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Stored procedures
Erases a chart drawn and created by grCreate and destroys this chart. Destroying a chart allows you to free the memory space occupied by the matrix used by this chart.
Note: All the charts used in an application are automatically destroyed when closing the window or the application.
Example
// Destroy the chart named "MyChart"
grDeleteAll("MyChart")
Syntax
grDeleteAll(<Chart name>)
<Chart name>: Character string (with or without quotes)
Name of chart to use. This name corresponds to the name of the chart defined by grCreate.
Remarks
grDeleteAll used in a Chart control has no effect. We recommend that you use grDeleteSeries to clear the data without deleting the Chart control.
Related Examples:
The Chart functions 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
Component : wd250grf.dll
Minimum version required
  • Version 9
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