Group header actions and restore refresh/close button behavior

MainWindow.xaml.cs

@@ -1478,6 +1478,16 @@ namespace C4IT_CustomerPanel
             HideMainForm();
         }
 
+        private void OnRefreshButtonClick(object sender, RoutedEventArgs e)
+        {
+            OnRefreshClicked(sender, null);
+        }
+
+        private void OnMinimizeButtonClick(object sender, RoutedEventArgs e)
+        {
+            OnMinimizeClicked(sender, null);
+        }
+
         private void OnNotifierMenuClicked(object sender, EventArgs e)
         {
             if (!(sender is ToolStripMenuItem menuItem))
@@ -1606,6 +1616,9 @@ namespace C4IT_CustomerPanel
              
         private void GridTop_MouseDown(object sender, MouseButtonEventArgs e)
         {
+            if (e.OriginalSource is DependencyObject source && FindVisualParent<Button>(source) != null)
+                return;
+
             if (e.ChangedButton == MouseButton.Left && ConfigSettings.GetConfig()._isDraggable)
                 this.DragMove();
         }
@@ -1633,6 +1646,19 @@ namespace C4IT_CustomerPanel
             }
         }
 
+        private static T FindVisualParent<T>(DependencyObject source) where T : DependencyObject
+        {
+            while (source != null)
+            {
+                if (source is T target)
+                    return target;
+
+                source = VisualTreeHelper.GetParent(source);
+            }
+
+            return null;
+        }
+
         private void App_KeyDown(object sender, KeyEventArgs e)
         {
             if (((Keyboard.Modifiers & ModifierKeys.Alt) == ModifierKeys.Alt) && Keyboard.IsKeyDown(Key.R) && ConfigSettings.GetConfig()._isDraggable)