OleUndoEngine.DiscardUndoUnit Method

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

'Declaration
Protected Overrides Sub DiscardUndoUnit ( _
    unit As UndoEngine.UndoUnit _
)

protected override void DiscardUndoUnit(
    UndoEngine.UndoUnit unit
)

Parameters

• unit
  Type: System.ComponentModel.Design.UndoEngine.UndoUnit
  UndoEngine.UndoUnit .

.NET Framework Security

• 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

Reference

OleUndoEngine Class

Microsoft.VisualStudio.Shell.Design Namespace

UndoEngine.UndoUnit

OleUndoEngine

OnInterveningUnitBlockingLinkedUndo

IVsLinkedUndoClient

OleUndoEngine

AddUndoUnit

CreateUndoUnit

Dispose

Other Resources

Supplying Undo Support to Designers