高手们!救急啊!Frame问题!!急!!急!!急!
这是一个仿Outlook2000做的一个主界面,开始右边默认调用Form1,我想点击左边的菜单调用其他的Form。 
 高手们,我是一个新手,帮帮我啊,急!!急!!急!!急!!急!!急!!急!!     
 代码如下:		  		 
 		private   LumiSoft.UI.Controls.WFrame   wFrame1; 
 		private   System.ComponentModel.IContainer   components; 
 		private   System.Windows.Forms.ImageList   imageList1;   
 		private   LumiSoft.UI.Controls.WOutlookBar.WOutlookBar   outlookBar   =   null;                              
 		public   MainForm() 
 		{ 
 			// 
 			//   Required   for   Windows   Form   Designer   support 
 			// 
 			InitializeComponent();   
 			// 
 			//   TODO:   Add   any   constructor   code   after   InitializeComponent   call 
 			//   
 			InitBar();   
 			wFrame1.Frame_BarControl   =   outlookBar; 
 			wFrame1.Frame_Form   =   new   Form1(wFrame1);         //开始右边默认调用Form1,我想点击左边的菜单调用其他的Form 
 		}     
 		#region   OutlookBar   Click   stuff   
 		///    <summary>  
 		///   OutlookBar   Click 
 		///    </summary>  
 		private   void   wOutlookBar_ItemClicked(object   sender,   LumiSoft.UI.Controls.WOutlookBar.ItemClicked_EventArgs   e) 
 		{ 
 			MessageBox.Show(e.Item.Caption); 
 		}   
 		#endregion     
 		#region   function   InitBar   
 		private   void   InitBar() 
 		{ 
 			outlookBar   =   new   LumiSoft.UI.Controls.WOutlookBar.WOutlookBar(); 
 			outlookBar.ImageList   =   this.imageList1; 
 			outlookBar.ItemClicked   +=   new   LumiSoft.UI.Controls.WOutlookBar.ItemClickedEventHandler(this.wOutlookBar_ItemClicked);  			 
 			Item   it   =   null; 
 			Bar   bar   =   null; 
 	//		Bar   a   =   outlookBar.Bars.Add( "ViewStyle "); 
 	//		a.Items.Add( "Set   ViewStyle ",0);   
 			Bar   stuckingTest   =   outlookBar.Bars.Add( "Stucking   test "); 
 			stuckingTest.Items.Add( "Can   stuck ",0); 
 			stuckingTest.Items.Add( "Can   stuck ",0);   
 			it   =   stuckingTest.Items.Add( "Can 't   stuck ",0); 
 			it.AllowStuck   =   false;   
 			stuckingTest.Items.Add( "Can 't   stuck ",0);   
 			bar   =   outlookBar.Bars.Add( "Full   item   select "); 
 			bar.ItemsStyle   =   ItemsStyle.FullSelect; 
 			bar.Items.Add( "Item   a ",0); 
 			bar.Items.Add( "Item   b ",0);   
 			bar   =   outlookBar.Bars.Add( "This   is   multi   line   bar   text   test "); 
 			bar.Items.Add( "This   is   multiline   item   caption   test ",0); 
 			bar.Items.Add( "For   some   reason   many   comercical   Outlook   bars   wont   do   it. ",0); 
 			bar.Items.Add( "Is   it   nicer   to   see   ... ",0);   
 			bar   =   outlookBar.Bars.Add( "决策分析 "); 
 			//bar.Caption= "123 "; 
 			//bar.Caption= "1234 "; 
 			bar.Items.Add( "2 ",0); 
 			//bar..Items.Add(new   Form2(wFrame1),1); 
 			bar.Items.Add( "3 ",2);   
 			bar   =   outlookBar.Bars.Add( "系统管理 "); 
 			//bar.Caption= "123 "; 
 			//bar.Caption= "1234 ";