The '''BroadcastSystemMessageEx''' function sends a message to the specified recipients. The recipients can be applications, installable drivers, network drivers, system-level device drivers, or any combination of these system components. This function is similar to BroadcastSystemMessage except that this function can return more information from the recipients.
9/19/2009 10:56:30 PM - -66.68.181.45
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static extern int BroadcastSystemMessageEx(uint flags, ref uint lpInfo, uint Msg, [MarshalAs(UnmanagedType.SysUInt)] ulong wParam, [MarshalAs(UnmanagedType.SysInt)] long lParam, out BSMINFO pbsmInfo);