窗体问题,急盼高手解决!

呵呵~
你捕获那个错误不就不会关了!
C# codepublicpartialclassForm1 : Form
    {publicForm1()
        {
            InitializeComponent();
        }privatevoidForm1_Load(objectsender, EventArgs e)
        {
            B obj_b_Form=newB();
            obj_b_Form.MdiParent=this;
            obj_b_Form.Show(); 

        }
    }publicpartialclassB : Form
    {publicB()
        {
            Initiali…