71 wpf btn

 

 

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;

namespace SayHello
{
    class FormatTheButton:Window
    {
        private Run runbutton;
        [STAThread]
        public static void Main()
        {
            Application app = new Application();
            app.Run(new FormatTheButton());
          
        }
        public FormatTheButton()
        {
            Title = "Format The Button";
          Button btn=new Button();
            btn.HorizontalAlignment=HorizontalAlignment.Center;
            btn.VerticalAlignment=VerticalAlignment.Center;
            btn.MouseEnter+=ButtonOnMouseEnter;
            btn.MouseLeave+=ButtonOnMouseLeave;
         
           Content = btn;

            TextBlock txtblk=new TextBlock();
            txtblk.FontSize = 24;
            txtblk.TextAlignment=TextAlignment.Center;
            btn.Content = txtblk;
           
            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 lauch 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;//不知道這行代碼什麼意思
        }
    }
}