C# 如何实现带消息数的App图标

　　上次写了一篇博文,但是每次更新图标时,桌面会闪烁(刷新),有博友说人家的图标都不会刷新,还能动画.我想了一下,如果要达到这个效果,可以用Form来实现,就是在Form中嵌入一个图片,然后用一个label来动态显示消息数,关键是将Form的边框隐藏,背景设为透明即可.如果要有旋转或者缩放动画,都可以用C#来实现.

 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;

 namespace AOPDemo
 {
     public partial class AppIconMsg : Form
     {
         public AppIconMsg()
         {
             InitializeComponent();
             //设置背景为透明
             this.BackColor = Color.FromArgb(, , );
             this.TransparencyKey = this.BackColor;  

         }

         private void AppIconMsg_Load(object sender, EventArgs e)
         {
             this.Width = ;
             this.Height = ;
             this.label1.Text = "";
             this.timer1.Enabled = true;

         }

         // Drag it around the screen
         private const int WM_NCHITTEST = 0x84;
         private const int HTCAPTION = 0x2;
         protected override void WndProc(ref Message m)
         {
             //Disable mouseDoubleClick on form
             if (m.Msg == WM_LBUTTONDBLCLK)
             {
                 Form2 frm = new Form2(msg);
                 frm.Show();
                 //this.Close();
                 return;
             }

             if (m.Msg == WM_NCLBUTTONDBLCLK)
             {
                 Form2 frm = new Form2(msg);
                 frm.Show();
                // this.Close();
                 return;
             }

             //drag
             if (m.Msg == WM_NCHITTEST)
                 m.Result = new IntPtr(HTCAPTION);
             else
                 base.WndProc(ref m);
         }
         private int msg = ;
         private void timer1_Tick(object sender, EventArgs e)
         {
             int num = new Random().Next(, );
             msg = num;
             this.label1.Text = num.ToString();
         }

         const int WM_LBUTTONDBLCLK = 0x0203;//client area
         const int WM_NCLBUTTONDBLCLK = 0x00A3;//non-client area
         private void toolStripExit_Click(object sender, EventArgs e)
         {
             this.Close();
         }

     }
 }