered to the underlying UIView. (Inherited from UIGestureRecognizer) |
| Class | (Inherited from NSObject) |
| ClassHandle |
The handle for this class. |
| DebugDescription |
A developer-meaningful description of this object. (Inherited from NSObject) |
| DelaysTouchesBegan |
Whether this UIGestureRecognizer should delay sending touches to the underlying UIVew during the gesture's begin phase. (Inherited from UIGestureRecognizer) |
| DelaysTouchesEnded |
Whether this UIGestureRecgonizer should delay sending touches to the underlying UIView during the gesture's end phase. (Inherited from UIGestureRecognizer) |
| Delegate |
An instance of the UIKit.IUIGestureRecognizerDelegate model class which acts as the class delegate. (Inherited from UIGestureRecognizer) |
| Description |
Description of the object, the Objective-C version of ToString. (Inherited from NSObject) |
| Enabled |
Whether the UIGestureRecognizer is enabled. (Inherited from UIGestureRecognizer) |
| Handle |
Handle (pointer) to the unmanaged object representation. (Inherited from NSObject) |
| IsDirectBinding | (Inherited from NSObject) |
| IsProxy | (Inherited from NSObject) |
| MinimumPressDuration |
The minimum time, in seconds, fingers must press for the gesture to be recognized. Default is 0.5. |
| Name |
Gets or set the name of the recognizer. (Inherited from UIGestureRecognizer) |
| NumberOfTapsRequired |
The number of taps in the view required for the gesture to be recognized. Default is 0. |
| NumberOfTouches |
The number of touches involved in the gesture. (Inherited from UIGestureRecognizer) |
| NumberOfTouchesRequired |
The number of fingers that must touch the view for the gesture to be recognized. Default is 1. |
| RequiresExclusiveTouchType |
Gets or sets whether the UIGestureRecognizer is only considering a single type of touch. (Inherited from UIGestureRecognizer) |
| RetainCount |
Returns the current Objective-C retain count for the object. (Inherited from NSObject) |
| Self | (Inherited from NSObject) |
| ShouldBegin |
Delegate invoked by the object to get a value. (Inherited from UIGestureRecognizer) |
| ShouldBeRequiredToFailBy |
Delegate invoked by the object to get a value. (Inherited from UIGestureRecognizer) |
| ShouldReceivePress |
Delegate invoked by the object to get a value. (Inherited from UIGestureRecognizer) |
| ShouldReceiveTouch |
Delegate invoked by the object to get a value. (Inherited from UIGestureRecognizer) |
| ShouldRecognizeSimultaneously |
Delegate invoked by the object to get a value. (Inherited from UIGestureRecognizer) |
| ShouldRequireFailureOf |
Delegate invoked by the object to get a value. (Inherited from UIGestureRecognizer) |
| State |
The current state of this UIGestureRecognizer. (Inherited from UIGestureRecognizer) |
| Superclass | (Inherited from NSObject) |
| SuperHandle |
Handle used to represent the methods in the base class for this NSObject. (Inherited from NSObject) |
| View |
The UIView to which this UIGestureRecognizer is attached. Read-only. (Inherited from UIGestureRecognizer) |
| WeakDelegate |
An object that can respond to the delegate protocol for this type (Inherited from UIGestureRecognizer) |
| Zone | (Inherited from NSObject) |
Methods
| AddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr) |
Registers an object for being observed externally (using NSString keyPath). Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method. (Inherited from NSObject) |
| AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr) |
Registers an object for being observed externally (using string keyPath). Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method. (Inherited from NSObject) |
| AddObserver(NSString, NSKeyValueObservingOptions, Action<NSObservedChange>) |
Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject) |
| AddObserver(String, NSKeyValueObservingOptions, Action<NSObservedChange>) |
Registers an object for being observed externally using an arbitrary method. (Inherited from NSObject) |
| AddTarget(Action) |
Registers a new callback for when the gesture has been recognized. (Inherited from UIGestureRecognizer) |
| AddTarget(Action<NSObject>) |
Registers a new callback for when the gesture has been recognized. (Inherited from UIGestureRecognizer) |
| AddTarget(NSObject, Selector) |
Low-level version of AddTarget. (Inherited from UIGestureRecognizer) |
| AwakeFromNib() |
Called after the object has been loaded from the nib file. Overriders must call base.AwakeFromNib(). (Inherited from NSObject) |
| BeginInvokeOnMainThread(Action) | (Inherited from NSObject) |
| BeginInvokeOnMainThread(Selector, NSObject) |
Invokes asynchrously the specified code on the main UI thread. (Inherited from NSObject) |
| Bind(NSString, NSObject, String, NSDictionary) | (Inherited from NSObject) |
| Bind(String, NSObject, String, NSDictionary) |
Obsolete.
