C# 简单地在WinForm上放置一个有阴影边框的矩形面板

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace ShadowPanel
{
    public class ShadowPanel : Panel
    {
        private Color _panelColor;

        public Color PanelColor
        {
            get { return _panelColor; }
            set { _panelColor = value; }
        }

        private Color _borderColor;

        public Color BorderColor
        {
            get { return _borderColor; }
            set { _borderColor = value; }
        }

        private int shadowSize = 5;
        private int shadowMargin = 2;

        // static for good perfomance 
        static Image shadowDownRight = new Bitmap（typeof（ShadowPanel） “Images.tshadowdownrigh

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

     文件       7680  2009-01-31 19:23  ShadowPanel\bin\Debug\ShadowPanel.dll

     文件      13824  2009-01-31 19:23  ShadowPanel\bin\Debug\ShadowPanel.pdb

     目录          0  2009-01-31 19:23  ShadowPanel\bin\Debug

     文件      20480  2007-07-01 00:16  ShadowPanel\bin\Release\ShadowPanel.dll

     文件      13824  2007-07-01 00:16  ShadowPanel\bin\Release\ShadowPanel.pdb

     目录          0  2009-01-31 19:23  ShadowPanel\bin\Release

     目录          0  2009-01-31 19:23  ShadowPanel\bin

     文件        201  2007-06-11 13:06  ShadowPanel\Images\tshadowdown.png

     文件        219  2007-06-11 13:06  ShadowPanel\Images\tshadowdownleft.png

     文件        230  2007-06-11 13:06  ShadowPanel\Images\tshadowdownright.png

     文件        202  2007-06-11 13:06  ShadowPanel\Images\tshadowright.png

     文件        223  2007-06-11 13:06  ShadowPanel\Images\tshadowtopright.png

     目录          0  2009-01-31 19:23  ShadowPanel\Images

     文件      16384  2007-06-11 13:31  ShadowPanel\obj\Debug\Refactor\ShadowPanel.dll

     目录          0  2009-01-31 19:23  ShadowPanel\obj\Debug\Refactor

     文件        770  2009-01-31 19:23  ShadowPanel\obj\Debug\ShadowPanel.csproj.FileListAbsolute.txt

     文件       7680  2009-01-31 19:23  ShadowPanel\obj\Debug\ShadowPanel.dll

     文件      13824  2009-01-31 19:23  ShadowPanel\obj\Debug\ShadowPanel.pdb

     目录          0  2009-01-31 19:23  ShadowPanel\obj\Debug\TempPE

     目录          0  2009-01-31 19:23  ShadowPanel\obj\Debug

     文件      20480  2007-07-01 00:16  ShadowPanel\obj\Release\ShadowPanel.dll

     文件        201  2007-06-11 13:06  ShadowPanel\obj\Release\ShadowPanel.Images.tshadowdown.png

     文件        219  2007-06-11 13:06  ShadowPanel\obj\Release\ShadowPanel.Images.tshadowdownleft.png

     文件        230  2007-06-11 13:06  ShadowPanel\obj\Release\ShadowPanel.Images.tshadowdownright.png

     文件        202  2007-06-11 13:06  ShadowPanel\obj\Release\ShadowPanel.Images.tshadowright.png

     文件        223  2007-06-11 13:06  ShadowPanel\obj\Release\ShadowPanel.Images.tshadowtopright.png

     文件      13824  2007-07-01 00:16  ShadowPanel\obj\Release\ShadowPanel.pdb

     目录          0  2009-01-31 19:23  ShadowPanel\obj\Release\TempPE

     目录          0  2009-01-31 19:23  ShadowPanel\obj\Release

     文件        414  2007-08-21 14:23  ShadowPanel\obj\ShadowPanel.csproj.FileList.txt

............此处省略57个文件信息