以下是引用堕落的后天在2017/11/26 18:11:00的发言:额 也就是说只能看看,不能根据表改动数据了.
我看 图表一章 有个“数据标示” Series.TooltipText 这个属性适用于 甘特图么?(比如我鼠标移到一个区块上,就能显示该区块的其他字段信息)
表改动数据以后,重新生成甘特图,不就好了?
如果要有提示,参考代码
Dim Chart As WinForm.Chart
Chart= Forms("窗口1").Controls("Chart1")
Chart.ChartType = ChartTypeEnum.Gantt '图表类型为甘特图
Chart.Inverted = True '对调X轴和Y轴位置
Chart.AxisY.DateType= True 'Y轴为日期型
Chart.AxisY.AnnoFormatString = "MM-dd" '设置Y轴的标示格式
Chart.AxisY.MinDate = New DateTime(2004, 1, 1)
Chart.AxisY.MaxDate = New DateTime(2004, 7, 30)
Chart.AxisX.GridMajorVisible = False '隐藏X轴的网格线
Dim bchart = chart.BaseControl
Dim cg = bchart.ChartGroups.Group0
Dim cdsc = cg.ChartData.SeriesList
cdsc.Clear()
Dim clc = bchart.ChartLabels.LabelsCollection
Dim cds = cdsc.AddNewSeries()
cds.Label = "任务一"
cds.Y.CopyDataIn(New DateTime() {New DateTime(2004, 1, 1),New DateTime(2004, 5, 1)})
cds.Y1.CopyDataIn(New DateTime() {New DateTime(2004, 3, 9),New DateTime(2004, 6, 1)})
Dim p As Integer
clc.clear
For p = 0 To cds.Length - 1
Dim lab As C1.Win.C1Chart.Label = clc.AddNewLabel()
Dim start As DateTime = CType(cds.Y(p), DateTime)
Dim [End] As DateTime = CType(cds.Y1(p), DateTime)
lab.Text = start.ToString("ddMMM") + "-" + [End].ToString("ddMMM")
lab.AttachMethod = C1.Win.C1Chart.AttachMethodEnum.DataIndex
lab.AttachMethodData.GroupIndex = 0
lab.AttachMethodData.SeriesIndex = 0
lab.AttachMethodData.PointIndex = p
lab.Compass = LabelCompassEnum.West
lab.Offset = 0
lab.style.forecolor = Color.red
lab.Visible = True
Next
cds.tooltiptext = "123"
cds = cdsc.AddNewSeries()
cds.Label = "任务二"
cds.Y.CopyDataIn(New DateTime() {New DateTime(2004, 2, 1)})
cds.Y1.CopyDataIn(New DateTime() {New DateTime(2004, 3, 9)})
For p = 0 To cds.Length - 1
Dim lab As C1.Win.C1Chart.Label = clc.AddNewLabel()
Dim start As DateTime = CType(cds.Y(p), DateTime)
Dim [End] As DateTime = CType(cds.Y1(p), DateTime)
lab.Text = start.ToString("ddMMM") + "-" + [End].ToString("ddMMM")
lab.AttachMethod = C1.Win.C1Chart.AttachMethodEnum.DataIndex
lab.AttachMethodData.GroupIndex = 0
lab.AttachMethodData.SeriesIndex = 1
lab.AttachMethodData.PointIndex = p
lab.Compass = LabelCompassEnum.West
lab.Offset = 0
lab.style.forecolor = Color.red
lab.Visible = True
Next
cds.tooltiptext = "abc"