public MainForm()
{
InitializeComponent();
ListenerThread = new Thread(() =>
{
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.Bind(new IPEndPoint(IPAddress.Any, Settings.Default.ListeningPort));
var oldbuttons = new BitField(8);
var oldkeystate = new BitField(256);
var recvbuffer = new byte[40];
var rawmousepacket = new byte[Marshal.SizeOf <MouseStatePacketType>()];
var rawkeyboardpacket = new byte[Marshal.SizeOf <KeyboardStatePacketType>()];
while (true)
{
socket.Receive(recvbuffer);
switch (recvbuffer[0])
{
case 1:
{
// mouse
Array.Copy(recvbuffer, rawmousepacket, rawmousepacket.Length);
var packetwrapper = new MouseStatePacketWrapperType(rawmousepacket.ToObject <MouseStatePacketType>());
InputSimulator.ApplyPacket(packetwrapper, oldbuttons);
oldbuttons.CopyFrom(packetwrapper.Buttons);
}
break;
case 2:
{
// keyboard
Array.Copy(recvbuffer, rawkeyboardpacket, rawkeyboardpacket.Length);
var packetwrapper = new KeyboardStatePacketWrapperType(rawkeyboardpacket.ToObject <KeyboardStatePacketType>());
InputSimulator.ApplyPacket(packetwrapper, oldkeystate);
oldkeystate.CopyFrom(packetwrapper.KeyState);
}
break;
default:
continue;
}
}
})
{
Name = "Listener Thread", IsBackground = true
};
ListenerThread.Start();
}
public static void ApplyPacket(KeyboardStatePacketWrapperType packetwrapper, BitField oldkeystate)
{
var inputs = new List <Input>();
for (var vk = 0; vk < packetwrapper.KeyState.DataLength; ++vk)
{
var oldstate = oldkeystate[vk];
var newstate = packetwrapper.KeyState[vk];
if (oldstate != newstate)
{
var input = new Input {
type = SendInputEventType.InputKeyboard
};
input.mkhi.ki.wVk = (ushort)vk;
input.mkhi.ki.dwFlags = newstate && !oldstate ? 0 : KeyboardEventFlags.KEYUP;
inputs.Add(input);
}
}
SendInput((uint)inputs.Count, inputs.ToArray(), Marshal.SizeOf <Input>());
}