From 4747a4d09ea39f84374302acadd502f8026e8595 Mon Sep 17 00:00:00 2001
From: wp <wp.no-reply@lazarus-ide-org>
Date: Mon, 14 Jan 2019 17:59:59 +0000
Subject: [PATCH] TAChart: Fix crash of IDE due to r60070 #9d2ff37d62

git-svn-id: trunk@60082 -
---
 components/tachart/tacustomseries.pas | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/components/tachart/tacustomseries.pas b/components/tachart/tacustomseries.pas
index 744ae586d5..4a7f0abdaf 100644
--- a/components/tachart/tacustomseries.pas
+++ b/components/tachart/tacustomseries.pas
@@ -1742,13 +1742,12 @@ var
   labelText: String;
   dir: TLabelDirection;
   m: array [TLabelDirection] of Integer absolute AMargins;
-  zero: Double;
   gp: TDoublePoint;
 begin
   if not Marks.IsMarkLabelsVisible or not Marks.AutoMargins then exit;
   if MarkPositions = lmpInsideCenter then exit;
+  if Count = 0 then exit;
 
-  zero := GetZeroLevel;
   for i := FLoBound to FUpBound do begin
     gp := GetGraphPoint(i);
     if not ParentChart.IsPointInViewPort(gp) then continue;