private IntPtr WndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
{
WinFormsKeys virtualKey;
switch (msg)
{
case Win32Native.WM_KEYDOWN:
case Win32Native.WM_SYSKEYDOWN:
virtualKey = (WinFormsKeys)wParam.ToInt64();
virtualKey = GetCorrectExtendedKey(virtualKey, lParam.ToInt64());
keyboard?.HandleKeyDown(virtualKey);
heldKeys.Add(virtualKey);
break;
case Win32Native.WM_KEYUP:
case Win32Native.WM_SYSKEYUP:
virtualKey = (WinFormsKeys)wParam.ToInt64();
virtualKey = GetCorrectExtendedKey(virtualKey, lParam.ToInt64());
heldKeys.Remove(virtualKey);
keyboard?.HandleKeyUp(virtualKey);
break;
case Win32Native.WM_DEVICECHANGE:
// Trigger scan on device changed
input.Scan();
break;
}
var result = Win32Native.CallWindowProc(defaultWndProc, hWnd, msg, wParam, lParam);
return(result);
}
internal void HandleKeyDown(IntPtr wParam, IntPtr lParam)
{
var virtualKey = (WinFormsKeys)wParam.ToInt64();
virtualKey = GetCorrectExtendedKey(virtualKey, lParam.ToInt64());
keyboard?.HandleKeyDown(virtualKey);
heldKeys.Add(virtualKey);
}