(Inherited from NSObject)
|
| BindingInfo(String) |
Obsolete.
(Inherited from NSObject)
|
| BindingOptionDescriptions(String) |
Obsolete.
(Inherited from NSObject)
|
| BindingValueClass(String) |
Obsolete.
(Inherited from NSObject)
|
| CanBePreventedByGestureRecognizer(UIGestureRecognizer) |
When overridden, allows the specified UIGestureRecognizer to prevent this UIGestureRecognizer from recognizing a gesture. (Inherited from UIGestureRecognizer) |
| CanPreventGestureRecognizer(UIGestureRecognizer) |
When overridden, indicates that this UIGestureRecognizer can prevent the specified UIGestureRecognizer from recognizing a gesture. (Inherited from UIGestureRecognizer) |
| CommitEditing() | (Inherited from NSObject) |
| CommitEditing(NSObject, Selector, IntPtr) | (Inherited from NSObject) |
| ConformsToProtocol(IntPtr) |
Invoked to determine if this object implements the specified protocol. (Inherited from NSObject) |
| Copy() |
Performs a copy of the underlying Objective-C object. (Inherited from NSObject) |
| DangerousAutorelease() | (Inherited from NSObject) |
| DangerousRelease() | (Inherited from NSObject) |
| DangerousRetain() | (Inherited from NSObject) |
| DidChange(NSKeyValueChange, NSIndexSet, NSString) |
Indicates a change occurred to the indexes for a to-many relationship. (Inherited from NSObject) |
| DidChange(NSString, NSKeyValueSetMutationKind, NSSet) | (Inherited from NSObject) |
| DidChangeValue(String) |
Indicates that a change occurred on the specified key. (Inherited from NSObject) |
| Dispose() |
Releases the resources used by the NSObject object. (Inherited from NSObject) |
| Dispose(Boolean) |
Releases the resources used by the UIGestureRecognizer object. (Inherited from UIGestureRecognizer) |
| DoesNotRecognizeSelector(Selector) |
Indicates that this object does not recognize the specified selector. (Inherited from NSObject) |
| Equals(NSObject) | (Inherited from NSObject) |
| Equals(Object) | (Inherited from NSObject) |
| ExposedBindings() | (Inherited from NSObject) |
| GetBindingInfo(NSString) | (Inherited from NSObject) |
| GetBindingOptionDescriptions(NSString) | (Inherited from NSObject) |
| GetBindingValueClass(NSString) | (Inherited from NSObject) |
| GetDictionaryOfValuesFromKeys(NSString[]) |
Retrieves the values of the specified keys. (Inherited from NSObject) |
| GetHashCode() |
Generates a hash code for the current instance. (Inherited from NSObject) |
| GetMethodForSelector(Selector) | (Inherited from NSObject) |
| GetNativeField(String) |
Obsolete.
