diff --git a/contrib/include/wx/gizmos/dynamicsash.h b/contrib/include/wx/gizmos/dynamicsash.h
index c2ae82eb28..1d1a355cbb 100644
--- a/contrib/include/wx/gizmos/dynamicsash.h
+++ b/contrib/include/wx/gizmos/dynamicsash.h
@@ -13,6 +13,13 @@
 #ifndef _WX_DYNAMICSASH_H_
 #define _WX_DYNAMICSASH_H_
 
+#ifdef GIZMOISDLL
+#define GIZMODLLEXPORT WXDLLEXPORT
+#else
+#define GIZMODLLEXPORT
+#endif
+
+
 /*
 
     wxDynamicSashWindow
@@ -95,7 +102,7 @@ class wxScrollBar;
     a child of the wxDynamicSashWindow.  wxDynamicSashWindow will
     automatically reparent it to the proper place in its window hierarchy.
 */
-class wxDynamicSashSplitEvent : public wxCommandEvent {
+class GIZMODLLEXPORT wxDynamicSashSplitEvent : public wxCommandEvent {
 public:
     wxDynamicSashSplitEvent();
     wxDynamicSashSplitEvent(const wxDynamicSashSplitEvent& event): wxCommandEvent(event) { }
@@ -117,7 +124,7 @@ private:
     the scrollbars' event handlers connected to your view's event handler
     class.
 */
-class wxDynamicSashUnifyEvent : public wxCommandEvent {
+class GIZMODLLEXPORT wxDynamicSashUnifyEvent : public wxCommandEvent {
 public:
     wxDynamicSashUnifyEvent();
     wxDynamicSashUnifyEvent(const wxDynamicSashUnifyEvent& event): wxCommandEvent(event) {}
@@ -132,7 +139,7 @@ private:
 /*
     wxDynamicSashWindow.  See above.
 */
-class wxDynamicSashWindow : public wxWindow {
+class GIZMODLLEXPORT wxDynamicSashWindow : public wxWindow {
 public:
     wxDynamicSashWindow();
     wxDynamicSashWindow(wxWindow *parent, wxWindowID id,
diff --git a/contrib/include/wx/gizmos/editlbox.h b/contrib/include/wx/gizmos/editlbox.h
index 62b44f29f5..43e339d8d7 100644
--- a/contrib/include/wx/gizmos/editlbox.h
+++ b/contrib/include/wx/gizmos/editlbox.h
@@ -17,15 +17,21 @@
 
 #include "wx/panel.h"
 
+#ifdef GIZMOISDLL
+#define GIZMODLLEXPORT WXDLLEXPORT
+#else
+#define GIZMODLLEXPORT
+#endif
+
 
 class WXDLLEXPORT wxBitmapButton;
 class WXDLLEXPORT wxListCtrl;
 class WXDLLEXPORT wxListEvent;
-               
+
 // This class provides a composite control that lets the
 // user easily enter list of strings
 
-class WXDLLEXPORT wxEditableListBox : public wxPanel
+class GIZMODLLEXPORT wxEditableListBox : public wxPanel
 {
 	DECLARE_CLASS(wxEditableListBox);
 
diff --git a/contrib/include/wx/gizmos/multicell.h b/contrib/include/wx/gizmos/multicell.h
index b200c05155..6c279a817a 100644
--- a/contrib/include/wx/gizmos/multicell.h
+++ b/contrib/include/wx/gizmos/multicell.h
@@ -19,6 +19,14 @@
 	#pragma interface "multicell.h"
 #endif
 
+
+#ifdef GIZMOISDLL
+#define GIZMODLLEXPORT WXDLLEXPORT
+#else
+#define GIZMODLLEXPORT
+#endif
+
+
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
@@ -45,7 +53,7 @@ enum wxResizable
 // wxMultiCellItemHandle
 //---------------------------------------------------------------------------
 
