Fire the section changed event

I18N Commander/UI WinForms/Components/SectionTree.cs

@@ -196,6 +196,14 @@ public partial class SectionTree : UserControl
         
         // If the selected node is not null, enable the remove & edit button:
         this.buttonRename.Enabled = this.buttonRemove.Enabled = selectedNode is not null;
+        
+        // When a section is selected, fire the event:
+        if (selectedNode is not null)
+        {
+            // Get the section from the database:
+            var section = SectionProcessor.GetSection(this.db, selectedNode.Name);
+            AppEvents.SectionChanged(section);
+        }
     }
 
     private async void buttonRename_Click(object sender, EventArgs e)