DBT_DEVICEARRIVAL

The system sends the DBT_DEVICEARRIVAL device message when a device has been inserted and becomes available.

To send the DBT_DEVICEARRIVAL device message, the system sends the WM_DEVICECHANGE message with wParam set to DBT_DEVICEARRIVAL and lParam set to the address of a DEV_BROADCAST_HDR structure identifying the device inserted.

dwData = (DWORD) lParam;
 

Parameters

dwData

Address of a DEV_BROADCAST_HDR structure identifying the device inserted.

Return Values

Return TRUE.

QuickInfo

  Windows NT: Requires version 5.0 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in dbt.h.

See Also

System Messages Overview, System Message Messages, DEV_BROADCAST_HDR, WM_DEVICECHANGE