OleUndoEngine.AddUndoUnit Method

This member overrides UndoEngine.AddUndoUnit(UndoEngine.UndoUnit), and more complete documentation might be available in that topic.

Adds the undo unit to the undo unit manager.

Namespace:  Microsoft.VisualStudio.Shell.Design
Assembly:  Microsoft.VisualStudio.Shell.Design (in Microsoft.VisualStudio.Shell.Design.dll)

Syntax

'Declaration
Protected Overrides Sub AddUndoUnit ( _
    unit As UndoEngine..::..UndoUnit _
)
'Usage
Dim unit As UndoEngine..::..UndoUnit

Me.AddUndoUnit(unit)

protected override void AddUndoUnit(
    UndoEngine..::..UndoUnit unit
)

protected:
virtual void AddUndoUnit(
    UndoEngine..::..UndoUnit^ unit
) override

abstract AddUndoUnit : 
        unit:UndoEngine..::..UndoUnit -> unit 
override AddUndoUnit : 
        unit:UndoEngine..::..UndoUnit -> unit 

protected override function AddUndoUnit(
    unit : UndoEngine..::..UndoUnit
)

Parameters

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

Remarks

This method maps this OleUndoEngine.UndoUnit to IOleUndoUnit and adds the undo unit to the IOleUndoManager.

.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

OleUndoEngine Members

Microsoft.VisualStudio.Shell.Design Namespace

UndoEngine.UndoUnit

OleUndoEngine

OnInterveningUnitBlockingLinkedUndo()

IVsLinkedUndoClient

OleUndoEngine

CreateUndoUnit

DiscardUndoUnit

Dispose

Other Resources

Supplying Undo Support to Designers