DropDownButtonAutomationPeer Class

  • Reference

Definition

Namespace:
Microsoft.UI.Xaml.Controls
Edit

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.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
[Microsoft.UI.Xaml.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
Public Class DropDownButtonAutomationPeer
Inherits ButtonAutomationPeer
Implements IExpandCollapseProvider
Inheritance
ButtonAutomationPeer
DropDownButtonAutomationPeer
Attributes
Microsoft.UI.Xaml.MUXContractPropertyAttribute MarshalingBehaviorAttribute ThreadingAttribute VersionAttribute
Implements
IExpandCollapseProvider

Remarks

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 Microsoft.UI.Xaml.Controls.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 control.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

Methods

Collapse()

Hides the control's drop down menu.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
Expand()

Displays the control's drop down menu.

This documentation applies to WinUI 2 for UWP (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).

Applies to