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V25.1
  • TdxChartToolTips Class

    Stores tooltip settings of a Chart control.

    Declaration

    TdxChartToolTips = class(
        TcxOwnedPersistent
    )

    Remarks

    Tooltips allow users to interact with a diagram and display additional information on series points under the mouse pointer. The TdxChartToolTips class implements simple tooltip and Crosshair Cursor settings at the Chart control level.

    Simple Tooltips

    Simple tooltips display a series caption and/or a series point value when a user hovers the mouse pointer over a series or a series point.

    VCL Chart Control: A Series and Series Point Tooltip Example

    Crosshair Cursor

    Crosshair Cursor is an advanced tooltip that can target multiple series points in an XY diagram and display additional information on them. In addition, you can display crosshair lines and axis labels to help users track the coordinates of the target points or the current mouse pointer position.

    VCL Chart Control: A Crosshair Cursor Example in an XY Diagram

    Main API Members

    The list below outlines key members of the TdxChartToolTips class that allow you to customize tooltip settings at the Chart control level.

    DefaultMode
    Specifies the default tooltip display mode in a Chart control.
    CrosshairOptions
    Provides access to Crosshair Cursor settings.
    SimpleToolTipOptions
    Provides access to simple tooltip settings.
    Assign
    Copies tooltip settings between Chart control settings.

    Direct TdxChartToolTips Class References

    The ToolTips property of a Chart control references a TdxChartToolTips object.

    Tooltip Scaling in RAD Studio 10.3 and Earlier IDEs

    Tooltips do not scale properly according to the current monitor DPI in projects built with Embarcadero RAD Studio® 10.3 and earlier IDEs due to a tooltip implementation bug in the VCL library.

    To work around this bug, you need to place the TcxHintStyleController component on a form.

    Inheritance

    See Also