-class WXDLLEXPORT wxMultiCellItemHandle: public wxObject
+class GIZMODLLEXPORT wxMultiCellItemHandle: public wxObject
 {
 	DECLARE_CLASS(wxMultiCellItemHandle);
 protected:
@@ -81,7 +89,7 @@ private:
 // wxMultiCellSizer
 //---------------------------------------------------------------------------
 
-class WXDLLEXPORT wxMultiCellSizer : virtual public wxSizer
+class GIZMODLLEXPORT wxMultiCellSizer : virtual public wxSizer
 {
 	DECLARE_CLASS(wxMultiCellSizer);
 
@@ -131,7 +139,7 @@ class wxCell;
 // wxMultiCellCanvas
 //---------------------------------------------------------------------------
 
-class wxMultiCellCanvas : public wxFlexGridSizer
+class GIZMODLLEXPORT wxMultiCellCanvas : public wxFlexGridSizer
 {
 public:
 	wxMultiCellCanvas(wxWindow *parent, int numRows = 2, int numCols = 2);
diff --git a/contrib/include/wx/gizmos/splittree.h b/contrib/include/wx/gizmos/splittree.h
index 4be4386cda..1b5f543796 100644
--- a/contrib/include/wx/gizmos/splittree.h
+++ b/contrib/include/wx/gizmos/splittree.h
@@ -18,6 +18,12 @@
 	#pragma interface "splittree.h"
 #endif
 
+#ifdef GIZMOISDLL
+#define GIZMODLLEXPORT WXDLLEXPORT
+#else
+#define GIZMODLLEXPORT
+#endif
+
 // Set this to 1 to use generic tree control (doesn't yet work properly)
 #define USE_GENERIC_TREECTRL 0
 
@@ -46,7 +52,7 @@ class wxSplitterScrolledWindow;
  * It also updates the scrolled window vertical scrollbar as appropriate.
  */
 
-class wxRemotelyScrolledTreeCtrl: public wxTreeCtrl
+class GIZMODLLEXPORT wxRemotelyScrolledTreeCtrl: public wxTreeCtrl
 {
 	DECLARE_CLASS(wxRemotelyScrolledTreeCtrl)
 public:
@@ -118,7 +124,7 @@ protected:
  * A window displaying values associated with tree control items.
  */
 
-class wxTreeCompanionWindow: public wxWindow
+class GIZMODLLEXPORT wxTreeCompanionWindow: public wxWindow
 {
 public:
     DECLARE_CLASS(wxTreeCompanionWindow)
@@ -132,7 +138,7 @@ public:
 	virtual void DrawItem(wxDC& dc, wxTreeItemId id, const wxRect& rect);
 
 //// Events
-	void OnPaint(wxPaintEvent& event);    
+	void OnPaint(wxPaintEvent& event);
     void OnScroll(wxScrollWinEvent& event);
 	void OnExpand(wxTreeEvent& event);
 
@@ -157,7 +163,7 @@ protected:
  * than the usual one.
  */
 
-class wxThinSplitterWindow: public wxSplitterWindow
+class GIZMODLLEXPORT wxThinSplitterWindow: public wxSplitterWindow
 {
 public:
     DECLARE_DYNAMIC_CLASS(wxThinSplitterWindow)
@@ -176,7 +182,7 @@ public:
 	void DrawSash(wxDC& dc);
 
 //// Events
-    
+
     void OnSize(wxSizeEvent& event);
 
 //// Operations
@@ -197,7 +203,7 @@ protected:
  * scroll appropriately.
  */
 
-class wxSplitterScrolledWindow: public wxScrolledWindow
+class GIZMODLLEXPORT wxSplitterScrolledWindow: public wxScrolledWindow
 {
 public:
     DECLARE_DYNAMIC_CLASS(wxSplitterScrolledWindow)
@@ -210,7 +216,7 @@ public:
 //// Overrides
 
 //// Events
-    
+
     void OnScroll(wxScrollWinEvent& event);
     void OnSize(wxSizeEvent& event);