DBT_DEVICETYPESPECIFIC Overview  Group

The operating system sends the DBT_DEVICETYPESPECIFIC device message when a device-specific event occurs.

To send the DBT_DEVICETYPESPECIFIC device message, the operating system sends the WM_DEVICECHANGE message with wParam set to DBT_DEVICETYPESPECIFIC and lParam set as described in the following.

dwData = (DWORD) lParam;
 

Parameters

dwData

Address of a DEV_BROADCAST_HDR structure identifying the device. lParam is application-defined. May be zero.

Return Values

Return TRUE.

See Also

DEV_BROADCAST_HDR, WM_DEVICECHANGE