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TAChart: Fix crash of IDE if TPieSeries is linked to a TUserDefinedChartSource

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git-svn-id: trunk@49019 -
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wp 2015-05-14 10:54:48 +00:00
parent ad57731ec6
commit fd258ffc81
1 changed files with 2 additions and 0 deletions
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2
components/tachart/taradialseries.pas
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@ -499,6 +499,8 @@ begin
// This is a workaround for db source invalidating the cache due to // This is a workaround for db source invalidating the cache due to
// unnecessary "dataset changed" events. // unnecessary "dataset changed" events.
total := Source.ValuesTotal; total := Source.ValuesTotal;
if total = 0 then
exit;
for i := 0 to Count - 1 do begin for i := 0 to Count - 1 do begin
di := Source[i]; di := Source[i];
if IsNan(di^.Y) then continue; if IsNan(di^.Y) then continue;