Sent to the window that registered to receive raw input.
A window receives this message through its WindowProc function.
This parameter can be one of the following values.
A new device has been added to the system.
A device has been removed from the system.
The handle to the raw input device. Call GetRawInputDeviceInfo to get more information regarding the device.
If an application processes this message, it should return zero.
Minimum supported client
|Windows Vista [desktop apps only]|
Minimum supported server
|Windows Server 2008 [desktop apps only]|