Clarification of Caller Property Help

MORE INFORMATION

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Example

1. Enter the following code in a module sheet:

         Sub MultiUse(fromMenu As Boolean)
            If fromMenu Then
               MsgBox "Called from a menu"
            Else
               MsgBox "Called from a button"
            End If
         End Sub
   						

2. Switch to a worksheet and use the Forms toolbar to create an object on your sheet.
3. Select the object and click the right mouse button.
4. On the shortcut menu, click Assign Macro.
5. In the Macro Name/Reference box, type the appropriate command for the type of object.
   
   
   • To assign the procedure to a menu bar, type:

     'MultiUse true'

   • To assign the procedure to a button, type:

     'MultiUse false'

   NOTE: You must include the apostrophes around either statement. Note also that you can use other types of arguments; for example, you can use an integer rather than a Boolean argument. The following error message:
   Formula is too complex to be assigned to object.
   will be received if you try to pass an argument from within the Assign Macro dialog box using something like:

   test(1)

   where "test" is the name of your macro and you are trying to pass a value of 1 to the macro.

This method of determining how a macro was called can offer different benefits than the Application.Caller method, which can return many different data types such as a Range object, a string, an array of numbers, an array of one number and a string, or an error.

You can use information functions such as IsObject or Isarray to check the type of returned values to determine what called the macro.

When you use an argument to tell the procedure what called it (menu, tool, or button), your code is designed such that it can tell what kind of result it will get from Caller, and it can use that information to determine what else to do.