UIElement.IsMouseCaptureWithin Property
.NET Framework 4.5
Gets a value that determines whether mouse capture is held by this element or by child elements in its visual tree. This is a dependency property.
Namespace: System.Windows
Assembly: PresentationCore (in PresentationCore.dll)
Property Value
Type: System.Booleantrue if this element or a contained element has mouse capture; otherwise, false.
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.