public void WriteTextBox()
{
string txt = "Hello Hook!";
//获得窗体句柄
IntPtr winHwnd = WinAPIHelper.FindWindow("WindowsForms10.Window.8.app.0.378734a", "MyWindow");
//获得窗体上TextBox句柄
IntPtr txtHwnd = WinAPIHelper.FindWindowEx(winHwnd, IntPtr.Zero, "WindowsForms10.EDIT.app.0.378734a", "");
//向TextBox中写入内容
WinAPIHelper.BringWindowToTop(winHwnd);
IntPtr result = WinAPIHelper.SendMessage(txtHwnd, 0x000C, (IntPtr)txt.Length, txt);
IntPtr result1 = WinAPIHelper.SendMessage(txtHwnd, 0x000C, (IntPtr)0, txt);
}
