Accessing Window Information

The Mac OS 8.5 Window Manager provides the following functions for determining information about windows:

GetWindowClass obtains the class of a window.
GetWindowAttributes obtains the attributes of a window.
FrontNonFloatingWindow returns a pointer to the application's frontmost visible window that is not a floating window.
IsValidWindowPtr reports whether a pointer is a valid window pointer.

� 1999 Apple Computer, Inc. – (Last Updated 18 March 99)