Address more review feedback.

Author: KlausLoeffelmann

src/Microsoft.VisualBasic.Forms/src/Microsoft/VisualBasic/ApplicationServices/WindowsFormsApplicationBase.vb

@@ -832,6 +832,9 @@ Namespace Microsoft.VisualBasic.ApplicationServices
         ''' <summary>
         '''  Gets or sets the VisualStylesMode for the Application.
         ''' </summary>
+        ''' <returns>
+        '''  The <see cref="VisualStylesMode"/> that the application is running in.
+        ''' </returns>
         <Experimental(DiagnosticIDs.ExperimentalVisualStyles)>
         <EditorBrowsable(EditorBrowsableState.Never)>
         Protected Property VisualStylesMode As VisualStylesMode
@@ -846,6 +849,9 @@ Namespace Microsoft.VisualBasic.ApplicationServices
         ''' <summary>
         '''  Gets or sets the ColorMode for the Application.
         ''' </summary>
+        ''' <returns>
+        '''  The <see cref="SystemColorMode"/> that the application is running in.
+        ''' </returns>
         <Experimental(DiagnosticIDs.ExperimentalDarkMode)>
         <EditorBrowsable(EditorBrowsableState.Never)>
         Protected Property ColorMode As SystemColorMode

src/System.Windows.Forms.Analyzers.CodeFixes.CSharp/Resources/SR.resx

@@ -120,4 +120,4 @@
   <data name="AddDesignerSerializationVisibilityCodeFixTitle" xml:space="preserve">
     <value>Add DesignerSerializationVisibilityAttribute to property</value>
   </data>
-</root>
+</root>

src/System.Windows.Forms/src/Resources/SR.resx

@@ -7015,4 +7015,7 @@ Stack trace where the illegal operation occurred was:
   <data name="FormCaptionTextColorDescr" xml:space="preserve">
     <value>The color of the Form's text caption (title bar text).</value>
   </data>
+  <data name="ControlVisualStylesModeChangedDescr" xml:space="preserve">
+    <value>Event raised whenever the VisualStylesMode property changes.</value>
+  </data>
 </root>