diff --git a/src/NotifyIconWpf.Sample.ShowCases/Commands/CloseWindowCommand.cs b/src/NotifyIconWpf.Sample.ShowCases/Commands/CloseWindowCommand.cs
index 0c086ce..66c1bbb 100644
--- a/src/NotifyIconWpf.Sample.ShowCases/Commands/CloseWindowCommand.cs
+++ b/src/NotifyIconWpf.Sample.ShowCases/Commands/CloseWindowCommand.cs
@@ -5,6 +5,7 @@
 
 using System.Windows;
 using System.Windows.Input;
+using Hardcodet.Wpf.TaskbarNotification;
 
 namespace NotifyIconWpf.Sample.ShowCases.Commands
 {
@@ -15,8 +16,12 @@ public class CloseWindowCommand : CommandBase<CloseWindowCommand>
     {
         public override void Execute(object parameter)
         {
-            GetTaskbarWindow(parameter).Close();
-            CommandManager.InvalidateRequerySuggested();
+            if (parameter is TaskbarIcon taskbarIcon)
+            {
+                taskbarIcon.CloseTrayPopup();
+                GetTaskbarWindow(taskbarIcon).Close();
+                CommandManager.InvalidateRequerySuggested();
+            }
         }
 
 
diff --git a/src/NotifyIconWpf.Sample.ShowCases/Tutorials/03 - Popups/InlinePopupWindow.xaml b/src/NotifyIconWpf.Sample.ShowCases/Tutorials/03 - Popups/InlinePopupWindow.xaml
index 5937d57..85a7729 100644
--- a/src/NotifyIconWpf.Sample.ShowCases/Tutorials/03 - Popups/InlinePopupWindow.xaml	
+++ b/src/NotifyIconWpf.Sample.ShowCases/Tutorials/03 - Popups/InlinePopupWindow.xaml	
@@ -22,8 +22,7 @@
                     Background="White"
                     BorderBrush="Orange"
                     BorderThickness="2"
-                    CornerRadius="4"
-                    Width="160">
+                    CornerRadius="4">
                     <StackPanel>
                         <TextBox
                             x:Name="popupText"
diff --git a/src/NotifyIconWpf/TaskbarIcon.cs b/src/NotifyIconWpf/TaskbarIcon.cs
index 1358d82..84ae7f1 100644
--- a/src/NotifyIconWpf/TaskbarIcon.cs
+++ b/src/NotifyIconWpf/TaskbarIcon.cs
@@ -244,6 +244,9 @@ public void ShowCustomBalloon(UIElement balloon, PopupAnimation animation, int?
             // fire attached event
             RaiseBalloonShowingEvent(balloon, this);
 
+            // To apply DynamicResource changes (related to issue on GitHub for TaskbarIcon: https://github.com/hardcodet/wpf-notifyicon/issues/19)
+            popup.UpdateDefaultStyle();
+
             // display item
             popup.IsOpen = true;
 
@@ -676,6 +679,9 @@ public void ShowTrayPopup()
             // place the popup
             PlacePopup(PopupPlacement);
 
+            // To apply DynamicResource changes (related to issue on GitHub for TaskbarIcon: https://github.com/hardcodet/wpf-notifyicon/issues/19)
+            TrayPopupResolved.UpdateDefaultStyle();
+
             // open popup
             TrayPopupResolved.IsOpen = true;
 
@@ -747,6 +753,9 @@ private void ShowContextMenu(Point cursorPosition)
                 return;
             }
 
+            // To apply DynamicResource changes (related to issue on GitHub for TaskbarIcon: https://github.com/hardcodet/wpf-notifyicon/issues/19)
+            ContextMenu.UpdateDefaultStyle();
+
             // use absolute positioning. We need to set the coordinates, or a delayed opening
             // (e.g. when left-clicked) opens the context menu at the wrong place if the mouse
             // is moved!