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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.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
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
Minimum version required
  • Version 9
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