From 7ab6918cc8443f2a26a9e10c925bae51c36c5b16 Mon Sep 17 00:00:00 2001
From: jesus <jesus@lazarus-ide.org>
Date: Sat, 6 Dec 2014 03:44:54 +0000
Subject: [PATCH] LazControls: check filteredtreeview and listbox, fix AV, from
 BBaz, issue #27137

git-svn-id: trunk@47120 -
---
 components/lazcontrols/listfilteredit.pas | 2 ++
 components/lazcontrols/treefilteredit.pas | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/components/lazcontrols/listfilteredit.pas b/components/lazcontrols/listfilteredit.pas
index 887b9f2a41..61f902b03b 100644
--- a/components/lazcontrols/listfilteredit.pas
+++ b/components/lazcontrols/listfilteredit.pas
@@ -277,6 +277,8 @@ function TListFilterEdit.ReturnKeyHandled: Boolean;
 var
   Key: Char;
 begin
+  if fFilteredListbox = nil then
+    exit(false);
   Key:=Char(VK_RETURN);
   Result:=Assigned(fFilteredListbox.OnKeyPress);
   if Result then
diff --git a/components/lazcontrols/treefilteredit.pas b/components/lazcontrols/treefilteredit.pas
index d47b4b0415..0ab81a2932 100644
--- a/components/lazcontrols/treefilteredit.pas
+++ b/components/lazcontrols/treefilteredit.pas
@@ -622,6 +622,8 @@ function TTreeFilterEdit.ReturnKeyHandled: Boolean;
 var
   Key: Char;
 begin
+  if fFilteredTreeview = nil then
+    exit(false);
   Key:=Char(VK_RETURN);
   Result:=Assigned(fFilteredTreeview.OnKeyPress);
   if Result then