Inside Macintosh: Imaging With QuickDraw /

Chapter 5 - Graphics Devices / Graphics Devices Reference

Routines for Graphics Devices / Getting the Available Graphics Devices

GetDeviceList

To obtain a handle to the first GDevice record in the device list, use the GetDeviceList function.

FUNCTION GetDeviceList: GDHandle;

DESCRIPTION

The GetDeviceList function returns a handle to the first GDevice record in the global variable DeviceList.

SPECIAL CONSIDERATIONS

The GetDeviceList function may move or purge memory blocks in the application heap. Your application should not call this function at interrupt time.

SEE ALSO

Listing 5-3 on page 5-9 illustrates the use of this function.