8.7.txt

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

Listing 8.7 Using Tag for Custom Data
private void toolBar1_ButtonClick(object sender,
System.Windows.Forms.ToolBarButtonClickEventArgs e)
{
switch( e.Button.Tag.ToString() )
{
case( “New” ):
{
richTextBox1.Clear();
break;
}
case( “Open” ):
{
if( openFileDialog1.ShowDialog() == DialogResult.Cancel )
return;
richTextBox1.Clear();
richTextBox1.LoadFile( openFileDialog1.FileName );
break;
}
case( “Cut” ):
{
richTextBox1.Cut();
break;
}
case( “Copy” ):
{
richTextBox1.Copy();
break;
}
case( “Paste” ):
{
richTextBox1.Paste();
break;
}
default:
{
break;
}
}
}