DropDownButtonAutomationPeer 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.
Exposes DropDownButton types to Microsoft UI Automation.
This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
/// [Microsoft.UI.Xaml.CustomAttributes.MUXContractProperty(version=7)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Version(1)]
class DropDownButtonAutomationPeer : ButtonAutomationPeer, IExpandCollapseProvider
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.ContractVersion(Microsoft.UI.Xaml.XamlContract, 65536)]
class DropDownButtonAutomationPeer : ButtonAutomationPeer, IExpandCollapseProvider
[Microsoft.UI.Xaml.CustomAttributes.MUXContractProperty(version=7)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Version(1)]
public class DropDownButtonAutomationPeer : ButtonAutomationPeer, IExpandCollapseProvider
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.ContractVersion(typeof(Microsoft.UI.Xaml.XamlContract), 65536)]
public class DropDownButtonAutomationPeer : ButtonAutomationPeer, IExpandCollapseProvider
Public Class DropDownButtonAutomationPeer
Inherits ButtonAutomationPeer
Implements IExpandCollapseProvider
- Inheritance
-
DropDownButtonAutomationPeer
- Attributes
-
Microsoft.UI.Xaml.CustomAttributes.MUXContractPropertyAttribute MarshalingBehaviorAttribute ThreadingAttribute VersionAttribute ContractVersionAttribute
- Implements
Examples
Tip
The WinUI 3 Gallery and WinUI 2 Gallery apps include interactive examples of most WinUI 3 and WinUI 2 controls, features, and functionality.
If installed already, open them by clicking the following links: WinUI 3 Gallery or WinUI 2 Gallery.
If they are not installed, you can download the WinUI 3 Gallery and the WinUI 2 Gallery from the Microsoft Store.
You can also get the source code for both from GitHub (use the main branch for WinUI 3 and the winui2 branch for WinUI 2).
Constructors
DropDownButtonAutomationPeer(DropDownButton) |
Initializes a new instance of the DropDownButtonAutomationPeer class. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces). |
Properties
ExpandCollapseState |
Gets the state, expanded or collapsed, of the DropDownButton. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces). |
Methods
Collapse() |
Collapses the DropDownButton. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces). |
Expand() |
Expands the DropDownButton. This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces). |