_Workbook.Activate Method
Activates the first window associated with the workbook. This won't run any Auto_Activate or Auto_Deactivate macros that might be attached to the workbook (use the RunAutoMacros method to run those macros).
Namespace: Microsoft.Office.Interop.Excel
Assembly: Microsoft.Office.Interop.Excel (in Microsoft.Office.Interop.Excel.dll)
Syntax
'Declaration
Sub Activate
'Usage
Dim instance As _Workbook
instance.Activate()
void Activate()