弹出软键盘

注：文章内容完全来自于这篇博客

[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool Wow64DisableWow64FsRedirection(ref IntPtr ptr);

[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool Wow64RevertWow64FsRedirection(IntPtr ptr);
private void TspKeypad_Click(object sender, EventArgs e)
{
    bool isKeyboadRunning = Process.GetProcessesByName("osk").Length > 0;
    if (isKeyboadRunning) return;
    IntPtr ptr = IntPtr.Zero;
    bool redirected = Wow64DisableWow64FsRedirection(ref ptr);
    try
    {
        Process.Start("osk.exe");
    }
    finally
    {
        if (redirected)
        {
            Wow64RevertWow64FsRedirection(ptr);
        }
    }
}