IVZSizeLegend.Marker

Syntax

Description

The Marker property determines the figure used as a marker of size legend element.

Comments

To display the size legend, set the Metric role doe the dimension and select the Size radio button on the dimension's tab:

After executing these actions a size bubble appears in the bubble tree:

Example

Executing the example requires that the repository contains an express report with the EXPRESS identifier that contains a bubble tree with added size legend.

Add links to the Drawing, Express, Metabase, Visualizators system assemblies.

Sub UserProc;
Var
    Metabase: IMetabase;
    Analyzer: IEaxAnalyzer;
    BubbleTree: IVZBubbleTree;
    SizeLegend: IVZSizeLegend;
    Style: IVZControlStyle;
Begin
    // Get repository
    Metabase := MetabaseClass.Active;
    // Get express report
    Analyzer := Metabase.ItemById("EXPRESS").Edit As IEaxAnalyzer;
    // Get bubble tree
    BubbleTree := Analyzer.BubbleTree.BubbleTree;
    // Get size legend
    SizeLegend := BubbleTree.Legends.Item(1) As IVZSizeLegend;
    // Set marker
    SizeLegend.Marker.Marker := VisualizatorSizeMarkerShape.Rectangle;
    // Set maximum and minimum value for scale
    SizeLegend.MinValue := 3.5;
    SizeLegend.MaxValue := 35.7;
    // Set label format for minimum and maximum value
    SizeLegend.MinValueFormat := "From {0:0.00}";
    SizeLegend.MaxValueFormat := "To {0:0.00}";
    // Set text indention from graphic elements of legend
    SizeLegend.TextSpacing := 10;
    // Set style for legend labels
    Style := SizeLegend.Style;
    Style.FontColor := New GxColor.CreateRGB(102, 98, 227);
    Style.Font := New GxFont.Create("Tahoma", 12);
    // Save changes, made in express report
    (Analyzer As IMetabaseObject).Save;
End Sub UserProc;

After executing the example, rectangular markers, maximum and minimum values, and formats of record for minimum and maximum values, and label indents from graphic elements of legend equal to 10 pixels, are set for bubble tree size legend: