Devexpress Gantt 应用

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甘特图属于甘特系列浏览次数（也称为时间或时间轴图表）。此视图显示横条沿时间轴。每个条形代表一个单独的事件的开始和结束的值，

因此，这些图是用来跟踪各种活动的时间范围内（例如计划，利用各种资源，审查该项目的完成项目管理等）。这种图表类型是非常有用的，

当有必要从不同系列上面显示。

  protected override void OnLoad(EventArgs e)        {            ChartControl overlappedGanttChart = new ChartControl();            var series1 = new Series("计划", ViewType.Gantt);            var series2 = new Series("进度", ViewType.Gantt);           //设置值的类型为 时间            series1.ValueScaleType = ScaleType.DateTime;            series2.ValueScaleType = ScaleType.DateTime;            // 添加数据            series1.Points.Add(new SeriesPoint("市场分析", new DateTime[] {     new DateTime(2006, 8, 16), new DateTime(2006, 8, 23) }));            series1.Points.Add(new SeriesPoint("功能规划", new DateTime[] {     new DateTime(2006, 8, 23), new DateTime(2006, 8, 26) }));            series1.Points.Add(new SeriesPoint("开发规划", new DateTime[] {     new DateTime(2006, 8, 26), new DateTime(2006, 9, 26) }));            series1.Points.Add(new SeriesPoint("测试与Bug维护", new DateTime[] {     new DateTime(2006, 9, 26), new DateTime(2006, 10, 10) }));            series2.Points.Add(new SeriesPoint("市场分析", new DateTime[] {     new DateTime(2006, 8, 16), new DateTime(2006, 8, 23) }));            series2.Points.Add(new SeriesPoint("功能规划", new DateTime[] {     new DateTime(2006, 8, 23), new DateTime(2006, 8, 26) }));            series2.Points.Add(new SeriesPoint("开发规划", new DateTime[] {     new DateTime(2006, 8, 26), new DateTime(2006, 9, 10) }));            overlappedGanttChart.Series.AddRange(new Series[] { series1, series2 });            // 访问视图类型特定的选项的系列            ((GanttSeriesView)series1.View).BarWidth = 0.6;            ((GanttSeriesView)series2.View).BarWidth = 0.3;            // 访问特定类型的选项 diagram.            GanttDiagram myDiagram = (GanttDiagram)overlappedGanttChart.Diagram;            myDiagram.AxisY.Interlaced = true;            myDiagram.AxisY.GridSpacing = 10;            myDiagram.AxisY.Label.Angle = -30;            myDiagram.AxisY.DateTimeOptions.Format = DateTimeFormat.MonthAndDay;            ((GanttSeriesView)series1.View).LinkOptions.ArrowHeight = 7;            ((GanttSeriesView)series1.View).LinkOptions.ArrowWidth = 11;            for (int i = 1; i < series1.Points.Count; i++)            {                series1.Points[i].Relations.Add(series1.Points[i - 1]);            }            // 添加进度线.            ConstantLine progress =            new ConstantLine("当前的进度", new DateTime(2006, 9, 10));            progress.ShowInLegend = false;            progress.Title.Alignment = ConstantLineTitleAlignment.Far;            myDiagram.AxisY.ConstantLines.Add(progress);            // 调整 legend.            overlappedGanttChart.Legend.AlignmentHorizontal =                LegendAlignmentHorizontal.Right;            // 添加标题            overlappedGanttChart.Titles.Add(new ChartTitle());            overlappedGanttChart.Titles[0].Text = "项目计划";            overlappedGanttChart.Dock = DockStyle.Fill;            this.Controls.Add(overlappedGanttChart);        }

 //设置进度        void SetProgressState(DateTime dateTime) {            if (dateTime > rightAxisLimit)                dateTime = rightAxisLimit;            if (CompletedSeries != null && PlannedSeries != null) {                CompletedSeries.Points.BeginUpdate();                CompletedSeries.Points.Clear();                foreach (SeriesPoint point in PlannedSeries.Points) {                    DateTime plannedStartDate = point.DateTimeValues[0];                    if (DateTime.Compare(plannedStartDate, dateTime) >= 0)                        continue;                    DateTime plannedFinishDate = point.DateTimeValues[1];                    DateTime completedFinishDate;                    if (DateTime.Compare(dateTime, plannedFinishDate) > 0)                        completedFinishDate = plannedFinishDate;                    else                        completedFinishDate = dateTime;                    CompletedSeries.Points.Add(new SeriesPoint(point.Argument, new DateTime[] { plannedStartDate, completedFinishDate }));                }                CompletedSeries.Points.EndUpdate();            }            if (HasConstantLine)                ProgressLine.AxisValue = dateTime;        }

转载自http://www.cnblogs.com/w2011/p/3196206.html

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