Sunny.UI.Common.ShowWaitForm();  
        try  
        {  
//检测当前FORM是否存在。  
            Form form = listForm.SingleOrDefault(a => a.Name == name);  
            if (form != null && form.IsDisposed)  
            {  
                listForm.Remove(form);  
                form = null;  
            }  
            if (form == null)  
            {  
                //新建page  
                TabPage tabPage = new TabPage();  
                tabPage.Name = name + "\_tab";  
                tabPage.Tag = name;  
                tabPage.TabIndex = listForm.Count;  
                tabPage.Text = title;  
                tabPage.UseVisualStyleBackColor = true;  
                tabPage.AutoScroll = true;  
                tabPage.AutoScrollMinSize = new Size(w, h);  
                mianTabContorl.Controls.Add(tabPage);  
                //新建panel，网上听说要添加pannel。可是没用  
                //UIPanel uIPanel = new UIPanel();  
                //uIPanel.Font = new System.Drawing.Font("微软雅黑", 9F);  
                //uIPanel.Text = "";  
                //uIPanel.Dock = DockStyle.Fill;  
                //uIPanel.AutoScroll = true;  
                //uIPanel.MinimumSize = new Size(minWidth, minHeight);  
                //tabPage.Controls.Add(uIPanel);  
               //根据命名空间.类名动态创建Form对象  
                form = (Form)assembly.CreateInstance("TestProduct." + name);  
                form.MdiParent = this;  
                form.FormBorderStyle = FormBorderStyle.None;  
                //form.Parent = uIPanel;  
                form.Parent = tabPage;  
                //不可使用WindowState  
                // form.WindowState = FormWindowState.Maximized;  
                //设置最大高宽，最小高宽  
                form.MinimumSize = new Size(w, h);  
                //填充pannel  
                form.Dock = DockStyle.Fill;  
                form.Show();

                listForm.Add(form);  
                mianTabContorl.SelectedTab = tabPage;  
            }  
            else  
            {  
                mianTabContorl.SelectedTab = GetTabPage(form.Name);  
            }

        }  
        catch (Exception ex)  
        {  
            Sunny.UI.Common.ShowErrorDialog("错误消息：" + ex.Message);  
        }  
        finally  
        {  
            Sunny.UI.Common.HideWaitForm();  
        }  
    }  

private TabPage GetTabPage(string name)
{
TabPage tb = null;
foreach (TabPage item in mianTabContorl.TabPages)
{
if (item.Tag.ToString() == name)
{
tb = item;
}
}
return tb;
}