From 7d36803fbea9de57b5abe7681311956ee2f09ba6 Mon Sep 17 00:00:00 2001
From: JKlingen <jens@getgreenshot.org>
Date: Sun, 17 Feb 2013 09:26:21 +0000
Subject: [PATCH] fixed NullReference when cancelling print destination (has
 been trying to dispose grippers that did not exist)

git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2493 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
---
 Greenshot/Drawing/DrawableContainer.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Greenshot/Drawing/DrawableContainer.cs b/Greenshot/Drawing/DrawableContainer.cs
index 566af1014..837d9412c 100644
--- a/Greenshot/Drawing/DrawableContainer.cs
+++ b/Greenshot/Drawing/DrawableContainer.cs
@@ -55,8 +55,10 @@ namespace Greenshot.Drawing {
 		protected virtual void Dispose(bool disposing) {
 			if (disposing) {
 				for (int i = 0; i < grippers.Length; i++) {
-					grippers[i].Dispose();
-					grippers[i] = null;
+                    if(grippers[i] != null) {
+					    grippers[i].Dispose();
+					    grippers[i] = null;
+                    }
 				}
 
 				FieldAggregator aggProps = parent.FieldAggregator;