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DefDriverProc

Provides default processing for any messages not processed by an installable driver. This function is intended to be used only within the DriverProc function of an installable driver.

LONG DefDriverProc(
DWORDdwDriverId,HDRVRhdrvr,UINTmsg,LONGlParam1,LONGlParam2);

Parameters

dwDriverId

Identifier of the installable driver.

hdrvr

Handle of the installable driver instance.

msg

Driver message value.

lParam1

32-bit message-dependent information.

lParam2

32-bit message-dependent information.

Return Value

Returns nonzero if successful or zero otherwise.

Requirements

**  Windows NT/2000:** Requires Windows NT 3.1 or later.
**  Windows 95/98:** Requires Windows 95 or later.
**  Header:** Declared in Mmsystem.h.
**  Library:** Use Winmm.lib.

See Also

Installable Drivers, Driver Functions