## Display Device Driver Reference for OS/2

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### PM Display Driver and Font Manager Interface

There is no initialization interface between the PM display driver and the font manager. When the PM display driver loads the font manager (using DosLoadModule), the initialization routine runs automatically in the font manager. At initialization the font manager loads the system default fonts. When the PM display driver gets the request to load/unload the font driver from the application, the PM display driver calls the font manager using the load/unload font drivers requests.

To call the font manager, the PM display driver has to get the address of the dispatch table using DosGetProcAddr and then use the function addresses provided in this table. Refer to Device Driver Font Manager Interface for details on this process.