c# .net 如何為MENU菜單加圖片

方法1：

需要使用到API  
  首先:   using   System.Runtime.InteropServices;  
  然後:    
  [DllImport("user32",EntryPoint="SetMenuItemBitmaps")]  
  private   static   extern   int   SetMenuItemBitmaps   (IntPtr   hMenu,   int   nPosition,   int   wFlags,   IntPtr   hBitmapUnchecked,   IntPtr   hBitmapChecked);  
  最後在Form_Load時:  
  Bitmap bitmap = new   Bitmap("c:\\icon.ico");  
  int   MF_BYPOSITION   =   0x0400;  
  SetMenuItemBitmaps(menuFile.Handle,0,MF_BYPOSITION,bitmap.GetHbitmap(System.Drawing.Color.White),bitmap.GetHbitmap(System.Drawing.Color.White));  
   
  注:此表徵圖我為白色底，如果為紅色底的則使用   System.Drawing.Color.Red;  
  以此類推，就OK了。  

方法2：

用.net也可以做出來的，方法如下：   
      ///   <summary>  
      ///   繪製功能表項目   XP   風格  
      ///   </summary>  
      ///   <param   name="e">繪製菜單事件</param>  
      ///   <param   name="unSelectBackColor">未選擇時背景色</param>  
      ///   <param   name="selectBackColor">選擇時背景色</param>  
      ///   <param   name="selectBackColorEnd">選擇時背景過渡色,如果沒有請用透明色</param>  
      ///   <param   name="unSelectForeColor">未選擇時前景色彩</param>  
      ///   <param   name="selectForeColor">選擇時前景色彩</param>  
      ///   <param   name="menuRect">菜單矩框大小</param>  
      ///   <param   name="imgMenu">整個菜單左邊的圖片</param>  
      ///   <param   name="iconMenu">功能表項目表徵圖</param>  
      ///   <param   name="iconTranColor">功能表項目表徵圖之透明色</param>  
      ///   <param   name="sMenuItemWord">功能表項目文字</param>  
      private   void   DrawMenuItem(DrawItemEventArgs   e,   Color   unSelectBackColor,Color   selectBackColor,Color   selectBackColorEnd,Color   unSelectForeColor,Color   selectForeColor,Image   imgMenu,Image   iconMenu,Color   iconTranColor,String   sMenuItemWord)  
      {  
        Bitmap   iconBitMapMenu   =   new   Bitmap(iconMenu);  
        iconBitMapMenu.MakeTransparent(iconTranColor);  
        Rectangle   rectMenu   =   e.Bounds;  
         
        Brush   selectBackBrush   =   new   System.Drawing.SolidBrush(selectBackColor);  
        Brush   unSelectBackBrush   =   new   System.Drawing.SolidBrush(unSelectBackColor);  
        Brush   selectForeBrush   =   new   System.Drawing.SolidBrush(selectForeColor);  
        Brush   unSelectForeBrush   =   new   System.Drawing.SolidBrush(unSelectForeColor);  
         
        if(e.State   ==   DrawItemState.NoAccelerator)  
        {  
          e.Graphics.FillRectangle(unSelectBackBrush,rectMenu);  
          e.Graphics.DrawString(sMenuItemWord,this.Font,unSelectForeBrush,rectMenu.X+40,rectMenu.Y+4);  
          e.Graphics.DrawImageUnscaled(iconBitMapMenu,rectMenu.X+22,rectMenu.Y+2,iconMenu.Width,iconMenu.Height);  
        }  
        else  
        {  
          if(selectBackColorEnd   !=   Color.Transparent)  
            selectBackBrush   =   new   System.Drawing.Drawing2D.LinearGradientBrush(rectMenu,selectBackColor,selectBackColorEnd,0F);  
         
          e.Graphics.FillRectangle(selectBackBrush,rectMenu);  
          e.Graphics.DrawString(sMenuItemWord,this.Font,selectForeBrush,rectMenu.X+40,rectMenu.Y+4);  
          e.Graphics.FillRectangle(System.Drawing.Brushes.WhiteSmoke,rectMenu.X+20,rectMenu.Y,20,20);//表徵圖背景  
          e.Graphics.DrawImageUnscaled(iconBitMapMenu,rectMenu.X+2+20,rectMenu.Y+2,imgMenu.Width,imgMenu.Height);//表徵圖  
        }  
        e.Graphics.DrawImageUnscaled(imgMenu,0,0);  
      }  
   
  //不過，您要在調用前設Menu的OwnerDraw=true才行哦。以下是調用方法:  
  private   void   menuExit_DrawItem(object   sender,   DrawItemEventArgs   e)  
  {  
    DrawMenuItem(e,Color.WhiteSmoke,Color.DeepSkyBlue,Color.White,Color.Black,Color.Black,picMenu.Image,imageList.Images[2],Color.White,"退出");  
    }  
  private   void   menuExit_MeasureItem(object   sender,   MeasureItemEventArgs   e)  
  {  
    e.ItemWidth = 150;  
    e.ItemHeight = 20;  
  }