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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.
Remark: All the charts used in an application are automatically destroyed when closing the window or the application.
Example
// Destruction of the "GRF_MonGraphe" graph
grDeleteAll(GRF_MonGraph)
Syntax
grDeleteAll(<Chart name>)
<Chart name>: Character string (with or without quotes)
Name of chart to use. This name corresponds to:
  • the chart name defined by programming with grCreate.
  • the name of Chart control found in the window editor, page editor or report editor.
Remarks
The function grDeleteAll must not be used in a Chart control. It is necessary to use the grDeleteSeries function to clear the data.
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
See also
Minimum version required
  • Version 9
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