DBT_DEVICEARRIVAL
The operating
system sends the DBT_DEVICEARRIVAL device message when a device has been
inserted and becomes available.
To send the
DBT_DEVICEARRIVAL device message, the operating 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.
See Also