FarPoint.Web.Chart Assembly > FarPoint.Web.Chart Namespace > BeforeRenderMapAreasEventArgs Class : MapAreas Property |
'Declaration Public Property MapAreas As MapAreaCollection
'Usage Dim instance As BeforeRenderMapAreasEventArgs Dim value As MapAreaCollection instance.MapAreas = value value = instance.MapAreas
public MapAreaCollection MapAreas {get; set;}
protected void Page_Load(object sender, EventArgs e) { FpChart1.RenderMapArea = true; FpChart1.BeforeRenderMapAreas+=new FarPoint.Web.Chart.BeforeRenderMapAreasHandler(FpChart1_BeforeRenderMapAreas); FarPoint.Web.Chart.BarSeries series = new FarPoint.Web.Chart.BarSeries(); series.SeriesName = "Series 0"; series.Values.Add(2.0); series.Values.Add(4.0); series.Values.Add(3.0); series.Values.Add(5.0); FarPoint.Web.Chart.YPlotArea plotArea = new FarPoint.Web.Chart.YPlotArea(); plotArea.Location = new System.Drawing.PointF(0.2f, 0.2f); plotArea.Size = new System.Drawing.SizeF(0.6f, 0.6f); plotArea.Series.Add(series); FarPoint.Web.Chart.LabelArea label = new FarPoint.Web.Chart.LabelArea(); label.Text = "Bar Chart"; label.Location = new System.Drawing.PointF(0.5f, 0.02f); label.AlignmentX = 0.5f; label.AlignmentY = 0.0f; FarPoint.Web.Chart.LegendArea legend = new FarPoint.Web.Chart.LegendArea(); legend.Location = new System.Drawing.PointF(0.98f, 0.5f); legend.AlignmentX = 1.0f; legend.AlignmentY = 0.5f; FarPoint.Web.Chart.ChartModel model = new FarPoint.Web.Chart.ChartModel(); model.LabelAreas.Add(label); model.LegendAreas.Add(legend); model.PlotAreas.Add(plotArea); FpChart1.Model = model; } protected void FpChart1_BeforeRenderMapAreas(object sender, FarPoint.Web.Chart.BeforeRenderMapAreasEventArgs e) { string scriptFormat = "showHitTestInfo('{0}','{1}','{2}');"; foreach (FarPoint.Web.Chart.MapArea item in e.MapAreas) { FarPoint.Web.Chart.SeriesHitTest ht = this.FpChart1.HitTest(FarPoint.Web.Chart.MapAreaInfo.Parse(item.MapAreaInfo)) as FarPoint.Web.Chart.SeriesHitTest; if (ht != null) { string script = string.Format(scriptFormat, ht.Series.SeriesName, ((FarPoint.Web.Chart.BarSeries)ht.Series).CategoryNames[ht.PointIndex], ((FarPoint.Web.Chart.BarSeries)ht.Series).Values[ht.PointIndex]); item.Attributes.Add("onmouseover", script); } } } ASPX Page: <script type="text/javascript"> function showHitTestInfo(seriesName, category, value) { alert(seriesName); alert(category); alert(value); }; </script>
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If (Me.IsPostBack) Then Return FpChart1.RenderMapArea = True Dim series As New FarPoint.Web.Chart.BarSeries() series.SeriesName = "Series 0" series.Values.Add(2.0) series.Values.Add(4.0) series.Values.Add(3.0) series.Values.Add(5.0) Dim plotArea As New FarPoint.Web.Chart.YPlotArea() plotArea.Location = New System.Drawing.PointF(0.2F, 0.2F) plotArea.Size = New System.Drawing.SizeF(0.6F, 0.6F) plotArea.Series.Add(series) Dim label As New FarPoint.Web.Chart.LabelArea() label.Text = "Bar Chart" label.Location = New System.Drawing.PointF(0.5F, 0.02F) label.AlignmentX = 0.5F label.AlignmentY = 0.0F Dim legend As New FarPoint.Web.Chart.LegendArea() legend.Location = New System.Drawing.PointF(0.98F, 0.5F) legend.AlignmentX = 1.0F legend.AlignmentY = 0.5F Dim model As New FarPoint.Web.Chart.ChartModel() model.LabelAreas.Add(label) model.LegendAreas.Add(legend) model.PlotAreas.Add(plotArea) FpChart1.Model = model End Sub Protected Sub FpChart1_BeforeRenderMapAreas(ByVal sender As Object, ByVal e As FarPoint.Web.Chart.BeforeRenderMapAreasEventArgs) Handles FpChart1.BeforeRenderMapAreas Dim scriptFormat As String = "showHitTestInfo('{0}','{1}','{2}');" For Each item As FarPoint.Web.Chart.MapArea In e.MapAreas Dim ht As FarPoint.Web.Chart.SeriesHitTest = TryCast(Me.FpChart1.HitTest(FarPoint.Web.Chart.MapAreaInfo.Parse(item.MapAreaInfo)), FarPoint.Web.Chart.SeriesHitTest) If ht IsNot Nothing Then Dim script As String = String.Format(scriptFormat, ht.Series.SeriesName, DirectCast(ht.Series, FarPoint.Web.Chart.BarSeries).CategoryNames(ht.PointIndex), DirectCast(ht.Series, FarPoint.Web.Chart.BarSeries).Values(ht.PointIndex)) item.Attributes.Add("onmouseover", script) End If Next End Sub ASPX Page: <script type="text/javascript"> function showHitTestInfo(seriesName, category, value) { alert(seriesName); alert(category); alert(value); }; </script>
Target Platforms: Windows 7, Windows 8, Windows Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6