该例子能在鼠标移入按钮区域时使部分字符对象变色
代码如下：
//------------------------------------------------
// FormatTheButton.cs (c) 2006 by Charles Petzold
//------------------------------------------------
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
namespace Petzold.FormatTheButton
{
public class FormatTheButton : Window
{
Run runButton;
[STAThread]
public static void Main()
{
Application app = new Application();
app.Run(new FormatTheButton());
}
public FormatTheButton()
{
Title = "Format the Button";
// Create the Button and set as window content.
Button btn = new Button();
btn.HorizontalAlignment = HorizontalAlignment.Center;
btn.VerticalAlignment = VerticalAlignment.Center;
btn.MouseEnter += ButtonOnMouseEnter;
btn.MouseLeave += ButtonOnMouseLeave;
Content = btn;
// Create the TextBlock and set as button content.
TextBlock txtblk = new TextBlock();
txtblk.FontSize = 24;
txtblk.TextAlignment = TextAlignment.Center;
btn.Content = txtblk;
// Add formatted text to the TextBlock.
txtblk.Inlines.Add(new Italic(new Run("Click")));
txtblk.Inlines.Add(" the ");
txtblk.Inlines.Add(runButton = new Run("button"));
txtblk.Inlines.Add(new LineBreak());
txtblk.Inlines.Add("to launch the ");
txtblk.Inlines.Add(new Bold(new Run("rocket")));
}
void ButtonOnMouseEnter(object sender, MouseEventArgs args)
{
runButton.Foreground = Brushes.Red;
}
void ButtonOnMouseLeave(object sender, MouseEventArgs args)
{
runButton.Foreground = SystemColors.ControlTextBrush;
}
}
}
