Document some previously undocumented wxAboutDialogInfo getters.

See #12690.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66258 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/aboutdlg.h

@@ -92,6 +92,42 @@ public:
     */
     void AddTranslator(const wxString& translator);
 
+    /**
+        Get the name of the program.
+
+        @return Name of the program
+        @see SetName()
+    */
+    const wxString& GetName() const;
+
+    /**
+        Returns @true if a description string has been specified.
+
+        @see GetDescription()
+    */
+    bool HasDescription() const;
+
+    /**
+        Get the description string.
+
+        @return The description string, free-form.
+    */
+    const wxString& GetDescription();
+
+    /**
+        Returns @true if a copyright string has been specified.
+
+        @see GetCopyright()
+    */
+    bool HasCopyright() const;
+
+    /**
+        Get the copyright string.
+
+        @return The copyright string
+    */
+    const wxString& GetCopyright() const;
+
     /**
         Sets the the list of artists to be shown in the program credits.