PATHMac OS 8 and 9 Developer Documentation > Human Interface Toolbox > Window Manager >

Programming With the Mac OS 8.5 Window Manager

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.