This member overrides UndoEngine.DiscardUndoUnit(UndoEngine.UndoUnit), and more complete documentation might be available in that topic.
Closes this unit if it is a parent undo unit.
Namespace: Microsoft.VisualStudio.Shell.Design
Assembly: Microsoft.VisualStudio.Shell.Design (in Microsoft.VisualStudio.Shell.Design.dll)
Syntax
'宣言
Protected Overrides Sub DiscardUndoUnit ( _
unit As UndoEngine..::.UndoUnit _
)
'使用
Dim unit As UndoEngine..::.UndoUnit
Me.DiscardUndoUnit(unit)
protected override void DiscardUndoUnit(
UndoEngine..::.UndoUnit unit
)
protected:
virtual void DiscardUndoUnit(
UndoEngine..::.UndoUnit^ unit
) override
protected override function DiscardUndoUnit(
unit : UndoEngine..::.UndoUnit
)
Parameters
Permissions
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
See Also
Concepts
Supplying Undo Support to Designers
Reference
Microsoft.VisualStudio.Shell.Design Namespace
OnInterveningUnitBlockingLinkedUndo()