在运行.showdialog()之后，有没有一种方法可以让用户仍然至少最小/最大/移动父窗口？

// 将父窗口最小化
this.WindowState = FormWindowState.Minimized;

// 调用模态窗口
MyDialogForm dialog = new MyDialogForm();
dialog.ShowDialog();

// 恢复父窗口
this.WindowState = FormWindowState.Normal;

// 将父窗口最大化
this.WindowState = FormWindowState.Maximized;

// 调用模态窗口
MyDialogForm dialog = new MyDialogForm();
dialog.ShowDialog();

// 恢复父窗口
this.WindowState = FormWindowState.Normal;

// 调用模态窗口并传递父窗口引用
MyDialogForm dialog = new MyDialogForm();
dialog.MainForm = this; // 在模态窗口中定义一个公共属性MainForm，用于引用父窗口对象
dialog.ShowDialog();

// 在模态窗口中处理鼠标事件来实现拖动父窗口
private void MyDialogForm_MouseDown(object sender, MouseEventArgs e)
{
    if (e.Button == MouseButtons.Left)
    {
        this.MainForm.Location = new Point(
            this.MainForm.Location.X - (this.MainForm.PointToScreen(e.Location).X - this.PointToScreen(e.Location).X),
            this.MainForm.Location.Y - (this.MainForm.PointToScreen(e.Location).Y - this.PointToScreen(e.Location).Y));
    }
}