using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;using System.Threading.Tasks;
using System.Management;//滚动条
using System.Drawing.Drawing2D;
using System.Drawing.Design;
using System.Runtime.InteropServices;
using System.Windows.Forms.VisualStyles; /*
using System.Drawing;//提供对GDI+基本图形功能的访问
using System.Drawing.Drawing2D;//提供高级的二维和矢量图像功能
using System.Drawing.Imaging;//提供高级GDI+图像处理功能
using System.Drawing.Printing;//提供打印相关服务
using System.Drawing.Text;//提供高级GDI+排版功能
using System.Drawing.Design;//扩展设计时，用户界面逻辑和绘制的类。用于扩展，自定义Graphics类主要成员方法：
名称            说明
DrawArc         画弧
DrawBezier      画立体的贝塞尔曲线
DrawBeziers     画连续立体的贝塞尔曲线
DrawClosedCurve 画闭合曲线
DrawCurve       画曲线
DrawEllipse     画椭圆
DrawImage　     画图像
DrawLine        画线
DrawPath        通过路劲画线和曲线
DrawPie         画饼图
DrawPolygon     画多边形
DrawRectangle   画矩形
DrawString      绘制文字
FillEllipse     填充椭圆
FillPath        填充路劲
FillPie         填充饼图
FillPolygon     填充多边形
FillRectangle   填充矩形
FillRectangles  填充矩形组
FillRegion      填充区域
*/
namespace MyGanttTitleControl
{public partial class GanttTitle: UserControl{public GanttTitle(){SetStyle(ControlStyles.AllPaintingInWmPaint, true);SetStyle(ControlStyles.UserPaint, true);SetStyle(ControlStyles.OptimizedDoubleBuffer,true);SetStyle(ControlStyles.Selectable,true);SetStyle(ControlStyles.ResizeRedraw, true);SetStyle(ControlStyles.SupportsTransparentBackColor, true);InitializeComponent();}//枚举周星期值public enum _meWeekValue{Monday = 1,Tuesday = 2,Wednesday = 3,Thursday = 4,Friday = 5,Saturday = 6,Sunday = 7}private _meWeekValue _firstDayofWeek = _meWeekValue.Sunday;[Category("表头设置"), Description("每周第一天是星期几")]public _meWeekValue FirstDayofWeek{get { return _firstDayofWeek; }set { _firstDayofWeek = value; }}//枚举每年第一周public enum _meFirstWeekofYear{FirstDayofYear = 1,//每年第一天起为第一周FirstDayofWeek = 2//每年当周的第一天起为第一周，以FirstDayofWeek设置为准        }private _meFirstWeekofYear _firstDayofYear = _meFirstWeekofYear.FirstDayofYear;[Category("表头设置"), Description("每年第一周")]public _meFirstWeekofYear FirstDayofYear{get { return _firstDayofYear; }set { _firstDayofYear = value; }}private DateTime  tempGanttDate;private DateTime _startGanttDate = DateTime.Now.Date;[Category("表头设置"), Description("起始日期")]public DateTime GanttStartDate{get { return _startGanttDate; }set {tempGanttDate = _startGanttDate;_startGanttDate = value.Date;if (DateTime.Compare(_startGanttDate , _endGanttDate)>0) _startGanttDate = tempGanttDate;}}private DateTime _endGanttDate = DateTime.Now.Date.AddDays(43);[Category("表头设置"), Description("结束日期")]public DateTime GanttEndDate{get { return _endGanttDate; }set {tempGanttDate = _endGanttDate;_endGanttDate = value.Date ;if (DateTime.Compare(_startGanttDate, _endGanttDate) > 0) _endGanttDate = tempGanttDate;}}//甘特图表每格表头方式public enum _ganttTitleCellWay{OnTime = 1,//按24时计ByTheDay = 2,//按天计Weekly = 3,//按周计UserDefinedDays = 4//自定义天数
