public void DoKeyboardAction(RemoteDesktopKeyboardAction keyboardAction, short scanCode)
{
INPUT keyboardInput = new INPUT();
keyboardInput.type = InputType.KEYBOARD;
keyboardInput.U.ki.wScan = scanCode;
keyboardInput.U.ki.dwFlags = KEYEVENTF.SCANCODE;
if (keyboardAction == RemoteDesktopKeyboardAction.KeyUp)
{
keyboardInput.U.ki.dwFlags |= KEYEVENTF.KEYUP;
}
keyboardInput.U.ki.dwExtraInfo = UIntPtr.Zero;
keyboardInput.U.ki.time = 0;
SendIput(keyboardInput);
}
//https://stackoverflow.com/questions/11890972/simulating-key-press-with-postmessage-only-works-in-some-applications
public void DoKeyboardAction(RemoteDesktopKeyboardAction keyboardAction, short scanCode, long windowHandle)
{
Desktop.SetCurrent(Desktop);
var guidThreadInfo = new GUITHREADINFO();
guidThreadInfo.cbSize = Marshal.SizeOf(guidThreadInfo);
var currentWindow = new IntPtr(windowHandle);
var threadId = NativeMethods.GetWindowThreadProcessId(currentWindow, IntPtr.Zero);
var result = NativeMethods.GetGUIThreadInfo(threadId, ref guidThreadInfo);
if (!result)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
currentWindow = guidThreadInfo.hwndFocus;
var virtualKeyCode = NativeMethods.MapVirtualKey((uint)scanCode, MapVirtualKeyMapTypes.MAPVK_VSC_TO_VK);
//https://msdn.microsoft.com/en-us/library/ms646280(VS.85).aspx#CodeSnippetContainerCode0
var lparam = scanCode >> 16;
switch (keyboardAction)
{
case RemoteDesktopKeyboardAction.KeyDown:
NativeMethods.PostMessage(new HandleRef(null, currentWindow), WM.KEYDOWN, new IntPtr(virtualKeyCode),
new IntPtr(lparam));
break;
case RemoteDesktopKeyboardAction.KeyUp:
//that makes every key doubled
//NativeMethods.PostMessage(new HandleRef(null, currentWindow), WM.KEYUP, new IntPtr(virtualKeyCode),
// new IntPtr(lparam));
break;
default:
throw new ArgumentOutOfRangeException(nameof(keyboardAction), keyboardAction, null);
}
}
