private void SendKeyUp(short key)
{
if (Marshal.SizeOf(new IntPtr()) == 8)//64位系统
{
Input64[] input = new Input64[1];
input[0].type = INPUT.KEYBOARD;
input[0].ki.wVk = key;
input[0].ki.dwFlags = KeyboardConstaint.KEYEVENTF_KEYUP;
input[0].ki.time = NativeMethods.GetTickCount();
if (NativeMethods.SendInput64((uint)input.Length, input, Marshal.SizeOf(input[0])) < input.Length)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
else
{
Input32[] input = new Input32[1];
input[0].type = INPUT.KEYBOARD;
input[0].ki.wVk = key;
input[0].ki.dwFlags = KeyboardConstaint.KEYEVENTF_KEYUP;
input[0].ki.time = NativeMethods.GetTickCount();
if (NativeMethods.SendInput((uint)input.Length, input, Marshal.SizeOf(input[0])) < input.Length)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
}
internal static extern UInt32 SendInput64(UInt32 nInputs, Input64[] pInputs, Int32 cbSize);