Use Undo and Redo Feature

Performing Undo and Redo Operation

The following APIs are available for the task. The description is given with each API, please check them.

  • GridDesktop.EnableUndo - attribute: It indicates whether the Undo function is enabled, the default value is “false”.
  • UndoManager – class: It is used to manage the undo/redo operation.
  • GridDesktop.UndoManager – attribute: It gets the instance of the UndoManager object.
  • UndoManager.Undo – method: It performs an undo operation.
  • UndoManager.Redo - method: It performs the redo operation.
  • UndoManager.ClearStack – method: It clears the undo/redo stack.
  • UndoManager.UndoStepsCount – attribute: It gets the count of current available undo steps.
  • UndoManager.RedoStepsCount – attribute: It gets the count of current available redo steps.
  • UndoManager.UndoStackSize – attribute: It gets/sets the undo stack size.

Undo

The following sample code shows how to implement the Undo operation using the GridDesktop API.

Redo

The following sample code shows how to implement the Redo operation using the GridDesktop API.