From b583d03e54b43a6184e3aa814553d635261b1b7c Mon Sep 17 00:00:00 2001
From: wp <wp.no-reply@lazarus-ide-org>
Date: Mon, 4 Mar 2019 17:38:18 +0000
Subject: [PATCH] TAChart: Fix TFitSeries crashing without ParentChart
 (demos/runtime/plotdemo).

git-svn-id: trunk@60586 -
---
 components/tachart/demo/runtime/plotunit/plotdemo.lpi | 10 +++++-----
 components/tachart/tafuncseries.pas                   |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/components/tachart/demo/runtime/plotunit/plotdemo.lpi b/components/tachart/demo/runtime/plotunit/plotdemo.lpi
index 0836c996fe..8414ded647 100644
--- a/components/tachart/demo/runtime/plotunit/plotdemo.lpi
+++ b/components/tachart/demo/runtime/plotunit/plotdemo.lpi
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <CONFIG>
   <ProjectOptions>
-    <Version Value="10"/>
+    <Version Value="11"/>
     <PathDelim Value="\"/>
     <General>
       <SessionStorage Value="InProjectDir"/>
@@ -9,7 +9,6 @@
       <Title Value="plotdemo"/>
       <ResourceType Value="res"/>
       <UseXPManifest Value="True"/>
-      <Icon Value="0"/>
     </General>
     <i18n>
       <EnableI18N LFM="False"/>
@@ -21,9 +20,10 @@
       <Version Value="2"/>
     </PublishOptions>
     <RunParams>
-      <local>
-        <FormatVersion Value="1"/>
-      </local>
+      <FormatVersion Value="2"/>
+      <Modes Count="1">
+        <Mode0 Name="default"/>
+      </Modes>
     </RunParams>
     <RequiredPackages Count="2">
       <Item1>
diff --git a/components/tachart/tafuncseries.pas b/components/tachart/tafuncseries.pas
index b503b6be2d..627a841a53 100644
--- a/components/tachart/tafuncseries.pas
+++ b/components/tachart/tafuncseries.pas
@@ -1778,7 +1778,7 @@ var
   end;
 
 begin
-  if (State <> fpsUnknown) or not Active or IsEmpty or
+  if (State <> fpsUnknown) or not Active or IsEmpty or (FChart = nil) or
      ([csLoading, csDestroying] * ComponentState <> [])
   then
     exit;