Created monitoring object and refactored code accordingly.

BodyshopUploader/Utils/Growls/GrowlNotification.xaml

@@ -6,13 +6,11 @@
         xmlns:local="clr-namespace:BodyshopUploader.Utils.Growls"
         mc:Ignorable="d"
         SizeToContent="WidthAndHeight"
-        
         AllowsTransparency="True"
         WindowStyle="None"
         ShowInTaskbar="False"
         Topmost="True"
         UseLayoutRounding="True"
-        
         Title="BodyshopUploader Notification"
         xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
         TextElement.Foreground="{DynamicResource MaterialDesignBody}"
@@ -37,9 +35,9 @@
                   Background="Transparent"
                   SizeChanged="NotificationWindowSizeChanged">
                 <Border Name="border"
-                        Background="#2a3345"
+                        Background="#808080"
                         BorderThickness="0"
-                        CornerRadius="10"
+                        CornerRadius="4"
                         Margin="10">
                     <Border.Effect>
                         <DropShadowEffect ShadowDepth="0"
@@ -128,8 +126,8 @@
                                              From="1"
                                              To="0"
                                              Storyboard.TargetProperty="Opacity"
-                                             Duration="0:0:2"
-                                             BeginTime="0:0:3" />
+                                             Duration="0:0:1"
+                                             BeginTime="0:0:2" />
                         </Storyboard>
                     </BeginStoryboard>
                 </EventTrigger>

BodyshopUploader/Utils/Growls/Notification.cs

@@ -36,19 +36,6 @@ namespace BodyshopUploader.Utils.Growls
             }
         }
 
-        private int threadid;
-        public int ThreadId
-        {
-            get { return threadid; }
-
-            set
-            {
-                if (threadid == value) return;
-                threadid = value;
-                OnPropertyChanged("ThreadId");
-            }
-        }
-
         private string imageUrl;
         public string ImageUrl
         {