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grClearPict (Function) In french: grEffaceDessin Erases the chart drawing (in an Image control or in a window). Remark: The chart is not deleted. The chart data and parameters are stored in memory. Simply call grDraw to re-display the chart.
// Erase the chart named "MyChart"
grClearPict("MyChart")
Syntax
grClearPict(<Chart name>)
<Chart name>: Control name or character string Name of the chart to erase. This name corresponds to:- the chart name defined through programming with grCreate.
- the name of the Chart control (in the window 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 reports.
- To delete the chart data, use grDeleteSeries or grDeleteAll.
Related Examples:
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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
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Training (WINDEV): WD Chart
[ + ] This example presents the different uses of the Chart control. Different types of charts are presented: - Pie - Sunburst - Line - Scatter - Column - Area - etc. The main features presented here are the possibility to customize of charts from the code, as well as to fill the chart from an HFSQL data file, or in the editor.
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