      }private _ganttTitleCellWay _setGanttTitleCellWay = _ganttTitleCellWay.OnTime;[Category("表头设置"),Description("甘特图表每格表头方式")]public _ganttTitleCellWay SetGanttTitleCellWay{get { return _setGanttTitleCellWay; }set { _setGanttTitleCellWay = value;switch (_setGanttTitleCellWay.ToString()){case "OnTime": _maxCellScale = 6;break;case "ByTheDay": _maxCellScale = 1;break;case "Weekly": _maxCellScale = 7;break;case "UserDefinedDays": _maxCellScale = 1;break;}}}private int _maxCellScale = 6;[Category("表头设置"), Description("表头单元格最大刻度")]public int MaxCellScale{get { return _maxCellScale; }set{int  _maxDays=DateTime.IsLeapYear(GanttStartDate.Year)==true?366:355;_maxCellScale = value;switch (SetGanttTitleCellWay.ToString()){case "OnTime": {if (_maxCellScale <= 0 || _maxCellScale > 24) { _maxCellScale = 6; } else { _maxCellScale = value; }break;}case "ByTheDay":{if (_maxCellScale != 1) { _maxCellScale = 1; } else { _maxCellScale = value; }break;}case "Weekly":{if (_maxCellScale != 7) { _maxCellScale = 7; } else { _maxCellScale = value; }break;}case "UserDefinedDays":{if (_maxCellScale <= 0 || _maxCellScale > _maxDays) { _maxCellScale = 1; } else { _maxCellScale = value; }break;}}}}private int _titleCellWidth = 140;[Category("表头设置"), Description("表头单元格宽度")]public int TitleCellWidth{get { return _titleCellWidth; }set {  _titleCellWidth = value; }}private int _titleCellHeight = 45;[Category("表头设置"), Description("表头单元格宽度")]public int TitleCellHeight{get { return _titleCellHeight; }set { _titleCellHeight = value; }}private Color _titleBackColor=Control.DefaultForeColor ;[Category("表头设置"), Description("表头背景颜色")]public Color TitleBackColor{get { return _titleBackColor; }set { _titleBackColor = value; }}private Color _titleBorderColor = Color.SlateGray;[Category("表头设置"), Description("表头边框线颜色")]public Color TitleBorderColor{get { return _titleBorderColor; }set { _titleBorderColor = value; }}private Color _bigScaleColor = Color.Red ;[Category("表头设置"), Description("大刻度颜色")]public Color BigScaleColor{get { return _bigScaleColor; }set { _bigScaleColor = value; }}private Color _smallScaleColor = Color.Black;[Category("表头设置"), Description("小刻度颜色")]public Color SmallScaleColor{get { return _smallScaleColor; }set { _smallScaleColor = value; }}private Color _bigScaleFontColor = Color.Black;[Category("表头设置"), Description("刻度文字颜色")]public Color BigScaleFontColor{get { return _bigScaleFontColor; }set { _bigScaleFontColor = value; }}private Font _titleFont = new Font("宋体", 8);[Category("表头设置"), Description("表头文字字体")]public Font TitleFont{get { return _titleFont; }set { _titleFont = value; }}private int _backBigWidth = 800;[Category("表头设置"), Description("最大宽度")]public int BackBigWidth{get { return _backBigWidth; }set { _backBigWidth = value; }}private int _backBigHeight = 600;[Category("表头设置"), Description("最大高度")]public int BackBigHeight{get { return _backBigHeight; }set { _backBigHeight = value; }}private int _contCellHeight = 25;[Category("表内容设置"), Description("内容单元格宽度")]public int ContCellHeight{get { return _contCellHeight; }set { _contCellHeight = value; }}private int _contCellRow = 6;[Category("表内容设置"), Description("表格行数")]public int ContCellRow{get { return _contCellRow; }set { _contCellRow = value; }}private int _contCellColumn = 1;[Category("表内容设置"), Description("非进度表格列数")]public int ContCellColumn{get { return _contCellColumn; }set { _contCellColumn = value; }}private Color _contBackColor = Control.DefaultBackColor ;[Category("表内容设置"), Description("表格内容背景色")]public Color ContBackColor{get { return _contBackColor; }set { _contBackColor = value; }}private Color _contFontColor = Color.Black;[Category("表内容设置"), Description("表格内容文字颜色")]public Color ContFontColor{get { return _contFontColor; }set { _contFontColor = value; }}private Color _contGanttBorderColor = Color.DarkGray;[Category("表内容设置"), Description("进度框边框颜色")]public Color ContGanttBorderColor{get { return _contGanttBorderColor; }set { _contGanttBorderColor = value; }}private Color _contGanttFillColor = Color.Blue;[Category("表内容设置"), Description("进度框填充颜色")]public Color ContGanttFillColor{get { return _contGanttFillColor; }set { _contGanttFillColor = value; }}//获取到下一周第一天的天数private int GetFirstDay(int setWeekNum,int curWeekNum){curWeekNum = curWeekNum == 0 ? 7 : curWeekNum;if (curWeekNum <= setWeekNum){ return setWeekNum - curWeekNum; }else{ return 7 - curWeekNum + setWeekNum; }}private DateTime GetFirstDay(DateTime lblCurDate,int setWeekNum,int curWeekNum){int curNum;curWeekNum = curWeekNum == 0 ? 7 : curWeekNum;if (curWeekNum < setWeekNum){ curNum= setWeekNum - curWeekNum; }else{  curNum= 7 - curWeekNum + setWeekNum; }return lblCurDate.AddDays(curNum-7);}//获取参数日期在当前年份的当前周数private int GetCurWeek(DateTime lblCurDate){int curWeekNum = 0;int curDays=lblCurDate.DayOfYear;int secWeekFirstDay = GetFirstDay((int)FirstDayofWeek, (int)DateTime.Parse(lblCurDate.Year.ToString() + "-1-1").DayOfWeek);if (FirstDayofYear.ToString() == "FirstDayofYear"){if (secWeekFirstDay != 0) { curDays = curDays - secWeekFirstDay; }curWeekNum = curDays % 7 > 0 ? curDays / 7 + 1 : curDays / 7;if (secWeekFirstDay != 0) { curWeekNum++; }}else{curDays = curDays - secWeekFirstDay;curWeekNum = curDays % 7 > 0 ? curDays / 7 + 1 : curDays / 7;}return curWeekNum;}private int curWeek;private DateTime tempDay;private Pen pn,p;private Brush b;private StringFormat titleFormat;/// <summary>/// 按时绘制图表/// </summary>/// <param name="e"></param>/// <param name="totalDays"></param>private void OnTime_Paint(PaintEventArgs e, int totalDays){int i, n;for (i = 1; i <= totalDays; i++){e.Graphics.DrawRectangle(pn, i * TitleCellWidth, 0, TitleCellWidth, TitleCellHeight);e.Graphics.DrawLine(pn, i * TitleCellWidth, (int)TitleCellHeight / 3, (i + 1) * TitleCellWidth, (int)TitleCellHeight / 3);e.Graphics.DrawLine(pn, i * TitleCellWidth, (int)TitleCellHeight / 3 * 2, (i + 1) * TitleCellWidth, (int)TitleCellHeight / 3 * 2);tempDay = GanttStartDate.AddDays(i - 1);curWeek = GetCurWeek(tempDay);//画年月日及周数e.Graphics.DrawString(tempDay.ToShortDateString(), TitleFont, b, (i * TitleCellWidth + (i + 1) * TitleCellWidth) / 2, 8, titleFormat);e.Graphics.DrawString("第" + curWeek.ToString() + "周  " + tempDay.DayOfWeek.ToString(), TitleFont, b, (i * TitleCellWidth + (i + 1) * TitleCellWidth) / 2, (int)TitleCellHeight / 3 + 10, titleFormat);//画刻度线for (n = 0; n < MaxCellScale; n++){if (n > 0){p = new Pen(SmallScaleColor, 1);e.Graphics.DrawLine(p, i * TitleCellWidth + (int)TitleCellWidth / MaxCellScale * n, TitleCellHeight, i * TitleCellWidth + (int)TitleCellWidth / MaxCellScale * n, TitleCellHeight - 3);e.Graphics.DrawString((24 / MaxCellScale * n).ToString(), TitleFont, b, i * TitleCellWidth + (int)TitleCellWidth / MaxCellScale * n, TitleCellHeight / 3 * 2 + 8, titleFormat);}else{p = new Pen(BigScaleColor, 1);e.Graphics.DrawLine(p, i * TitleCellWidth + (int)TitleCellWidth / MaxCellScale * n, TitleCellHeight, i * TitleCellWidth + (int)TitleCellWidth / MaxCellScale * n, TitleCellHeight - 5);}}}//画最后一行线框p = new Pen(BigScaleColor, 1);e.Graphics.DrawLine(p, (totalDays + 1) * TitleCellWidth, TitleCellHeight, (totalDays + 1) * TitleCellWidth, TitleCellHeight - 5);}/// <summary>/// 按天绘制图表/// </summary>/// <param name="e"></param>/// <param name="totalDays"></param>/// <param name="resWeek"></param>/// <param name="maxWeek"></param>/// <param name="maxCurWeek"></param>private void ByTheDay_Paint(PaintEventArgs e,int totalDays,int resWeek, int maxWeek, int maxCurWeek){int i;int tempWeek, tempNum=0;int oldWeek = resWeek - 1;for (i = 1; i <= totalDays; i++){tempDay = GanttStartDate.AddDays(i - 1);curWeek = GetCurWeek(tempDay);if (DateTime.Compare(tempDay, DateTime.Parse(GanttStartDate.Year.ToString() + "-12-31")) > 0){ tempWeek = maxWeek - resWeek + 1; }else{ tempWeek = curWeek - resWeek + 1; }if (oldWeek != curWeek){e.Graphics.DrawRectangle(pn, tempWeek * TitleCellWidth, 0, TitleCellWidth, TitleCellHeight);e.Graphics.DrawLine(pn, tempWeek * TitleCellWidth, (int)TitleCellHeight / 3, (tempWeek + 1) * TitleCellWidth, (int)TitleCellHeight / 3);e.Graphics.DrawLine(pn, tempWeek * TitleCellWidth, (int)TitleCellHeight / 3 * 2, (tempWeek + 1) * TitleCellWidth, (int)TitleCellHeight / 3 * 2);e.Graphics.DrawString(tempDay.Year.ToString() + "年" + tempDay.Month.ToString() + "月  " + "第" + curWeek.ToString() + "周", TitleFont, b, (tempWeek * TitleCellWidth + (tempWeek + 1) * TitleCellWidth) / 2, 10, titleFormat);oldWeek = curWeek;}if (i == 1){DateTime tempFirstDate = GetFirstDay(GanttStartDate, (int)FirstDayofWeek, (int)GanttStartDate.DayOfWeek);tempNum = tempWeek * TitleCellWidth + TitleCellWidth / 7 * (GanttStartDate - tempFirstDate).Days;}else{tempNum = tempNum + TitleCellWidth / 7;}e.Graphics.DrawLine(pn, tempNum, (int)TitleCellHeight / 3, tempNum, (int)TitleCellHeight);e.Graphics.DrawString(tempDay.Day.ToString(), TitleFont, b, (tempNum * 2 + (int)(TitleCellWidth / 7)) / 2, (int)TitleCellHeight / 3 * 2 + 10, titleFormat);switch ((int)tempDay.DayOfWeek){case 0: e.Graphics.DrawString("日", TitleFont, b, (tempNum * 2 + TitleCellWidth / 7) / 2, TitleCellHeight / 3 + 10, titleFormat);break;case 1: e.Graphics.DrawString("一", TitleFont, b, (tempNum * 2 + TitleCellWidth / 7) / 2, TitleCellHeight / 3 + 10, titleFormat);break;case 2: e.Graphics.DrawString("二", TitleFont, b, (tempNum * 2 + TitleCellWidth / 7) / 2, TitleCellHeight / 3 + 10, titleFormat);break;case 3: e.Graphics.DrawString("三", TitleFont, b, (tempNum * 2 + TitleCellWidth / 7) / 2, TitleCellHeight / 3 + 10, titleFormat);break;case 4: e.Graphics.DrawString("四", TitleFont, b, (tempNum * 2 + TitleCellWidth / 7) / 2, TitleCellHeight / 3 + 10, titleFormat);break;case 5: e.Graphics.DrawString("五", TitleFont, b, (tempNum * 2 + TitleCellWidth / 7) / 2, TitleCellHeight / 3 + 10, titleFormat);break;case 6: e.Graphics.DrawString("六", TitleFont, b, (tempNum * 2 + TitleCellWidth / 7) / 2, TitleCellHeight / 3 + 10, titleFormat);break;}}//画最后一行线框e.Graphics.DrawLine(pn, tempNum + (int)(TitleCellWidth / 7), (int)TitleCellHeight / 3, tempNum + (int)(TitleCellWidth / 7), (int)TitleCellHeight);}/// <summary>/// 按周绘制图表/// </summary>/// <param name="e"></param>/// <param name="totalDays"></param>/// <param name="resMonth"></param>/// <param name="maxCurMonth"></param>/// <param name="maxMonth"></param>private void Weekly_Paint(PaintEventArgs e,int totalDays,int resMonth,int  maxCurMonth,int  maxMonth){int i,n;int resWeek = 0,maxWeek = 0, maxCurWeek = 0, oldWeek = resWeek - 1;e.Graphics.DrawLine(pn, TitleCellWidth, (int)TitleCellHeight / 3, (maxMonth - resMonth + 2) * TitleCellWidth, (int)TitleCellHeight / 3);e.Graphics.DrawLine(pn, TitleCellWidth, (int)TitleCellHeight / 3 * 2, (maxMonth - resMonth + 2) * TitleCellWidth, (int)TitleCellHeight / 3 * 2);for (i = 1; i <= maxMonth-resMonth+1; i++){e.Graphics.DrawRectangle(pn, i * TitleCellWidth, 0, TitleCellWidth, TitleCellHeight / 3 * 2);e.Graphics.DrawLine(pn, i * TitleCellWidth, (int)TitleCellHeight / 3, (i + 1) * TitleCellWidth, TitleCellHeight / 3);if (maxMonth <= 12){e.Graphics.DrawString(GanttStartDate.Year.ToString() + "年" + （resMonth+i-1）.ToString() + "月", TitleFont, b, (i * TitleCellWidth + (i + 1) * TitleCellWidth) / 2, TitleCellHeight / 6+3, titleFormat);}else{e.Graphics.DrawString((GanttStartDate.Year + 1).ToString() + "年" + (i - 12).ToString() + "月", TitleFont, b, (i * TitleCellWidth + (i + 1) * TitleCellWidth) / 2, TitleCellHeight / 6+3, titleFormat);}}//初始周数resWeek = GetCurWeek(GanttStartDate);//当年最大周数maxCurWeek = GetCurWeek(DateTime.Parse(GanttStartDate.Year.ToString() + "-12-31"));//最后日期所在周数maxWeek = GetCurWeek(GanttStartDate.AddDays(totalDays));if (DateTime.Compare(GanttStartDate.AddDays(totalDays), DateTime.Parse(GanttStartDate.Year.ToString() + "-12-31")) > 0){ maxWeek = maxCurWeek - resWeek + maxCurWeek - 1; }//开始日期当月最大和最小周数int curFirstWeek = GetCurWeek(DateTime.Parse(GanttStartDate.Year.ToString() + "-" + GanttStartDate.Month.ToString() + "-1"));curWeek = GetCurWeek(DateTime.Parse(GanttStartDate.Year.ToString() + "-" + GanttStartDate.Month.ToString() + "-" + DateTime.DaysInMonth(GanttStartDate.Year, GanttStartDate.Month).ToString()));int startPos;if (resWeek == curFirstWeek){ startPos = TitleCellWidth + TitleCellWidth / 4; }else{ startPos = TitleCellWidth + TitleCellWidth / 4 * (resWeek - curFirstWeek); }//画起始周数线e.Graphics.DrawLine(pn, startPos - TitleCellWidth / 4, TitleCellHeight / 3, startPos - TitleCellWidth / 4, TitleCellHeight / 3 * 2);e.Graphics.DrawLine(p, startPos - TitleCellWidth / 4, TitleCellHeight, startPos - TitleCellWidth / 4, TitleCellHeight - 3);//画起始周数DateTime tempFirstDate = GetFirstDay(GanttStartDate, (int)FirstDayofWeek, (int)GanttStartDate.DayOfWeek);e.Graphics.DrawString(tempFirstDate.Day.ToString(), TitleFont, b, startPos - TitleCellWidth / 4, (TitleCellHeight + TitleCellHeight / 3 * 2) / 2, titleFormat);for (n = 0; n <= maxWeek - resWeek; n++){//画周数线e.Graphics.DrawLine(pn, n * TitleCellWidth / 4 + startPos, TitleCellHeight / 3, n * TitleCellWidth / 4 + startPos, TitleCellHeight / 3 * 2);e.Graphics.DrawString((resWeek + n).ToString()+"周", TitleFont, b, n * TitleCellWidth / 4 + startPos - 18, (TitleCellHeight / 3 * 2 + TitleCellHeight / 3) / 2 + 2, titleFormat);//画日期刻度e.Graphics.DrawLine(p, n * TitleCellWidth / 4 + startPos, TitleCellHeight, n * TitleCellWidth / 4 + startPos, TitleCellHeight - 3);e.Graphics.DrawString(tempFirstDate.AddDays((n + 1) * 7).Day.ToString(), TitleFont, b, n * TitleCellWidth / 4 + startPos, (TitleCellHeight + TitleCellHeight / 3 * 2) / 2, titleFormat);}e.Graphics.DrawLine(pn, TitleCellWidth * (maxMonth - resMonth + 2), TitleCellHeight / 3 * 2, TitleCellWidth * (maxMonth - resMonth + 2), TitleCellHeight);}protected override void OnPaint(PaintEventArgs e){base.OnPaint(e);int tempWidth = 0;int resWeek=0, maxWeek=0, maxCurWeek=0;int resMonth=0, maxCurMonth=12, maxMonth=0;int newWidth = this.Size.Width;int newHeight = this.Size.Height;int tempHeight = TitleCellHeight + ContCellHeight * (ContCellRow - 1);int totalDays = (GanttEndDate - GanttStartDate).Days + 1;int lastNum=1;switch (SetGanttTitleCellWay.ToString()){case "OnTime":{tempWidth = (totalDays + 1) * TitleCellWidth;lastNum = totalDays;break;}case "ByTheDay":{//初始周数resWeek = GetCurWeek(GanttStartDate);//当年最大周数maxCurWeek = GetCurWeek(DateTime.Parse(GanttStartDate.Year.ToString() + "-12-31"));//最后日期所在周数maxWeek = GetCurWeek(GanttStartDate.AddDays(totalDays));if (DateTime.Compare(GanttStartDate.AddDays(totalDays), DateTime.Parse(GanttStartDate.Year.ToString() + "-12-31")) > 0) {maxWeek = maxCurWeek - resWeek + maxCurWeek + 1; }tempWidth = (maxWeek - resWeek + 2) * TitleCellWidth;lastNum = (maxWeek - resWeek + 1);break;}case "Weekly":{//初始月份resMonth = GanttStartDate.Month;//最后日期所在月份maxMonth = GanttStartDate.AddDays(totalDays).Month;if (DateTime.Compare(GanttStartDate.AddDays(totalDays), DateTime.Parse(GanttStartDate.Year.ToString() + "-12-31")) > 