GoldFishProject 游动的金鱼 不规则窗口学习项目

非常好的关于不规则窗口的学习资料，项目效果是创建一条游动的金鱼，在屏幕上运动，窗口是不规则的并且带有部分半透明效果。

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace RotateTransformDemo
{
    public partial class FishForm : Form
    {
        Point oldPoint = new Point（0 0）;
        bool mouseDown = false;
        bool haveHandle = false;
        Timer timerSpeed = new Timer（）;
        int MaxCount = 50;
        float stepX = 2f;
        float stepY = 0f;
        int count = 0;
        bool speedMode = false;
        float left = 0f top = 0f;

        bool toRight = true;
        int frameCount = 20;
        int frame = 0; 
        int frameWidth = 100;
        int frameHeight = 100; 

        public FishForm（）
        {
            InitializeComponent（）;
            this.TopMost = true;
            toRight = true;
            frame = 20;
            frame = 0;
            frameWidth = FullImage.Width / 20;
            frameHeight = FullImage.Height;
            left = -frameWidth;
            top = Screen.PrimaryScreen.WorkingArea.Height / 2f;

            timerSpeed.Interval = 50;
            timerSpeed.Enabled = true;
            timerSpeed.Tick += new EventHandler（timerSpeed_Tick）;

            this.DoubleClick += new EventHandler（Form2_DoubleClick）;
            this.MouseDown += new MouseEventHandler（Form2_MouseDown）;
            this.MouseUp += new MouseEventHandler（Form2_MouseUp）;
            this.MouseMove += new MouseEventHandler（Form2_MouseMove）;
        }

        #region Override

        protected override void OnClosing（CancelEventArgs e）
        {
            e.Cancel = true;
            base.OnClosing（e）;
            haveHandle = false;
        }

        protected override void OnHandleCreated（EventArgs e）
        {
            Initializestyles（）;
            base.OnHandleCreated（e）;
            haveHandle = true;
        }

        protected override CreateParams CreateParams
        {
            get
            {
                CreateParams cParms = base.CreateParams;
                cParms.Exstyle |= 0x00080000; // WS_EX_layerED
                return cParms;
            }
        }

        #endregion

        void Form2_MouseUp（object sender MouseEventArgs e）
        {
            count = 0;
            MaxCount = new Random（）.Next（70） + 40;
            timerSpeed.Interval = new Random（）.Next（20） + 2;
            speedMode = true;
            mouseDown = false;
        }

        private void Initializestyles（）
        {
            Setstyle（Controlstyles.AllPaintingIn

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件     462336  2017-03-27 21:13  GoldFishProject\bin\Debug\RotateTransformDemo.exe

     文件      28160  2017-03-27 21:13  GoldFishProject\bin\Debug\RotateTransformDemo.pdb

     文件      21680  2017-04-09 20:23  GoldFishProject\bin\Debug\RotateTransformDemo.vshost.exe

     文件        490  2016-07-16 19:44  GoldFishProject\bin\Debug\RotateTransformDemo.vshost.exe.manifest

     文件       7861  2008-09-09 17:00  GoldFishProject\FishForm.cs

     文件       2035  2008-09-09 16:59  GoldFishProject\FishForm.Designer.cs

     文件       5814  2008-09-08 20:36  GoldFishProject\FishForm.resx

     文件     861793  2017-03-24 21:32  GoldFishProject\GoldFish.rar

     文件       3753  2017-03-27 21:12  GoldFishProject\GoldFishProject.csproj

     文件       6283  2017-03-27 21:12  GoldFishProject\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件        813  2017-04-09 20:23  GoldFishProject\obj\Debug\GoldFishProject.csproj.FileListAbsolute.txt

     文件        927  2017-03-27 21:13  GoldFishProject\obj\Debug\GoldFishProject.csproj.GenerateResource.Cache

     文件       1340  2017-03-27 21:13  GoldFishProject\obj\Debug\GoldFishProject.csprojResolveAssemblyReference.cache

     文件     462336  2017-03-27 21:13  GoldFishProject\obj\Debug\RotateTransformDemo.exe

     文件        180  2017-03-27 21:13  GoldFishProject\obj\Debug\RotateTransformDemo.FishForm.resources

     文件      28160  2017-03-27 21:13  GoldFishProject\obj\Debug\RotateTransformDemo.pdb

     文件     449405  2017-03-27 21:13  GoldFishProject\obj\Debug\RotateTransformDemo.Properties.Resources.resources

     文件       4096  2017-03-27 21:12  GoldFishProject\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        885  2008-09-09 16:59  GoldFishProject\Program.cs

     文件        657  2008-09-09 17:02  GoldFishProject\Properties\AssemblyInfo.cs

     文件       3612  2017-03-27 21:12  GoldFishProject\Properties\Resources.Designer.cs

     文件       6435  2008-09-08 19:44  GoldFishProject\Properties\Resources.resx

     文件       1119  2017-03-27 21:12  GoldFishProject\Properties\Settings.Designer.cs

     文件        249  2008-09-08 15:19  GoldFishProject\Properties\Settings.settings

     文件     205721  2008-09-08 18:40  GoldFishProject\Resources\Left.png

     文件     204894  2008-09-08 18:40  GoldFishProject\Resources\Right.png

     文件       2783  2008-09-09 16:59  GoldFishProject\Win32.cs

     目录          0  2017-03-27 21:12  GoldFishProject\obj\Debug\TempPE

     目录          0  2017-04-09 20:22  GoldFishProject\bin\Debug

     目录          0  2017-03-27 21:12  GoldFishProject\bin\Release

............此处省略9个文件信息