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RibbonMenuItemDataAutomationPeer.IExpandCollapseProvider.Collapse Method

.NET Framework 4.5

Hides all items that are in the RibbonMenuItem that is associated with this RibbonMenuItemDataAutomationPeer.

Namespace:  System.Windows.Automation.Peers
Assembly:  System.Windows.Controls.Ribbon (in System.Windows.Controls.Ribbon.dll)

void IExpandCollapseProvider.Collapse()




The RibbonMenuItem is not enabled.


The RibbonMenuItem is virtualized.


The RibbonMenuItem does not contain any items.


The RibbonMenuItem is not available.

This member is an explicit interface member implementation. It can be used only when the RibbonMenuItemDataAutomationPeer instance is cast to an IExpandCollapseProvider interface.

.NET Framework

Supported in: 4.6, 4.5

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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