IVZBubbleChart.ShowBubbleHistory

Syntax

ShowBubbleHistory: Boolean;

Description

The ShowBubbleHistory property determines whether chart bubble movement history is displayed.

Comments

Available values:

True. Chart bubble movement history is displayed.
False. Default. Chart bubble movement history is not displayed.

Example

Executing the example requires that the repository contains an express report with the EXPRESS identifier containing a bubble chart.

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

Sub UserProc;
Var
    MB: IMetabase;
    Express: IEaxAnalyzer;
    BC: IVZBubbleChart;
Begin
    // Get repository
    MB := MetabaseClass.Active;
    // Get express report
    Express := MB.ItemById("EXPRESS").Edit As IEaxAnalyzer;
    // Get bubble chart
    BC := Express.BubbleChart.BubbleChart;
    // Enable displaying of bubble moving history
    BC.ShowBubbleHistory := True;
    // Enable displaying of year tooltip
    BC.ShowBubbleHistoryLabels := True;
    // Disable possibility to change chart zoom
    BC.UseZoomOnWheel := False;
    // Display history on clicking the bubble
    BC.ShowHistoryMode := VisualizatorHistoryModeEnum.Click;
    // Disable displaying of history on moving to the other year
    If BC.ShowHistoryPreviousStepsOnly Then
        BC.ShowHistoryPreviousStepsOnly := False;
    End If;
    // Refresh bubble chart and refresh report
    Express.BubbleChart.Refresh;
    (Express As IMetabaseObject).Save;
End Sub UserProc;

After executing the example in express report on the mouse click on any bubble chart bubble:

Bubble movement history is displayed.
Year tooltips are displayed in history of all series bubbles.

For example: