Enum CommandMode Defines the transaction mode in SfSpreadsheet. Namespace: Syncfusion.Windows.Forms.Spreadsheet.History Assembly: Syncfusion.Spreadsheet.Windows.dll Syntax public enum CommandMode Fields Name Description Redo SfSpreadsheet is currently in process of redoing commands. Redo() will set initialize and reset this state. Undo SfSpreadsheet is currently in process of undoing commands. Undo() will set initialize and reset this state.