首先声明，我是一个菜鸟。一下文章中出现技术误导情况盖不负责

/*  * ============================================= * Wrote By Deboy Wang @ 2013/5/3 * If you have any question , * pls contact me with email: deboywang@126.com * Copyright 2013  * =============================================*/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;namespace D8DentistryMS{    /// 
    /// 牙科诊所管理软件中许也会应用的标记牙问题的自定义控件    /// 本控件可以示表恒牙，也可以示表乳牙    /// 用户可以通过鼠标点击来 选中或者取消选中 牙齿    ///     /// 在牙科标记方法中，将人的牙齿标记如下：    ///     /// 成年人牙齿（恒牙）    /// 第一象限                                 第二象限    /// 18 17 16 15 14 13 12 11 | 21 22 23 24 25 26 27 28    /// -------------------------------------------------    /// 48 47 46 45 44 43 42 41 | 31 32 33 34 35 36 37 38    /// 第四象限                                 第三象限    ///     /// 婴幼儿牙齿（乳牙）    /// 第一象限               第二象限    /// 55 54 53 52 51 | 61 62 63 64 65    /// -------------------------------    /// 85 84 83 82 81 | 71 72 73 74 75    /// 第四象限               第三象限    /// 
    public class Teeth : Control    {        #region  自定义段字        private Color _SelectedColor = Color.OrangeRed;        private ToothType _TeethType = ToothType.AdultTeeth;        private float BUTTON_WIDTH = 10f;        private float BUTTON_HEIGHT = 12f;        private List
    
      _SelectedTeeth = new List
     
      ();#endregion                #region  自定义属性        /// 
      
        /// 用户点击择选牙齿的时候，被选中牙齿的色颜        /// 
        [Browsable(true), Category("Appearance")]        public Color SelectedColor        {            get { return _SelectedColor; }            set { _SelectedColor = value; }        }        /// 
      
        /// 设置或者获得 牙齿类型：恒牙 或 乳牙        /// 
        [Browsable(true), Category("Appearance"),DefaultValue(ToothType.AdultTeeth)]        public ToothType TeethType        {            get { return _TeethType; }            set {                if (_TeethType != value)                {                    _TeethType = value;                    _SelectedTeeth.Clear();                }            }        }        /// 
      
        /// 设置或者获得 用户选中的牙齿编号        /// 
        [Browsable(true), Category("Data")]        public List
      
        SelectedTeeth        {            get            {                return _SelectedTeeth;            }            set            {                _SelectedTeeth = value;                this.Refresh();            }        }        #endregion        #region 写重控件事件        /// 
       
        /// 写重系统的Paint事件处理法方，实现牙齿列排图形和编号的制绘        /// 
        /// 
               protected override void OnPaint(PaintEventArgs pe)        {            if (this.Parent != null)                this.BackColor = Color.White;            Brush defaultb = new SolidBrush(Color.LightGray);            Brush selectedb = new SolidBrush(Color.White);            if (this.TeethType == ToothType.AdultTeeth)            {                #region 成年人牙齿列排                for (int i = 1; i < 9; i++)                {                    //第二象限                    if (this._SelectedTeeth.Contains(20 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(80 + BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(80 + BUTTON_WIDTH * i, 2));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(80 + BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(80 + BUTTON_WIDTH * i, 2));                    }                    //第三象限                    if (this._SelectedTeeth.Contains(30 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(80 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(80 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(80 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(80 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT));                    }                }                for (int i = 8; i > 0; i--)                {                    //第一象限                    if (this._SelectedTeeth.Contains(10 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(82 - BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(82 - BUTTON_WIDTH * i, 2));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(82 - BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(82 - BUTTON_WIDTH * i, 2));                    }                    //第四象限                    if (this._SelectedTeeth.Contains(40 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(82 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(82 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(82 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(82 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT));                    }                }                pe.Graphics.DrawLine(new Pen(Brushes.Gray, 1), new Point(2, 15), new Point(170, 15));                pe.Graphics.DrawLine(new Pen(Brushes.Gray, 1), new Point(85, 2), new Point(85, 28));                #endregion            }            else            {                #region 婴幼儿牙齿列排                for (int i = 1; i < 6; i++)                {                    #region 第二象限                    if (this._SelectedTeeth.Contains(60 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(50 + BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(50 + BUTTON_WIDTH * i, 2));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(50 + BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(50 + BUTTON_WIDTH * i, 2));                    }                    #endregion                    #region 第三象限                    if (this._SelectedTeeth.Contains(70 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(50 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(50 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(50 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(50 + BUTTON_WIDTH * i, 6 + BUTTON_HEIGHT));                    }                    #endregion                }                for (int i = 5; i > 0; i--)                {                    #region 第一象限                    if (this._SelectedTeeth.Contains(50 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(52 - BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(52 - BUTTON_WIDTH * i, 2));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(52 - BUTTON_WIDTH * i, 2, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(52 - BUTTON_WIDTH * i, 2));                    }                    #endregion                    #region 第四象限                    if (this._SelectedTeeth.Contains(80 + i))                    {                        pe.Graphics.FillRectangle(new SolidBrush(_SelectedColor), new RectangleF(52 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, selectedb, new PointF(52 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT));                    }                    else                    {                        pe.Graphics.FillRectangle(new SolidBrush(this.BackColor), new RectangleF(52 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT));                        pe.Graphics.DrawString(i.ToString(), Font, defaultb, new PointF(52 - BUTTON_WIDTH * i, 6 +    BUTTON_HEIGHT));                    }                    #endregion                }                pe.Graphics.DrawLine(new Pen(Brushes.Gray, 1), new Point(2, 15), new Point(110, 15));                pe.Graphics.DrawLine(new Pen(Brushes.Gray, 1), new Point(55, 2), new Point(55, 28));                #endregion            }            base.OnPaint(pe);        }        /// 
       
