gpi12.hlp (Table of Contents; Topic list)
Dev functions (1.2)
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DevCloseDC            Closes a device context
DevEscape             Allows escape calls to device drivers
DevOpenDC             Opens a device context
DevPostDeviceModes    Posts device modes
DevQueryCaps          Retrieves the device capabilities
DevQueryDeviceNames   Retrieves device names and descriptions
DevQueryHardcopyCaps  Retrieves hardcopy capabilities