single instance checker addition for MSW

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16180 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/snglinst.h

@@ -50,7 +50,16 @@ public:
 
     // is another copy of this program already running?
     bool IsAnotherRunning() const;
-
+    
+#ifdef __WXMSW__
+    // Activates Previous Instance if a window whose Title contains the search string is found
+    bool ActivatePrevInstance(const wxString & sSearch);
+    
+    // Activates Previous Instance and passes CommandLine to wxCommandLineEvent
+    // if a window with matching Title is found
+    bool PassCommandLineToPrevInstance(const wxString & sSearch, const wxString & sCmdLine);
+#endif
+    
     // dtor is not virtual, this class is not meant to be used polymorphically
     ~wxSingleInstanceChecker();