5.5.txt

《Microsoft Visual C# .NET 2003开发技巧大全》源代码

Listing 5.5 Creating Event Handlers
class Class1
{
[STAThread]
static void Main(string[] args)
{
ConsoleMenu menu = new ConsoleMenu();
menu.AddMenuItem( “Item 1” );
menu.AddMenuItem( “Item 2” );
menu.AddMenuItem( “Item 3” );
menu.AddMenuItem( “Quit” );
menu.OnMenuEvent += new
ConsoleMenu.MenuEventHandler(MenuItemHandler);
menu.DisplayMenu();
}
static void MenuItemHandler( object sender, string[] args )
{
switch( Int32.Parse( args[0].ToString() ))
{
case( 1 ):
case( 2 ):
case( 3 ):
{
Console.WriteLine( “You selected the item {0}\n”, args[1] );
break;
}
case( 4 ):
{
Console.WriteLine( “Goodbye!” );
((ConsoleMenu)sender).QuitMenu();
break;
}
}
}
}