IUndoableEdit

StockSharp.Diagram

This interface specifies how a document change (an edit).

方法

CanRedo() : bool

Determine if this edit is ready to be and can be redone.

CanUndo() : bool

Determine if this edit is ready to be and can be undone.

Clear()

Forget about any state remembered in this edit.

Redo()

Restore the new state of this edit after having been undone.

Undo()

Restore the previous state of this edit.