undo Method

Undoes the action on the specified sender.

Syntax

var instance = new GcSpread.Sheets.UndoRedo.RowGroupExpandUndoAction(sheet, rowExpandExtent);
var value; // Type: boolean
value = instance.undo(arg);

function undo( 
   arg : object
) : boolean;

arg: Data used by the action. If the action does not require data to be passed, this object can be set to null.

true if an undo operation on the command or operation succeeds; otherwise, false.

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