TextBoxBase.Undo Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Undoes the most recent undo command. In other words, undoes the most recent undo unit on the undo stack.
public:
bool Undo();public bool Undo ();member this.Undo : unit -> boolPublic Function Undo () As BooleanReturns
true if the undo operation was successful; otherwise, false. This method returns false if the undo stack is empty.
Examples
The following example demonstrates how to use the Undo method.
private void undoAction(object sender, RoutedEventArgs e)
{
if (myTextBox.CanUndo)
{
myTextBox.Undo();
}
}
Private Sub undoAction(ByVal sender As Object, ByVal e As RoutedEventArgs)
If myTextBox.CanUndo = True Then
myTextBox.Undo()
Else : Return
End If
End Sub
Applies to
See also
Samarbeta med oss på GitHub
Källan för det här innehållet finns på GitHub, där du även kan skapa och granska ärenden och pull-begäranden. Se vår deltagarguide för mer information.
