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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

file: /Techref/os/win/api/win32/mess/src/msg03_26.htm, 1KB, , updated: 2000/4/7 11:19, local time: 2024/12/1 03:37,
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