private static void PressKeyInternal(Keys k, bool down)
{
User32.INPUT[] inputs = new User32.INPUT[] {
new User32.INPUT {
type = User32.SendInputEventType.InputKeyboard
}
};
inputs[0].mkhi.ki.wVk = (byte)k;
inputs[0].mkhi.ki.wScan = 0;
inputs[0].mkhi.ki.time = 0;
uint flags = down ? 0 : User32.KEYEVENTF_KEYUP;
if ((33 <= (byte)k && (byte)k <= 46) || (91 <= (byte)k) && (byte)k <= 93)
{
flags |= User32.KEYEVENTF_EXTENDEDKEY;
}
inputs[0].mkhi.ki.dwFlags = flags;
inputs[0].mkhi.ki.dwExtraInfo = User32.GetMessageExtraInfo();
uint result = User32.SendInput((uint)inputs.Length, inputs, Marshal.SizeOf(typeof(User32.INPUT)));
if (result != inputs.Length)
{
throw new Exception("PressKeyInternal failed with error " + Marshal.GetLastWin32Error());
}
}
private static void SendCharInternal(char c, bool down)
{
User32.INPUT[] inputs = new User32.INPUT[] {
new User32.INPUT {
type = User32.SendInputEventType.InputKeyboard
}
};
inputs[0].mkhi.ki.wVk = 0;
inputs[0].mkhi.ki.wScan = c;
inputs[0].mkhi.ki.time = 0;
inputs[0].mkhi.ki.dwFlags = (down ? 0 : User32.KEYEVENTF_KEYUP) | User32.KEYEVENTF_UNICODE;
inputs[0].mkhi.ki.dwExtraInfo = User32.GetMessageExtraInfo();
uint result = User32.SendInput((uint)inputs.Length, inputs, Marshal.SizeOf(typeof(User32.INPUT)));
if (result != inputs.Length)
{
throw new Exception("PressKeyInternal failed with error " + Marshal.GetLastWin32Error());
}
}