public override void Initialize(InputManager inputManager)
{
input = inputManager;
gameContext = inputManager.Game.Context as GameContext <Control>;
uiControl = gameContext.Control;
uiControl.LostFocus += UIControlOnLostFocus;
// Hook window proc
defaultWndProc = Win32Native.GetWindowLong(uiControl.Handle, Win32Native.WindowLongType.WndProc);
// This is needed to prevent garbage collection of the delegate.
inputWndProc = WndProc;
var inputWndProcPtr = Marshal.GetFunctionPointerForDelegate(inputWndProc);
Win32Native.SetWindowLong(uiControl.Handle, Win32Native.WindowLongType.WndProc, inputWndProcPtr);
// Do not register keyboard devices when using raw input instead
keyboard = new KeyboardWinforms(this, uiControl);
RegisterDevice(keyboard);
mouse = new MouseWinforms(this, uiControl);
RegisterDevice(mouse);
}