From 5a83dce8ed6833658e9c23c5f4aa2887bb1ea11c Mon Sep 17 00:00:00 2001
From: Paddy Xu <xupaddy@gmail.com>
Date: Thu, 9 Nov 2017 20:22:42 +0200
Subject: [PATCH] sometime this throws

---
 QuickLook/ViewerWindow.xaml.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/QuickLook/ViewerWindow.xaml.cs b/QuickLook/ViewerWindow.xaml.cs
index feda012..cde01bb 100644
--- a/QuickLook/ViewerWindow.xaml.cs
+++ b/QuickLook/ViewerWindow.xaml.cs
@@ -156,7 +156,8 @@ namespace QuickLook
             else
             {
                 _restoreForDragMove = WindowState == WindowState.Maximized;
-                DragMove();
+                if (e.LeftButton == MouseButtonState.Pressed)
+                    DragMove();
             }
         }
     }