grClearPict (Function)

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Functions for managing charts

grScatter3DDeleteAltitudeColor

gr3DSParameter

grAddData

grAddTimeData

grAutoRefreshCategoryLabel

grDonutHolePercentage

grScatter3DAltitudeColor

grScatter3DDeleteMarkCaption

grScatter3DGridlines

grScatter3DLinkPoint

grScatter3DMarkCaption

grScatter3DProjection

grSeriesSecondaryAxis

grSeriesType

grSmoothing

grSourceCategoryLabel

grSunburstRootSection

grSunburstSectionColor

grSunburstStartAngle

grSurfaceAddData

grSurfaceAltitudeColor

grSurfaceDeleteAltitudeColor

grSurfaceDeleteMarkCaption

grSurfaceGetData

grSurfaceGridlines

grSurfaceMarksCaption

grWaterfallCategoryType

grWaterfallColor

grWndSize

grZoom

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grClearPict (Function)

In french: grEffaceDessin

Erases the chart drawing (in an Image control or in a window).

Note: The chart is not deleted. The chart data and parameters are stored in memory. All you have to do is call grDraw to re-display the chart.

Versions 15 and later

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. See The charts for more details.

New in version 15

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. See The charts for more details.

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. See The charts for more details.

Versions 16 and later

This function is now available for WINDEV applications in Linux.

New in version 16

This function is now available for WINDEV applications in Linux.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

// Erase the chart named "MyChart"
grClearPict("MyChart")

Syntax

grClearPict(<Chart name>)

<Chart name>: Character string (with or without quotes)

Name of the chart to erase. This name corresponds to:
the chart name defined by programming with grCreate.
the name of Chart control (found in the window editor or page editor).

Remarks

If the chart is drawn in an independent window, the window is closed.
grClearPict has no effect if the chart is not drawn.
grClearPict has no effect in the reports.
To delete the chart data, use grDeleteSeries or grDeleteAll.

Related Examples:

Unit examples (WINDEV): The Chart functions

[ + ] Using the main chart designer features of WINDEV:
- Create a Pie, Column or Line chart
- Define the display area of a chart
- Define the chart options (legend, percentage, ...)
- Draw a line on a chart

Training (WINDEV): WD Chart

[ + ] This educational example present different uses of the chart control.
The following charts are presented:
- Semi-circular
- Donut
- Pie
- Sunburst
- Line
- Scatter
- 3D Scatter
- Column
- Area
- Bubble
- Radar
- Funnel
- Surface
- Waterfall
- Composite

The main features presented in this example are the ability to customize the charts by programming as well as the method used to fill a chart from a HFSQL file or in the editor.

Component : wd240grf.dll