C# 画梅花（基于System.Drawing）

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 PtechClassLibrary;//引用命名空间

namespace DrawPeachBlossom
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }

        int flag = 0;//定义一个标识，用来标识画桃花的哪个部分
        Class1 myclass = new Class1（）;//创建类库中Class1类的对象

        private void pictureBox2_Click（object sender EventArgs e）
        {
            flag = 0;//标识绘制花骨朵
        }

        private void pictureBox3_Click（object sender EventArgs e）
        {
            flag = 1;//标识绘制花蕾
        }

        private void pictureBox4_Click（object sender EventArgs e）
        {
            flag = 2;//标识绘制开花效果
        }

        private void pictureBox1_MouseClick（object sender MouseEventArgs e）
        {
            myclass.DrawPic（e flag pictureBox1）;//调用类库中的DrawPic方法绘制桃花
        }
    }
}

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

    ..A..H.     50688  2019-02-26 19:48  DrawPeachBlossom\.vs\DrawPeachBlossom\v15\.suo

     文件          0  2019-02-26 19:48  DrawPeachBlossom\.vs\DrawPeachBlossom\v15\Server\sqlite3\db.lock

     文件       4096  2019-02-26 19:48  DrawPeachBlossom\.vs\DrawPeachBlossom\v15\Server\sqlite3\storage.ide

     文件      32768  2019-02-26 19:48  DrawPeachBlossom\.vs\DrawPeachBlossom\v15\Server\sqlite3\storage.ide-shm

     文件    1322552  2019-02-26 19:48  DrawPeachBlossom\.vs\DrawPeachBlossom\v15\Server\sqlite3\storage.ide-wal

     文件        144  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\app.config

     文件       1717  2009-07-07 13:31  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\1.gif

     文件       1051  2009-07-07 13:31  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\2.gif

     文件       1463  2009-07-07 13:31  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\3.gif

     文件     307200  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\DrawPeachBlossom.exe

     文件        144  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\DrawPeachBlossom.exe.config

     文件      24064  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\DrawPeachBlossom.pdb

     文件      22472  2014-05-23 09:00  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\DrawPeachBlossom.vshost.exe

     文件        144  2014-05-23 09:00  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\DrawPeachBlossom.vshost.exe.config

     文件        490  2012-06-06 02:06  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\DrawPeachBlossom.vshost.exe.manifest

     文件       5120  2014-05-23 09:05  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\PtechClassLibrary.dll

     文件      11776  2014-05-23 09:05  DrawPeachBlossom\DrawPeachBlossom\bin\Debug\PtechClassLibrary.pdb

     文件       4557  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\DrawPeachBlossom.csproj

     文件       1184  2014-05-23 09:11  DrawPeachBlossom\DrawPeachBlossom\Form1.cs

     文件       8157  2009-07-09 16:56  DrawPeachBlossom\DrawPeachBlossom\Form1.Designer.cs

     文件     229087  2009-07-09 16:56  DrawPeachBlossom\DrawPeachBlossom\Form1.resx

     文件       8067  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件          0  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.csproj.CopyComplete

     文件         42  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.csproj.CoreCompileInputs.cache

     文件       5320  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.csproj.FileListAbsolute.txt

     文件        939  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.csproj.GenerateResource.cache

     文件      65478  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.csprojAssemblyReference.cache

     文件       1739  2014-05-19 15:53  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.csprojResolveAssemblyReference.cache

     文件     307200  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.exe

     文件     149121  2019-02-26 19:48  DrawPeachBlossom\DrawPeachBlossom\obj\Debug\DrawPeachBlossom.Form1.resources

............此处省略70个文件信息