Returns information about how Visual Basic was called (for more information, see the Remarks section).
Assembly: Microsoft.Office.Interop.Excel (in Microsoft.Office.Interop.Excel.dll)
This property returns information about how Visual Basic was called, as shown in the following table.
A custom function entered in a single cell
A Range object specifying that cell
A custom function that is part of an array formula in a range of cells
A Range object specifying that range of cells
An Auto_Open, Auto_Close, Auto_Activate, or Auto_Deactivate macro
The name of the document as text
The name of the chart object identifier or cell reference (if applicable) to which the macro applies
The Macro dialog box (Tools menu), or any caller not described above
The #REF! error value