winform右键菜单

 1 public partial class Form1 : Form  
 2     {  
 3         ContextMenuStrip cms;  
 4         Bitmap bm ;  
 5         public Form1()  
 6         {  
 7             InitializeComponent();  
 8         }  
 9         private void Form1_MouseDown(object sender, MouseEventArgs e)  
10         {  
11               
12             if (e.Button == MouseButtons.Right)  
13             {  
14                 if (cms.Items.Count > 0)  
15                 {  
16                     cms.Items.Clear();  
17                 }  
18                 //带图表项  
19                 cms.Items.Add("tubiao",bm,new EventHandler(tubiao_Handler));  
20                 cms.Items.Add("mouseright1");  
21                 cms.Items.Add("-");  
22                 cms.Items.Add("mouseright2");  
23                 cms.Items.Add("-");  
24                 cms.Items.Add("mouseright3");  
25             }  
26             else 
27             {  
28                 return;  
29             }  
30             //处理显示位置  
31             int w= Width-e.X;  
32             if (w < cms.Width)  
33             {  
34                 cms.Show(this, e.X - cms.Width, e.Y);  
35             }  
36             else 
37             {  
38                 cms.Show(this,e.X,e.Y);  
39             }  
40  
41         }  
42         public void tubiao_Handler(object sender, EventArgs e)  
43         {  
44             MessageBox.Show("this is tubiao", "tubiao", MessageBoxButtons.YesNo);  
45         }  
46         private void Form1_Load(object sender, EventArgs e)  
47         {  
48             cms = new ContextMenuStrip();  
49             bm = new Bitmap("Resources/Icon1.ico");//图标存放位置  
50         }  
51     }
posted on 2014-04-24 16:56 韩聪阅读(822) 评论(0) 收藏举报