給窗體的任務欄右鍵菜單增加項目
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.Runtime.InteropServices;
namespace WindowsFormsApplication1
...{
public partial class Form1 : Form
...{
Class1 SkinClass = new Class1();
public Form1()
...{
InitializeComponent();
SetupSystemMenu();
}
[DllImport("user32.dll")]
private static extern int GetSystemMenu(int hwnd, int bRevert);
[DllImport("user32.dll")]
private static extern int AppendMenu(
int hMenu, int Flagsw, int IDNewItem, string lpNewItem);
private void SetupSystemMenu()
...{
// get handle to system menu
int menu = GetSystemMenu(this.Handle.ToInt32(), 0);
// add a separator
AppendMenu(menu, 0xA00, 0, null);
// add an item with a unique ID
AppendMenu(menu, 0, 1234, "跳至URL");
AppendMenu(menu, 0, 1235, "關於Html幫助");
}
protected override void WndProc(ref Message m)
...{
base.WndProc(ref m);
// WM_SYSCOMMAND is 0x112
if (m.Msg == 0x112)
...{
// check for my new menu item ID
if (m.WParam.ToInt32() == 1234)
...{
// show About box here...
MessageBox.Show("Btn One");
}
if (m.WParam.ToInt32() == 1235)
...{
// show About box here...
MessageBox.Show("Btn Two");
}
}
}
}
}