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IKeyboardInputSink.HasFocusWithin Method

Gets a value that indicates whether the sink or one of its contained components has focus.

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

abstract HasFocusWithin : unit -> bool

Return Value

Type: System.Boolean
true if the sink or one of its contained components has focus; otherwise, false.

This method is necessary for forwarding TranslateAccelerator calls to child components with focus from within the TranslateAccelerator implementation. Call HasFocusWithin recursively until you reach the level of specific focus and forward TranslateAccelerator there.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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