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Bug 2219

Summary:	Access violation exporting chart with TSeriesBandTool to pdf
Product:	VCL TeeChart	Reporter:	Bert Kreisel <bert.kreisel>
Component:	Export	Assignee:	Steema Issue Manager <issuemanager>
Status:	RESOLVED FIXED
Severity:	normal	CC:	david
Priority:	Normal
Version:	unspecified
Target Milestone:	---
Hardware:	PC
OS:	Windows
Chart Series:	---	Delphi / C++ Builder RAD IDE Version:	RAD 10.3 Rio

Description Bert Kreisel 2019-08-05 09:42:11 EDT

Exporting a chart with an TSeriesBandTool causes an access violation if the the TSeriesBandTool property 

Condition = bcLower or if that works if
Condition = bcHigher.

This depends on the data in series1 and series2.

Comment 1 david berneda 2023-03-15 15:04:20 EDT

I could reproduce the AV when the setting is bcLower.
Fixing the bug.

Comment 2 david berneda 2023-03-15 15:12:18 EDT

The fix is at TeePDFCanvas.pas unit, procedure TPDFCanvas.Polygon:

begin
  if Length(Points)>0 then  // Protect against empty point array #2219
...