首页 / API 参考 / StockSharp.Diagram IUndoManager StockSharp.Diagram Undo/redo manager. 属性 IsUndoingRedoing : bool This property is during a call to Undo or Redo. 方法 CanRedo() : bool Can redo. 返回值: Check result. CanUndo() : bool Can undo. 返回值: Check result. Redo() Redo. Undo() Undo.