(Inherited from NSObject)
|
| GetNativeHash() | (Inherited from NSObject) |
| GetTargets() | (Inherited from UIGestureRecognizer) |
| IgnorePress(UIPress, UIPressesEvent) |
Developers may override this method to tell the gesture recognizer to ignore specific presses. (Inherited from UIGestureRecognizer) |
| IgnoreTouch(UITouch, UIEvent) |
Ignores a specific touch of the given event. (Inherited from UIGestureRecognizer) |
| Init() | (Inherited from NSObject) |
| InitializeHandle(IntPtr, String) | (Inherited from NSObject) |
| InitializeHandle(IntPtr) | (Inherited from NSObject) |
| Invoke(Action, Double) | (Inherited from NSObject) |
| Invoke(Action, TimeSpan) | (Inherited from NSObject) |
| InvokeOnMainThread(Action) | (Inherited from NSObject) |
| InvokeOnMainThread(Selector, NSObject) |
Invokes synchrously the specified code on the main UI thread. (Inherited from NSObject) |
| IsEqual(NSObject) | (Inherited from NSObject) |
| IsKindOfClass(Class) | (Inherited from NSObject) |
| IsMemberOfClass(Class) | (Inherited from NSObject) |
| LocationInView(UIView) |
The PointF in the given UIView of the gesture represented by this UIGestureRecognizer. (Inherited from UIGestureRecognizer) |
| LocationOfTouch(nint, UIView) |
Gets the location, in the coordinate system of , of one of the touches in the gesture. (Inherited from UIGestureRecognizer) |
| MarkDirty() |
Promotes a regular peer object (IsDirectBinding is true) into a toggleref object. (Inherited from NSObject) |
| MutableCopy() |
Creates a mutable copy of the specified NSObject. (Inherited from NSObject) |
| ObjectDidEndEditing(NSObject) | (Inherited from NSObject) |
| ObserveValue(NSString, NSObject, NSDictionary, IntPtr) |
Indicates that the value at the specified keyPath relative to this object has changed. (Inherited from NSObject) |
| PerformSelector(Selector, NSObject, Double, NSString[]) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject, Double) |
Invokes the selector on the current instance and if the |
| PerformSelector(Selector, NSObject, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean) | (Inherited from NSObject) |
| PerformSelector(Selector) | (Inherited from NSObject) |
| PrepareForInterfaceBuilder() | (Inherited from NSObject) |
| PressesBegan(NSSet<UIPress>, UIPressesEvent) |
Indicates that a physical button has been pressed on a remote or game controller. (Inherited from UIGestureRecognizer) |
| PressesCancelled(NSSet<UIPress>, UIPressesEvent) |
Indicates a physical button-press event has been cancelled due to a system event. (Inherited from UIGestureRecognizer) |
| PressesChanged(NSSet<UIPress>, UIPressesEvent) |
Indicates that the Force value of the |
| PressesEnded(NSSet<UIPress>, UIPressesEvent) |
Indicates the ending of a press of a physical button on a remote or game controller. (Inherited from UIGestureRecognizer) |
| RemoveObserver(NSObject, NSString, IntPtr) |
Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context. (Inherited from NSObject) |
| RemoveObserver(NSObject, NSString) |
Stops the specified observer from receiving further notifications of changed values for the specified keyPath. (Inherited from NSObject) |
| RemoveObserver(NSObject, String, IntPtr) |
Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context. (Inherited from NSObject) |
| RemoveObserver(NSObject, String) |
Stops the specified observer from receiving further notifications of changed values for the specified keyPath. (Inherited from NSObject) |
| RemoveTarget(NSObject, Selector) |
Low-level counterpart to the low-level AddTarget method. (Inherited from UIGestureRecognizer) |
| RemoveTarget(UIGestureRecognizer+Token) |
Removes the callback method for the specified gesture being recognized, based on the token that was returned by AddTarget. (Inherited from UIGestureRecognizer) |
| RequireGestureRecognizerToFail(UIGestureRecognizer) |
Causes this UIGestureRecognizer to only work if the specified UIGestureRecognizer fails (e.g., a single-tap gesture might require that a double-tap gesture fail). (Inherited from UIGestureRecognizer) |
| Reset() |
When overridden, allows the application developer to reset internal state when a gesture is recognized. (Inherited from UIGestureRecognizer) |
| RespondsToSelector(Selector) |
Whether this object recognizes the specified selector. (Inherited from NSObject) |
| SetNativeField(String, NSObject) |
Obsolete.
