<Chart>.Tooltip (Function)

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Functions for managing charts

Tooltip options to configure

Enabling/Disabling the tooltip

Formatting the elements displayed in the tooltip

See also

<Chart>.Tooltip (Function)

In french: <Graphe>.Bulle

Displays and formats:

the tooltip associated with each chart section (section for a Pie chart, bar for a Column chart, etc.). Also allows you to find out the characteristics of the tooltip associated with each chart section.
Versions 23 and later
a custom tooltip, associated with a point.
New in version 23
a custom tooltip, associated with a point.
a custom tooltip, associated with a point.

By default, a tooltip is automatically displayed (grShowTooltip set to True) when a chart is hovered by the mouse cursor.

Versions 19 and later

This function is now available for iPhone/iPad applications.

New in version 19

This function is now available for iPhone/iPad applications.

Versions 23 and later

This function is now available for Android applications.

New in version 23

This function is now available for Android applications.

Example

// Chart control
// Display the percentages on a column chart
CHART_MyChart.Label(grShowPercent, True)
CHART_MyChart.Tooltip(grTooltipFormat, "[%SERIES%]" + CR + "[%CATEGORY%]" + CR + "[%VALUE%]")
CHART_MyChart.Tooltip(grShowTooltip, True)
// Draw the chart
CHART_MyChart.Draw()

Versions 23 and later

// Chart control
// Display a specific tooltip for a point
CHART_MyChart.Tooltip(1, 2, "The content of my tooltip")
// Draw the chart
CHART_MyChart.Draw()

New in version 23

// Chart control
// Display a specific tooltip for a point
CHART_MyChart.Tooltip(1, 2, "The content of my tooltip")
// Draw the chart
CHART_MyChart.Draw()

Syntax

Displaying and formatting the tooltip associated with a Chart control Hide the details

<Chart control>.Tooltip(<Tooltip option to configure> , <Value of tooltip option>)

<Chart control>: Control name

Name of the Chart control to use (found in the window editor).

<Tooltip option to configure>: Integer constant

Enables or disables the tooltip and configures its characteristics.
grShowTooltip Enables or disables the tooltip.
grTooltipFormat Describes the tooltip format.
grTooltipFormatStock Describes the tooltip format for a Stock chart.
This constant is not available.
This constant is not available.
Versions 20 and later
grTooltipFormatCrosshairHeader
New in version 20
grTooltipFormatCrosshairHeader
grTooltipFormatCrosshairHeader Describes the header format for the chart crosshairs.
Versions 16 and later
grTooltipFormatBubbleChart
New in version 16
grTooltipFormatBubbleChart
grTooltipFormatBubbleChart Describes the tooltip format for a Bubble chart.
This constant is not available.
Versions 21 and later
grTooltipFormatHeatMap
New in version 21
grTooltipFormatHeatMap
grTooltipFormatHeatMap Describes the tooltip format for a Heatmap chart.
This constant is not available.
grTooltipFormatScatter Describes the tooltip format for a Scatter chart.
This constant is not available.
grTooltipFormatPie Describes the tooltip format for a Pie chart.

<Value of tooltip option>: Character string or boolean

Value of option for the selected tooltip. This value depends on the selected option (see the above table).

Finding out the characteristics of tooltip associated with a Chart control Hide the details

<Result> = <Chart control>.Tooltip(<Tooltip option>)

<Result>: Type corresponding to the option (boolean or character string)

Value of sought option.

<Chart control>: Control name

Name of the Chart control to use (found in the window editor).

