vb.net windows应用程序中的甘特图
我正在寻找在vb.net windows应用程序中开发甘特图应用程序。vb.net windows应用程序中的甘特图,vb.net,gantt-chart,Vb.net,Gantt Chart,我正在寻找在vb.net windows应用程序中开发甘特图应用程序。 我想知道是否有任何免费的第三方工具或演示应用程序,以便我了解它。您可以在VB.NET中轻松绘制甘特图。看看这篇文章。您可以使用System.Windows.Forms.DataVisualization.Charting来完成此操作。下面是一些示例代码 Dim newSeries As New Series openConn()'opens the connection openRS("SELECT
我想知道是否有任何免费的第三方工具或演示应用程序,以便我了解它。您可以在VB.NET中轻松绘制甘特图。看看这篇文章。您可以使用System.Windows.Forms.DataVisualization.Charting来完成此操作。下面是一些示例代码
Dim newSeries As New Series
openConn()'opens the connection
openRS("SELECT * FROM Data")'pull data from database
Do Until rs.EOF
newSeries = New Series'create a new dataSeries
yPlot1 = CDbl(rs.Fields("Start Date").Value.ToOADate())'set beginning of bar
yPlot2 = CDbl(DateAdd(DateInterval.Day, rs.Fields("Duration").Value, rs.Fields("Start Date").Value).ToOADate())'set end of bar
newSeries.ChartType = SeriesChartType.RangeBar
newSeries.YValuesPerPoint = 2
newSeries.CustomProperties = "DrawSideBySide=false"
xOrdinal = rs.Fields("Ordinal").Value
newSeries.Points.AddXY(xOrdinal, yPlot1, yPlot2)
newSeries.Points(0).ToolTip = rs.Fields("Task Name").Value.ToString
newSeries.Name = rs.Fields("Task Name").Value.ToString
newSeries.Points(0).Color = Color.FromKnownColor(DirectCast([Enum].Parse(GetType(KnownColor), CStr(rs.Fields("Color").Value.ToString)), KnownColor))
newSeries.Points(0).AxisLabel = rs.Fields("Ordinal Name").Value.ToString
seriesList.Add(newSeries)
rs.MoveNext()
Loop
rs = Nothing
cn.Close()
cn = Nothing
Chart1.Series.Clear()
For Each plotSeries As Series In seriesList
Chart1.Series.Add(plotSeries)
Next
Chart1.ChartAreas(0).AxisX.Interval = 1
Chart1.ChartAreas(0).AxisY.Interval = 7
Chart1.ChartAreas(0).AxisX.IsReversed = True
Chart1.ChartAreas(0).AxisY.IsStartedFromZero = False
Chart1.ChartAreas(0).AxisY.IsMarginVisible = False
Chart1.ChartAreas(0).AxisY.IntervalType = DateTimeIntervalType.Days
Chart1.ChartAreas(0).AxisY.Minimum = CDbl(#4/1/2012#.ToOADate())
Chart1.ChartAreas(0).AxisY.Maximum = CDbl(#6/30/2012#.ToOADate())
Chart1.ChartAreas(0).AxisY.LabelStyle.Format = "ddd M/d"
Chart1.Update()
表单上需要一个图表控件(Chart1)。当然,您的数据可能不同,但这可能会给您提供您缺少的步骤。您还可以查看以下文档以了解更多详细信息
如果你不介意C版本,你可以去看看