Graphics绘图，画矩形，长方形

绘图，画矩形，长方形

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

namespace WindowsFormsApplication1
{
    public delegate void DrawMeHandler（Graphics g）;
    public delegate void MouseMoveHandler（Point p）;
    public partial class Canvas : UserControl
    {
        RectangleFigure rectangleFigure = new RectangleFigure（）;
        DrawMeHandler drawMeHandler;
        MouseMoveHandler mouseMoveHandler;
        public Canvas（）
        {
            InitializeComponent（）;
            this.DoubleBuffered = true;
            this.Paint += Canvas_Paint;
            this.Load += Canvas_Load;
            this.MouseMove += Canva

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

    ..A..H.     57344  2019-03-18 17:09  WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\.suo

     文件        189  2019-03-18 17:10  WindowsFormsApplication1\WindowsFormsApplication1\App.config

     文件     181032  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\de\DevExpress.Data.v16.1.resources.dll

     文件      13096  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\de\DevExpress.Pdf.v16.1.Core.resources.dll

     文件      14120  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\de\DevExpress.Printing.v16.1.Core.resources.dll

     文件      12072  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\de\DevExpress.Sparkline.v16.1.Core.resources.dll

     文件      26408  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\de\DevExpress.Utils.v16.1.resources.dll

     文件     105768  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\de\DevExpress.XtraEditors.v16.1.resources.dll

     文件    5357864  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Data.v16.1.dll

     文件    1173004  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Data.v16.1.xml

     文件    1312552  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Pdf.v16.1.Core.dll

     文件     278637  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Pdf.v16.1.Core.xml

     文件    3905832  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Printing.v16.1.Core.dll

     文件    1281899  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Printing.v16.1.Core.xml

     文件      78632  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Sparkline.v16.1.Core.dll

     文件      25581  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Sparkline.v16.1.Core.xml

     文件    8528680  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Utils.v16.1.dll

     文件     779733  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.Utils.v16.1.xml

     文件    4893480  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.XtraEditors.v16.1.dll

     文件    2219439  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevExpress.XtraEditors.v16.1.xml

     文件     183080  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\es\DevExpress.Data.v16.1.resources.dll

     文件      17192  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\es\DevExpress.Pdf.v16.1.Core.resources.dll

     文件      14120  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\es\DevExpress.Printing.v16.1.Core.resources.dll

     文件      14120  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\es\DevExpress.Sparkline.v16.1.Core.resources.dll

     文件      26408  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\es\DevExpress.Utils.v16.1.resources.dll

     文件      82216  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\es\DevExpress.XtraEditors.v16.1.resources.dll

     文件     194856  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\ja\DevExpress.Data.v16.1.resources.dll

     文件      10536  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\ja\DevExpress.Pdf.v16.1.Core.resources.dll

     文件      14120  2017-07-11 08:40  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\ja\DevExpress.Printing.v16.1.Core.resources.dll

     文件      11048  2017-07-11 08:41  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\ja\DevExpress.Sparkline.v16.1.Core.resources.dll

............此处省略67个文件信息