remove unused wxAppTraits-related files

[wxWidgets.git] / include / wx / scrolbar.h

diff --git a/include/wx/scrolbar.h b/include/wx/scrolbar.h
index 6cdf392a2697300440e5b1137bc2ac28b435831f..868c0ff593b84cc3527fb26287fa218d5403a74d 100644 (file)
--- a/include/wx/scrolbar.h
+++ b/include/wx/scrolbar.h
@@ -18,13 +18,13 @@
 
 #include "wx/control.h"
 
-extern WXDLLEXPORT_DATA(const wxChar) wxScrollBarNameStr[];
+extern WXDLLIMPEXP_DATA_CORE(const char) wxScrollBarNameStr[];
 
 // ----------------------------------------------------------------------------
 // wxScrollBar: a scroll bar control
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxScrollBarBase : public wxControl
+class WXDLLIMPEXP_CORE wxScrollBarBase : public wxControl
 {
 public:
     wxScrollBarBase() { }
@@ -52,6 +52,9 @@ public:
                               int range, int pageSize,
                               bool refresh = true) = 0;
 
+    // implementation-only
+    bool IsNeeded() const { return GetRange() > GetThumbSize(); }
+
 private:
     DECLARE_NO_COPY_CLASS(wxScrollBarBase)
 };