TiPlotComponent.OnBeforePrint
TiPlotComponent
Occurs before the chart is about to be printed.
property OnBeforePrint : TNotifyEvent;
Description
Use OnBeforePrint to perform actions before the chart is sent to the printer.
This event will fire just before the print is sent to the Printer, after the
printer selection dialog is displayed.
Note: This event is generally used to make modifications to the chart before
printing, such as inverting colors or setting colors to black and white for better
looking printouts.
Note: Changes to the component between the OnBeforePrint and OnAfterPrint events will not be displayed on the screen. This is useful when you want to
make changes for printing purposes only, and don't want the screen to flash or
change.
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