GoDigram for .NET Framework and .NET Core
Northwoods.Go Namespace / GoUndoManager Class / CanUndo Method
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    CanUndo Method (GoUndoManager)
    In This Topic
    This predicate is true when one can call Undo.
    Syntax
    public virtual bool CanUndo()
    Remarks
    In order to be able to perform an undo, a transaction must not be in progress, nor an undo or a redo. Furthermore there must be an EditToUndo that itself is ready to be undone, because its IGoUndoableEdit.CanUndo predicate is true.
    See Also