EnableUndo Property
From Microsoft Office Web Components Visual Basic
True if the undo functionality is enabled for the specified spreadsheet. Setting the EnableUndo property to False disables the undo functionality of the spreadsheet component. Read/write Boolean.
expression.EnableUndo
expression Required. An expression that returns a Spreadsheet object.
Example
This example creates an undo block containing code that sets the number format and font for the cell D10.
Sub Undo_Block()
Dim rngCurrent
' Enable undo.
Spreadsheet1.EnableUndo = True
' Start an undo block.
Spreadsheet1.BeginUndo
Set rngCurrent = Spreadsheet1.Worksheets("sheet1").Range("D10")
' The following three lines of code apply
' various formatting to cell D10.
rngCurrent.NumberFormat = "0.###"
rngCurrent.Font.Color = "Blue"
rngCurrent.Font.Name = "Times New Roman"
' End the undo block.
Spreadsheet1.EndUndo
End Sub