        /// 写重系统的 OnMouseClick 事件处理法方，实现选中牙齿编号获得和设置        /// 
        /// 
               protected override void OnMouseClick(MouseEventArgs e)        {            // MessageBox.Show(GetClickNumber(e.Location).ToString());            int number = GetClickNumber(e.Location);            if (this._SelectedTeeth.Contains(number))            {                this._SelectedTeeth.Remove(number);            }            else            {                this._SelectedTeeth.Add(number);            }            this.Refresh();            base.OnMouseClick(e);        }        /// 
       
        /// 根据用户鼠标点击位置，获得牙齿编号        /// 
        /// 
               /// 
               protected int GetClickNumber(Point p)        {            int no = 0;            if (this.TeethType == ToothType.AdultTeeth)            {                if (p.Y < 15 && p.X < 90)                {                    no = 1 * 10 + (90 - p.X) / 10;                }                if (p.Y < 15 && p.X > 80)                {                    no = 2 * 10 + (p.X - 80) / 10;                }                if (p.Y > 15 && p.X > 80)                {                    no = 3 * 10 + (p.X - 80) / 10;                }                if (p.Y > 15 && p.X < 90)                {                    no = 4 * 10 + (90 - p.X) / 10;                }                if (no % 10 < 9 && no % 10 > 0)                    return no;                else                    return -1;            }            else            {                if (p.Y < 15 && p.X < 60)                {                    no = 5 * 10 + (60 - p.X) / 10;                }                if (p.Y < 15 && p.X > 50)                {                    no = 6 * 10 + (p.X - 50) / 10;                }                if (p.Y > 15 && p.X > 50)                {                    no = 7 * 10 + (p.X - 50) / 10;                }                if (p.Y > 15 && p.X < 60)                {                    no = 8 * 10 + (60 - p.X) / 10;                }                if (no % 10 < 6 && no % 10 > 0)                    return no;                else                    return -1;            }        }        #endregion        #region 组件设计器生成的代码        /// 
       
        /// 必需的设计器变量。        /// 
        private System.ComponentModel.IContainer components = null;        /// 
       
        /// 清理所有正在应用的资源。        /// 
        /// 
       如果应释放托管资源，为 true；否则为 false。        protected override void Dispose(bool disposing)        {            if (disposing && (components != null))            {                components.Dispose();            }            base.Dispose(disposing);        }                /// 
       
        /// 默认构造函数        /// 
        public Teeth()        {            InitializeComponent();            //设置控件初始大小            this.Width = 170;            this.Height = 30;        }        /// 
       
        /// 设计器支持所需的法方 - 不要        /// 应用代码编辑器修改此法方的内容。        /// 
        private void InitializeComponent()        {            components = new System.ComponentModel.Container();        }        #endregion           }    /// 
       
    /// 牙齿类型    /// 
    public enum ToothType    {        /// 
       
        /// 儿童乳牙        /// 
        BabyTeeth,        /// 
       
        /// 成年人恒牙        /// 
        AdultTeeth    }}
      
     
    

    每日一道理

书，各种各样的书。书，寄托着人类热切的希望；书，蕴含着人类丰富的感悟。提起书，会有说不完的话语……

    

    控件运行效果图：

    

    

    

    

文章结束给大家分享下程序员的一些笑话语录： N多年前，JohnHein博士的一项研究表明：Mac用户平均IQ要比PC用户低15%。超过6000多的参加者接受了测试，结果清晰的显示IQ比较低的人会倾向于使用Mac。Mac用户只答对了基础问题的75%，而PC用户却高达83%。