Document wxFileName::SetPath().

Closes #11162.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61827 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/filename.h

@@ -1074,6 +1074,16 @@ public:
     */
     void SetName(const wxString& name);
 
+    /**
+        Sets the full path.
+
+        The @a path argument includes both the path (and the volume, if
+        supported by @a format) and the name and extension.
+
+        @see GetPath()
+     */
+    void SetPath(const wxString& path, wxPathFormat format = wxPATH_NATIVE);
+
     /**
         Sets the file creation and last access/modification times (any of the pointers
         may be @NULL).