added HasSelection() (forgot to commit yesterday)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17524 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/textctrl.h

@@ -203,6 +203,9 @@ protected:
     // set the selection possibly without scrolling the caret into view
     void DoSetSelection(long from, long to, bool scrollCaret = TRUE);
 
+    // return true if there is a non empty selection in the control
+    bool HasSelection() const;
+
     // get the length of the line containing the character at the given
     // position
     long GetLengthOfLineContainingPos(long pos) const;
@@ -221,11 +224,11 @@ protected:
     // 0, it also gives the version of the RICHEDIT control being used (1, 2 or
     // 3 so far)
     int m_verRichEdit;
+#endif // wxUSE_RICHEDIT
 
     // if TRUE, SendUpdateEvent() will eat the next event (see comments in the
     // code as to why this is needed)
     bool m_suppressNextUpdate;
-#endif // wxUSE_RICHEDIT
 
 private:
     DECLARE_EVENT_TABLE()