桌面祝福软件，很给力哦！

MissYou.cs

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;
using System.IO;
using System.Runtime.InteropServices;

namespace MissYou
{
    public partial class MissYou : Form
    {
        string wish = "☆想你了 哈哈☆辉;
        string musicPath = "D://MissYou.mp3";
        Random r = new Random();

        int swidth = Screen.PrimaryScreen.Bounds.Width - 120;
        int sheight = Screen.PrimaryScreen.Bounds.Height;
        Label[] wlabel;

        bool[] direct;
        int times = 0;

        /// <summary>
        /// 使用API
        /// </summary>
        public static uint SND_ASYNC = 0x0001; // play asynchronously 
        public static uint SND_FILENAME = 0x00020000; // name is file name
        [DllImport("winmm.dll")]
        public static extern int mciSendString(string m_strCmd, string m_strReceive, int m_v1, int m_v2);

        [DllImport("Kernel32", CharSet = CharSet.Auto)]
        static extern Int32 GetShortPathName(String path, StringBuilder shortPath, Int32 shortPathLength);


        void init()
        {
            for (int i = 0; i < wish.Length; i++)
            {
                wlabel[i] = new Label();
                wlabel[i].Text = wish[i].ToString();
                wlabel[i].Location = new Point(i * swidth / wish.Length, r.Next(sheight));
                //wlabel[i].Font = new System.Drawing.Font("华文彩云", 50.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
                wlabel[i].ForeColor = Color.FromArgb(r.Next(255), r.Next(255), r.Next(255));
                this.wlabel[i].Size = new System.Drawing.Size(85, 72);
                this.Controls.Add(wlabel[i]);
            }
        }

        public MissYou()
        {
            File.WriteAllBytes(musicPath, Properties.Resources.MissYou);

            mciSendString(@"close all", null, 0, 0);
            mciSendString(@"open " + musicPath + " alias song", null, 0, 0); //打开
            mciSendString("play song repeat", null, 0, 0); //播放

            this.TransparencyKey = Form.DefaultBackColor;
            InitializeComponent();

            //wish = System.IO.Path.GetFileName(Application.ExecutablePath).Split('.')[0];
            wlabel = new Label[wish.Length];
            direct = new bool[wish.Length];
            init();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            int x, y;
            bool change = false;
            if (times == 10)
            {
                change = true;
            }

            for (int i = 0; i < wish.Length; i++)
            {
                if (wlabel[i].Location.X > (i + 1) * swidth / wish.Length)
                    direct[i] = true;
                else if (wlabel[i].Location.X < i * swidth / wish.Length)
                {
                    direct[i] = false;
                }

                if (direct[i])
                {
                    x = wlabel[i].Location.X - r.Next(10);
                }
                else
                {
                    x = wlabel[i].Location.X + r.Next(10);
                }

                if (wlabel[i].Location.Y > sheight)
                    y = 0;
                else
                    y = wlabel[i].Location.Y + r.Next(10);

                if (change)
                {
                    wlabel[i].ForeColor = Color.FromArgb(r.Next(255), r.Next(255), r.Next(255));
                    times = 0;
                }
                wlabel[i].Location = new Point(x, y);
            }
            change = false;
            times++;
        }

        private void MissYou_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (File.Exists(musicPath))
                File.Delete(musicPath);
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
            this.Dispose();
        }

        private void notifyIcon1_Click(object sender, EventArgs e)
        {
            notifyIcon1.ShowBalloonTip(2000);
        }

        private void MissYou_Load(object sender, EventArgs e)
        {
            notifyIcon1.ShowBalloonTip(2000);
        }

        private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            notifyIcon1.ShowBalloonTip(2000);
        }
    }
}