(Inherited from NSObject)
|
| SetNilValueForKey(NSString) |
Sets the value of the specified key to null. (Inherited from NSObject) |
| SetValueForKey(NSObject, NSString) |
Sets the value of the property specified by the key to the specified value. (Inherited from NSObject) |
| SetValueForKeyPath(IntPtr, NSString) |
A constructor used when creating managed representations of unmanaged objects; Called by the runtime. (Inherited from NSObject) |
| SetValueForKeyPath(NSObject, NSString) |
Sets the value of a property that can be reached using a keypath. (Inherited from NSObject) |
| SetValueForUndefinedKey(NSObject, NSString) |
Indicates an attempt to write a value to an undefined key. If not overridden, raises an NSUndefinedKeyException. (Inherited from NSObject) |
| SetValuesForKeysWithDictionary(NSDictionary) |
Sets the values of this NSObject to those in the specified dictionary. (Inherited from NSObject) |
| ShouldBeRequiredToFailByGestureRecognizer(UIGestureRecognizer) |
Specifically overridden to indicate that a receiver requires the specified gesture recognizer to fail. (Inherited from UIGestureRecognizer) |
| ShouldRequireFailureOfGestureRecognizer(UIGestureRecognizer) |
Returns a value that tells whether the receiver requires |
| ToString() |
Returns a string representation of the value of the current instance. (Inherited from NSObject) |
| TouchesBegan(NSSet, UIEvent) |
Indicates that one or more fingers have touched down in the associated UIView. (Inherited from UIGestureRecognizer) |
| TouchesCancelled(NSSet, UIEvent) |
Indicates that a system event (e.g., a low-memory warning) has cancelled the touch event. (Inherited from UIGestureRecognizer) |
| TouchesEnded(NSSet, UIEvent) |
Indicates that one or more fingers have lifted in the associated UIView. (Inherited from UIGestureRecognizer) |
| TouchesEstimatedPropertiesUpdated(NSSet) |
Called when the estimated properties of |
| TouchesMoved(NSSet, UIEvent) |
Indicates that one or more fingers have moved in the associated UIView. (Inherited from UIGestureRecognizer) |
| Unbind(NSString) | (Inherited from NSObject) |
| Unbind(String) |
Obsolete.
(Inherited from NSObject)
|
| ValueForKey(NSString) |
Returns the value of the property associated with the specified key. (Inherited from NSObject) |
| ValueForKeyPath(NSString) |
Returns the value of a property that can be reached using a keypath. (Inherited from NSObject) |
| ValueForUndefinedKey(NSString) |
Indicates an attempt to read a value of an undefined key. If not overridden, raises an NSUndefinedKeyException. (Inherited from NSObject) |
| WillChange(NSKeyValueChange, NSIndexSet, NSString) |
Indicates that the values of the specified indices in the specified key are about to change. (Inherited from NSObject) |
| WillChange(NSString, NSKeyValueSetMutationKind, NSSet) | (Inherited from NSObject) |
| WillChangeValue(String) |
Indicates that the value of the specified key is about to change. (Inherited from NSObject) |
Extension Methods
| GetDebugDescription(INSObjectProtocol) | |
| GetAccessibilityCustomRotors(NSObject) |
Gets the array of UIAccessibilityCustomRotor objects appropriate for |
| SetAccessibilityCustomRotors(NSObject, UIAccessibilityCustomRotor[]) |
Sets the array of UIAccessibilityCustomRotor objects appropriate for |