LinkedWindowFrame Property
Returns the Window object representing the frame that contains the window. Read-only.
Remarks
The LinkedWindowFrame property enables you to access the object representing the linked window frame, which has properties distinct from the window or windows it contains. If the window isn't linked, the LinkedWindowFrame property returns Nothing.
Important Objects, properties, and methods for controlling linked windows, linked window frames, and docked windows are included on the Macintosh for compatibility with code written in Windows. However, these language elements will generate run-time errors when run on the Macintosh.