C#读取其他运行的Exe上面的控件类型集合

button1为一个按钮

private void button1_Click(object sender, EventArgs e)

 {
            StringBuilder str = new StringBuilder();
            OpenFileDialog fd = new OpenFileDialog();
            fd.Filter = "|*.exe";
            DialogResult dr = fd.ShowDialog();
            if (dr == DialogResult.OK)
            {
                //加载exe
                Assembly dllexe = Assembly.LoadFrom(fd.FileName);