<Tooltip option>: Integer constant

Tooltip option whose value is requested.
grShowTooltip Enables or disables the tooltip.
grTooltipFormat Describes the tooltip format.
grTooltipFormatStock Describes the tooltip format for a Stock chart.
This constant is not available.
This constant is not available.
Versions 20 and later
grTooltipFormatCrosshairHeader
New in version 20
grTooltipFormatCrosshairHeader
grTooltipFormatCrosshairHeader Describes the header format for the chart crosshairs.
Versions 16 and later
grTooltipFormatBubbleChart
New in version 16
grTooltipFormatBubbleChart
grTooltipFormatBubbleChart Describes the tooltip format for a Bubble chart.
This constant is not available.
Versions 21 and later
grTooltipFormatHeatMap
New in version 21
grTooltipFormatHeatMap
grTooltipFormatHeatMap Describes the tooltip format for a Heatmap chart.
This constant is not available.
grTooltipFormatScatter Describes the tooltip format for a Scatter chart.
This constant is not available.
grTooltipFormatPie Describes the tooltip format for a Pie chart.

Remarks

Tooltip options to configure

Constant	Effect	Value of option

grShowTooltip	Enables or disables the tooltip.	Boolean True (by default) to enable the tooltip, False to avoid displaying it. Caution: the parameters defined for the tooltip are not re-initialized during the display.
grTooltipFormat	Describes the tooltip format.	Character string Empty string to use the default format. Combination of following strings: [%SERIES%]: Displays the caption of the series (defined by <Chart>.SeriesLabel). [%CATEGORY%]: Displays the caption of the category (defined by <Chart>.CategoryLabel). [%VALUE%]: Displays the value Example: "[%VALUE%]"+CR+"[%CATEGORY%]" By default, the format is as follows: "[%CATEGORY%]"+CR+"[%SERIES%]"+"="+"[%VALUE%]"
grTooltipFormatStock	Describes the tooltip format for a Stock chart.	Character string Empty string to use the default format. Combination of following strings: [%SERIES%]: Displays the caption of the series (defined by <Chart>.SeriesLabel). [%CATEGORY%]: Displays the caption of the category (defined by <Chart>.CategoryLabel). [%MAX%]: Displays the maximum value of the session. [%MIN%]: Displays the minimum value of the session. [%START%]: Displays the first value of the session. [%END%]: Displays the end value of the session. By default, the format is as follows: "[%CATEGORY%]"+CR+"Min.=[%MIN%]"+CR+"Max.=[%MAX%]"+CR+"Start=[%START%]"+CR+"End=[%END%]"
Versions 20 and later grTooltipFormatCrosshairHeader New in version 20 grTooltipFormatCrosshairHeader grTooltipFormatCrosshairHeader	Describes the header format for the chart crosshairs.	Character string Empty string to use the default format. Character string containing the following string: [%CATEGORY%]: Displays the caption of the category (defined by <Chart>.CategoryLabel). By default, the format is as follows: "[%CATEGORY%]" Versions 22 and later Stacked Column chart: The total of stack can be added into the tooltip of a stacked column chart by using the following syntax: CHART_MyChart.grTooltip(grTooltipFormatCrosshairHeader, ... "[%CATEGORY%], Sum = [%VALUE%]") New in version 22 Stacked Column chart: The total of stack can be added into the tooltip of a stacked column chart by using the following syntax: CHART_MyChart.grTooltip(grTooltipFormatCrosshairHeader, ... "[%CATEGORY%], Sum = [%VALUE%]") Stacked Column chart: The total of stack can be added into the tooltip of a stacked column chart by using the following syntax: CHART_MyChart.grTooltip(grTooltipFormatCrosshairHeader, ... "[%CATEGORY%], Sum = [%VALUE%]")
Versions 16 and later grTooltipFormatBubbleChart New in version 16 grTooltipFormatBubbleChart grTooltipFormatBubbleChart	Describes the tooltip format for a bubble chart.	Character string Empty string to use the default format. Combination of following strings: [%SERIES%]: Displays the caption of the series (defined by <Chart>.SeriesLabel). [%CATEGORY%]: Displays the caption of the category (defined by <Chart>.CategoryLabel). [%X%]: Displays the X coordinate (first series) [%Y%]: Displays the Y coordinate (second series) [%Z%]: Displays the value of the third series. By default, the format is as follows: "([%X%];[%Y%]): [%Z%]"+CR+"[%CATEGORY%]"
grTooltipFormatScatter	Describes the tooltip format for a Scatter chart.	Character string Empty string to use the default format. Combination of following strings: [%SERIES%]: Displays the caption of the series (defined by <Chart>.SeriesLabel). [%CATEGORY%]: Displays the caption of the category (defined by <Chart>.CategoryLabel). [%X%]: Displays the X coordinate. By default, the format is as follows: "[%X%]"+CR+"[%Y%]"+CR+"[%SERIES%]"+CR+"[%CATEGORY%]"
Versions 21 and later grTooltipFormatHeatMap New in version 21 grTooltipFormatHeatMap grTooltipFormatHeatMap	Describes the tooltip format for a Heatmap chart.	Character string Empty string to use the default format. Combination of following strings: [%SERIES%]: Displays the caption of the series (defined by <Chart>.SeriesLabel). [%CATEGORY%]: Displays the caption of the category (defined by <Chart>.CategoryLabel). [%X%]: Displays the X coordinate (first series) [%Y%]: Displays the Y coordinate (second series) [%Z%]: Displays the value of the third series. By default, the format is as follows: "([%X%];[%Y%]): [%Z%]"+CR+"[%CATEGORY%]"
grTooltipFormatPie	Describes the tooltip format for a Pie chart.	Character string Empty string to use the default format. Combination of following strings: [%SERIES%]: Displays the caption of the series (defined by <Chart>.SeriesLabel). [%CATEGORY%]: Displays the category caption (defined by <Chart>.CategoryLabel). [%VALUE%]: Displays the value [%%%]: Displays the percentage Example: "[%VALUE%]"+CR+"[%CATEGORY%]"+CR+"[%%%]" By default, the format is as follows: "[%CATEGORY%]"+CR+"[%VALUE%]"+CR+"[%%%]"

