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IKeyboardInputSink Interface

Provides a keyboard sink for components that manages tabbing, accelerators, and mnemonics across interop boundaries and between HWNDs. This interface implements keyboard message management in WPF-Win32 interoperation scenarios.

Namespace:  System.Windows.Interop
Assembly:  WindowsBase (in WindowsBase.dll)

public interface IKeyboardInputSink
Interfaces cannot be used directly in XAML; see types that implement this interface.

A keyboard sink handles input from particular subsets of the overall keyboard input model for Win32 and Windows Presentation Foundation (WPF), and enables some keyboard input to be processed and directed to HWNDs other than the one with current keyboard focus.

If your component contains other components, and maintains a tab order, your component must also implement IKeyboardInputSite and keep track of which component has focus.

For a discussion of the input architecture specifically implemented for Windows Forms interop, see Windows Forms and WPF Interoperability Input Architecture.

HwndSource and HwndHost each implement the IKeyboardInputSink interface, through explicit interface definitions. The explicit definitions supply default behaviors, and can also be accessed if necessary through an IKeyboardInputSink interface cast of HwndSource or HwndHost.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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