DBT_DEVICEQUERYREMOVE
The operating
system sends the DBT_DEVICEQUERYREMOVE device message to request permission to
remove a device. Any application can deny this request and cancel the removal.
To send the
DBT_DEVICEQUERYREMOVE device message, the operating system sends the WM_DEVICECHANGE message with wParam set
to DBT_DEVICEQUERYREMOVE and lParam set to the address of a DEV_BROADCAST_HDR structure identifying the
device to remove.
dwData = (DWORD) lParam;
Parameters
dwData
Address of a DEV_BROADCAST_HDR
structure identifying the device to remove.
Return Values
Return TRUE
to grant permission to remove a device.
Return
BROADCAST_QUERY_DENY to deny permission to remove a device.
See Also