0) { maxMonth =maxCurMonth-resMonth+ maxCurMonth-1;}tempWidth = (maxMonth - resMonth + 2) * TitleCellWidth;lastNum = maxMonth - resMonth + 1;break;}case "UserDefinedDays":{break;}}//拖动滚动条if (tempWidth > this.Size.Width) { newWidth = tempWidth; }if (tempHeight > this.Size.Height) { newHeight = tempHeight; }int bgWidht = newWidth;int bgHeight = newHeight;if (bgWidht > BackBigWidth) bgWidht = BackBigWidth;if (bgHeight > BackBigHeight) bgHeight = BackBigHeight;//this.Size = new System.Drawing.Size(bgWidht, bgHeight);this.AutoScrollMinSize = new System.Drawing.Size(newWidth + 10, newHeight + 10);e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;e.Graphics.TranslateTransform(this.AutoScrollPosition.X, this.AutoScrollPosition.Y);pn = new Pen(TitleBorderColor, 1);//定义文字格式Brush bh =new SolidBrush(ContBackColor);b = new SolidBrush(BigScaleFontColor);p = new Pen(BigScaleColor, 1);titleFormat = new StringFormat();titleFormat.LineAlignment = StringAlignment.Center;titleFormat.Alignment = StringAlignment.Center;//画首行首列e.Graphics.FillRectangle(bh, 0, 0, newWidth, newHeight);e.Graphics.DrawRectangle(pn, 0, 0, newWidth, newHeight);e.Graphics.DrawRectangle(pn, 0, 0, TitleCellWidth, TitleCellHeight);e.Graphics.DrawString("生产单号", TitleFont, b, TitleCellWidth / 2, TitleCellHeight / 2, titleFormat);switch (SetGanttTitleCellWay.ToString()){case "OnTime":{OnTime_Paint(e,totalDays);break;}case "ByTheDay":{ByTheDay_Paint(e,totalDays,resWeek, maxWeek, maxCurWeek);break;}case "Weekly":{Weekly_Paint(e,totalDays,resMonth, maxCurMonth, maxMonth);break;}case "UserDefinedDays":{break;}}b = new SolidBrush(ContFontColor);p = new Pen(ContGanttBorderColor,1);Brush bg = new SolidBrush(ContGanttFillColor);for (int j = 2; j <= ContCellRow; j++){//画内容框e.Graphics.DrawRectangle(pn, 0, TitleCellHeight + (j - 2) * ContCellHeight, TitleCellWidth, ContCellHeight);//画任务内容e.Graphics.DrawString("F160256-00" + (j - 1).ToString() + "-00", TitleFont, b, TitleCellWidth / 2, TitleCellHeight + (j - 2) * ContCellHeight + ContCellHeight/2, titleFormat);//画进度框e.Graphics.DrawRectangle(pn, TitleCellWidth, TitleCellHeight + (j - 2) * ContCellHeight, TitleCellWidth * lastNum, ContCellHeight);e.Graphics.DrawRectangle(p, TitleCellWidth + 2, TitleCellHeight + (j - 2) * ContCellHeight + 2, TitleCellWidth * (j - 1), ContCellHeight - 4);e.Graphics.FillRectangle(bg, TitleCellWidth + 2, TitleCellHeight + (j - 2) * ContCellHeight + 2, TitleCellWidth * (j - 1), ContCellHeight - 4);}}}//数据节点;public class GanttNodes{private string _gnlJobCode;    //生产单号private string _gnlProcNo;     //工序号private string _gnlProcName;   //工序名称private string _gnlMachine;    //计划机床代号+机床名称private string _gnlOpreator;   //计划操作员private DateTime _gnlStartDate; //开始日期时间private DateTime _gnlEndDate; //结束日期时间private float _gnlDuration;    //时长private enum _gnlUnitMode{Second = 0, //秒Minute = 1, //分钟Hour = 2,   //小时Day = 3,    //天Week = 4,   //周
