private void 文件ToolStripMenuItem_Click(object sender, EventArgs e)
{
MessageBox.Show("打开测试");
//Close();
} private void button1_Click(object sender, EventArgs e)
{
//表示 System.Windows.Forms.MenuStrip 或 System.Windows.Forms.ContextMenuStrip 上显示的可选选项。 尽管 System.Windows.Forms.ToolStripMenuItem 替换了早期版本的 System.Windows.Forms.MenuItem 控件并添加了功能；但是也可选择保留 System.Windows.Forms.MenuItem 以备向后兼容和将来使用。
ToolStripMenuItem ms =(ToolStripMenuItem)menuStrip1.Items[];//获取菜单项
foreach (ToolStripItem item in ms.DropDownItems)
{
item.Enabled = true;
item.Font=new Font("楷体",,FontStyle.Bold);
}
} private void button2_Click(object sender, EventArgs e)
{
ToolStripMenuItem ms = (ToolStripMenuItem) menuStrip1.Items[];
foreach (ToolStripMenuItem item in ms.DropDownItems)
{
item.Enabled = false;
} } private void Form1_Load(object sender, EventArgs e)
{
//创建级联菜单 每一个菜单项都是一个ToolStripMnubItem对象
ToolStripMenuItem ms =(ToolStripMenuItem)menuStrip1.Items[];
ToolStripMenuItem ts1=new ToolStripMenuItem("关闭文件选项");
//ToolStripMenuItem ts2=new ToolStripMenuItem("关闭文件选项");
//ToolStripMenuItem ts3=new ToolStripMenuItem("关闭所有选项");
ToolStripMenuItem[]ts=new ToolStripMenuItem[]
{
new ToolStripMenuItem("关闭文件选项"),
new ToolStripMenuItem("关闭所有选项")
};
ms.DropDownItems.Add(ts1);
ms.DropDownItems.AddRange(ts);
}
MSDN:http://msdn.microsoft.com/zh-cn/library/vstudio/system.windows.forms.menustrip(v=vs.90).aspx
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO; namespace _274ContextMenuStrip
{
public partial class Form1 : Form
{
private string address;
public Form1()
{
InitializeComponent();
address = Environment.CurrentDirectory;//记录地址
}
private void 打开新窗体ToolStripMenuItem_Click(object sender, EventArgs e)
{
Form2 fm=new Form2();
fm.MdiParent = this;
fm.Show();
fm.Resize+=new EventHandler(f_Resize);
} void f_Resize(object sender,EventArgs e)
{
Form2 fm = (Form2)sender;//将Form2作为对象传进来
ToolStripMenuItem item = new ToolStripMenuItem();
for (int i = ; i < fm.contextMenuStrip1.Items.Count; )
{
item.DropDownItems.Add(fm.contextMenuStrip1.Items[i]);//添加鼠标右键
}
this.contextMenuStrip2.Items.AddRange(
new System.Windows.Forms.ToolStripItem[] { item }
);
}
private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show(sender.ToString());//测试验证 sender对象
} private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
{
Application.Exit();
} private void 关闭所有ToolStripMenuItem_Click(object sender, EventArgs e)
{ } private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
openFileDialog1.FileName = "*.jpg";//限定打开文件类型
openFileDialog1.ShowDialog();//弹出选择对话框
StreamWriter s=new StreamWriter(address+"\\History.ini",true);//初始化新实例
s.WriteLine(openFileDialog1.FileName);//写入
s.Flush();//清除流
s.Close();//关闭流
ShowWindows(openFileDialog1.FileName);
} private void ShowWindows(string fileName)
{
Image p = Image.FromFile(fileName);
Form f=new Form();
f.MdiParent = this;
f.BackgroundImage = p;
f.Show();
} private void Form1_Load(object sender, EventArgs e)
{
this.IsMdiContainer = true; 文件ToolStripMenuItem.DropDownItems[].Image = imageList1.Images[]; using (StreamReader sr = new StreamReader(address + "\\History.ini"))//创建流读取器对象
{
int i = 文件ToolStripMenuItem.DropDownItems.Count - ;//得到菜单项索引
while (sr.Peek() >= )//循环读取流中的文本
{
ToolStripMenuItem menuItem = new ToolStripMenuItem(sr.ReadLine());//创建菜单项对象
this.文件ToolStripMenuItem.DropDownItems.Insert(i, menuItem);//向菜单中添加新项
i++;//增加索引位置
menuItem.Click += new EventHandler(menuItem_Click);//添加单击事件
}
}
} private void menuItem_Click(object sender, EventArgs e)
{
ToolStripMenuItem menu = (ToolStripMenuItem) sender;
ShowWindows(menu.Text);
} private void acToolStripMenuItem_Click(object sender, EventArgs e)
{ } }
}