TextBoxBase.CanUndo Property
Definition
Important
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Gets a value that indicates whether the most recent action can be undone.
public:
property bool CanUndo { bool get(); };public bool CanUndo { get; }member this.CanUndo : boolPublic ReadOnly Property CanUndo As BooleanProperty Value
true if the most recent action can be undone; otherwise, false.
This property has no default value.
Examples
The following code example demonstrates how to use the CanUndo property to determine whether the most recent action can be undone.
private void undoAction(object sender, RoutedEventArgs e)
{
if (myTextBox.CanUndo == true)
{
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
Vertu í samstarfi við okkur á GitHub
Heimildina fyrir þetta efni er að finna á GitHub, þar sem þú getur líka búið til og farið yfir vandamál og sameinað beiðnir. Frekari upplýsingar er að finna í framlagshandbók okkar.