        }private _gnlUnitMode gntc_UnitMode = _gnlUnitMode.Minute;private float _gnlDaysofTime;  //当天的有效时长；public string gntc_JobCode{get { return _gnlJobCode; }set { _gnlJobCode = value; }}public string gntc_ProcNo{get { return _gnlProcNo; }set { _gnlProcNo = value; }}public string gntc_ProcName{get { return _gnlProcName; }set { _gnlProcName = value; }}public string gntc_Machine{get { return _gnlMachine; }set { _gnlMachine = value; }}public string gntc_Opreator{get { return _gnlOpreator; }set { _gnlOpreator = value; }}public DateTime gntc_StartDate{get { return _gnlStartDate; }set { _gnlStartDate = value; }}public DateTime gntc_EndDate{get { return _gnlEndDate; }set { _gnlEndDate = value; }}public float gntc_Duration{get { return _gnlDuration; }set { _gnlDuration = value; }}private _gnlUnitMode gntc_UseUnitMode{set { gntc_UnitMode = value; }get { return gntc_UnitMode; }}public float gntc_DaysofTime{get { return _gnlDaysofTime; }set { _gnlDaysofTime = value; }}/// <summary>/// 时长单位转换/// </summary>/// <param name="_gnlLong">时长</param>/// <param name="_gnlResUnit">原时长单位</param>/// <param name="_gnlNewUnit">新时长单位</param>/// <returns></returns>private float DurationTrans(float _gnlLong,  _gnlUnitMode _gnlResUnit,_gnlUnitMode _gnlNewUnit,float _gnlDOT){float result=0;switch (_gnlResUnit.ToString()){case "Second":{switch (_gnlNewUnit.ToString()){case "Second": result = (float)_gnlLong;break;case "Minute": result = (float)_gnlLong / 60;break;case "Hour": result = (float)_gnlLong / (60 * 60);break;case "Day": result = (float)(_gnlLong / (60 * 60 * _gnlDOT));break;case "Week": result = (float)(_gnlLong / (60 * 60 * _gnlDOT * 7));break;}}break;case "Minute":{switch (_gnlNewUnit.ToString()){case "Second": result = (float)_gnlLong * 60;break;case "Minute": result = (float)_gnlLong;break;case "Hour": result = (float)_gnlLong / 60;break;case "Day": result = (float)(_gnlLong / (60 * _gnlDOT));break;case "Week": result = (float)_gnlLong / (60 * _gnlDOT*7);break;}}break;case "Hour":{switch (_gnlNewUnit.ToString()){case "Second": result = (float)_gnlLong * 60*60;break;case "Minute": result = (float)_gnlLong * 60;break;case "Hour": result = (float)_gnlLong;break;case "Day": result = (float)_gnlLong / _gnlDOT;break;case "Week": result = (float)_gnlLong / (_gnlDOT * 7);break;}}break;case "Day":{switch (_gnlNewUnit.ToString()){case "Second": result = (float)_gnlLong * _gnlDOT*60*60;break;case "Minute": result = (float)_gnlLong * _gnlDOT*60;break;case "Hour": result = (float)_gnlLong* _gnlDOT;break;case "Day": result = (float)_gnlLong;break;case "Week": result = (float)_gnlLong /7;break;}}break;case "Week":{switch (_gnlNewUnit.ToString()){case "Second":result = (float)_gnlLong*7*_gnlDOT*60*60;break;case "Minute": result = (float)_gnlLong * 7 * _gnlDOT * 60;break;case "Hour":result = (float)_gnlLong*7*_gnlDOT;break;case "Day":result = (float)_gnlLong*7;break;case "Week": result = (float)_gnlLong;break;}}break;}return result;}public GanttNodes(){}}
}