New radio item menu stuff

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14775 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/menu.h

@@ -141,6 +141,11 @@ private:
                           ,size_t      nPos = (size_t)-1
                          );
 
+    //
+    // Terminate the current radio group, if any
+    //
+    void EndRadioGroup(void);
+
     //
     // If TRUE, insert a breal before appending the next item
     //
@@ -156,6 +161,11 @@ private:
     //
     static USHORT		            m_nextMenuId;
 
+    //
+    // The position of the first item in the current radio group or -1
+    //
+    int                             m_nStartRadioGroup;
+
 #if wxUSE_ACCEL
     //
     // The accelerators for our menu items