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Defines constants that specify whether the DismissPopup attached event closes all drop-downs in a chain of drop-downs or only drop-downs that the mouse pointer is not over.
Assembly: System.Windows.Controls.Ribbon (in System.Windows.Controls.Ribbon.dll)
Windows 8 Consumer Preview, Windows Server 8 Beta, Windows 7, Windows Server 2008 SP2, 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.