CopyOldValueForUndo Method (GoObject)

Preserve any mutable state needed to perform an IGoUndoableEdit.Undo.

Syntax

Visual Basic
C#

'Declaration
 
Public Overridable Sub CopyOldValueForUndo( _
   ByVal e As GoChangedEventArgs _
)

public virtual void CopyOldValueForUndo( 
   GoChangedEventArgs e
)

Parameters

e: The particular GoChangedEventArgs edit.

Remarks

This does not need to be overridden for changes to properties of type integer, single float, RectangleF, PointF, SizeF, boolean, or references to independent objects, as long as the old value is passed in the arguments to Changed.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

GoObject Class
GoObject Members
CopyOldValueForUndo Method