UndoCount Property

Returns the number of undone actions.

Syntax

Visual Basic
C#

'Declaration
 
Public ReadOnly Property UndoCount As System.Integer

public System.int UndoCount {get;}

Property Value

Integer.

Example

If(this.ardMain.UndoManager.UndoCount == 0 )
{
    this.tSTDUndo.Enabled = False;
    this.mnuEditUndo.Enabled = False;
}
Else
{
    this.tSTDUndo.Enabled = True;
    this.mnuEditUndo.Enabled = True;
}

Visual Basic

If Me.ardMain.UndoManager.UndoCount = 0 Then
    Me.tSTDUndo.Enabled = False
    Me.mnuEditUndo.Enabled = False
Else
    Me.tSTDUndo.Enabled = True
    Me.mnuEditUndo.Enabled = True
End If

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

UndoManager Class
UndoManager Members