GetWindowOwnerCount

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

Programming With the Mac OS 8.5 Window Manager

GetWindowOwnerCount

Obtains the number of existing references to a window.



 
pascal OSStatus GetWindowOwnerCount (

                     WindowPtr window,

                     UInt32 *outCount);

window: A value of type WindowPtr . Pass a pointer to the window whose reference (owner) count is to be determined.
outCount: A pointer to a value that, on return, contains the current number of references to the window.
function result: A result code. See Result Codes.

DISCUSSION

With the Mac OS 8.5 Window Manager, all windows are created with a reference count (owner count) of one. The function CloneWindow increments the number of references to a window, and the earlier function DisposeWindow decrements the number of references. When the reference count reaches zero, DisposeWindow disposes of the window.

VERSION NOTES

Available with Mac OS 8.5 and later.