If the default format is used:

the "[%CATEGORY%]" string is ignored if no category caption has been specified by <Chart>.CategoryLabel.
the "[%SERIES%]" string is ignored if no series caption has been specified with <Chart>.SeriesLabel.

Versions 22 and later
Caution: If you are using the dynamic construction of strings ("Allow "[% %]" in the strings" option in the "Compilation" tab of project description), a compilation error occurs (unknown identifier). In this case, each string must be preceded by '-%'. Example:

CHART_Deadline.Tooltip(grTooltipFormat, "[%CATEGORY%]" +CR +CR + "[%VALUE%]" + "H")

becomes

CHART_Deadline.Tooltip(grTooltipFormat, -%"[%CATEGORY%]" + CR + CR + -%"[%VALUE%]" + " H")

New in version 22
Caution: If you are using the dynamic construction of strings ("Allow "[% %]" in the strings" option in the "Compilation" tab of project description), a compilation error occurs (unknown identifier). In this case, each string must be preceded by '-%'. Example:

CHART_Deadline.Tooltip(grTooltipFormat, "[%CATEGORY%]" +CR +CR + "[%VALUE%]" + "H")

becomes

CHART_Deadline.Tooltip(grTooltipFormat, -%"[%CATEGORY%]" + CR + CR + -%"[%VALUE%]" + " H")

Caution: If you are using the dynamic construction of strings ("Allow "[% %]" in the strings" option in the "Compilation" tab of project description), a compilation error occurs (unknown identifier). In this case, each string must be preceded by '-%'. Example:

CHART_Deadline.Tooltip(grTooltipFormat, "[%CATEGORY%]" +CR +CR + "[%VALUE%]" + "H")

becomes

CHART_Deadline.Tooltip(grTooltipFormat, -%"[%CATEGORY%]" + CR + CR + -%"[%VALUE%]" + " H")

Enabling/Disabling the tooltip

The tooltip activation/deactivation (grShowTooltip constant) is taken into account when running <Chart>.Draw.

Formatting the elements displayed in the tooltip

To format the values displayed in the tooltip (value and percentage), use <Chart>.Mask.

Component : wd250grf.dll