复原与重做操作

复原先前的操作。

Undo

Undo the last action.

UndoMultiple

Display a list of recent commands to reverse.

重复操作

Redo

Reverse the last Undo.

RedoMultiple

Reverse the Undo command multiple times.

请参考

ClearUndo

Clear the undo buffer to free memory.

UndoView

Undo the last view change.

RedoView

Reverse the last UndoView.