Programming with Reflection
GetLastActiveInstance method
Syntax WindowID = object.GetLastActiveInstance
Returns the window ID of the Reflection window that most recently had focus.
WindowID Return type: Long
The window ID of the most recently active Reflection window.
Note: Because this method returns a value but does not take any arguments, some OLE clients generate an error when you try to use this method. If this happens, try appending parentheses to the end of the command. For example:
lastInstance = myobject.GetLastActiveInstance( )