diff --git a/reactos/include/wine/commdlg.h b/reactos/include/wine/commdlg.h
index 0ef8bd1f468..227bd133fa9 100644
--- a/reactos/include/wine/commdlg.h
+++ b/reactos/include/wine/commdlg.h
@@ -1,4 +1,7 @@
-/* $Id: commdlg.h,v 1.1 2004/01/02 19:49:44 gvg Exp $ */
+/* $Id: commdlg.h,v 1.2 2004/01/12 23:44:24 sedwards Exp $ */
+
+#define SAVE_DIALOG         1
+#define OPEN_DIALOG         2	
 
 #if (WINVER >= 0x0500) && !defined (__OBJC__)
 #include <objbase.h>
diff --git a/reactos/include/wine/dlgs.h b/reactos/include/wine/dlgs.h
index 2c344c38654..c38f865e4b1 100644
--- a/reactos/include/wine/dlgs.h
+++ b/reactos/include/wine/dlgs.h
@@ -9,8 +9,10 @@
 #ifndef __WINE_DLGS_H
 #define __WINE_DLGS_H
 
+#define OFN_DONTADDTORECENT          0x02000000
+#define OFN_ENABLEINCLUDENOTIFY      0x00400000
+#define NEWFILEOPENORD 			 1547
+
 #include_next <dlgs.h>
 
-#define NEWFILEOPENORD 1547
-
 #endif /* __WINE_DLGS_H */
diff --git a/reactos/include/wine/wingdi.h b/reactos/include/wine/wingdi.h
new file mode 100644
index 00000000000..d6b31bb543a
--- /dev/null
+++ b/reactos/include/wine/wingdi.h
@@ -0,0 +1,17 @@
+/*
+ * Compatibility header
+ *
+ * This header is wrapper to allow compilation of Wine DLLs under ReactOS
+ * build system. It contains definitions commonly refered to as Wineisms
+ * and definitions that are missing in w32api.
+ */
+#ifndef __WINE_GDI_H
+#define __WINE_GDI_H
+
+#define NTM_PS_OPENTYPE     0x00020000 /* wingdi.h */
+#define NTM_TT_OPENTYPE     0x00040000 /* wingdi.h */
+#define NTM_TYPE1           0x00100000 /* wingdi.h */
+
+#include_next <wingdi.h>
+
+#endif /* __WINE_GDI_H */
diff --git a/reactos/include/wine/winuser16.h b/reactos/include/wine/winuser16.h
index c561aec6063..3444b241054 100644
--- a/reactos/include/wine/winuser16.h
+++ b/reactos/include/wine/winuser16.h
@@ -19,4 +19,8 @@
 #ifndef __WINE_WINE_WINUSER16_H
 #define __WINE_WINE_WINUSER16_H
 
+#ifndef CB_SETITEMDATA16
+#define CB_SETITEMDATA16           (WM_USER+17)
+#endif
+
 #endif /* __WINE_WINE_WINUSER16_H */
diff --git a/reactos/include/wine/wownt32.h b/reactos/include/wine/wownt32.h
index b2581e7a6ea..04fc96a105b 100644
--- a/reactos/include/wine/wownt32.h
+++ b/reactos/include/wine/wownt32.h
@@ -18,8 +18,12 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#ifndef _WOWNT32_H_
-#define _WOWNT32_H_
+#ifndef WINE_WOWNT32_H_
+#define WINE_WOWNT32_H_
 
+#ifndef HWND_16
+#define HWND_16(h32)      (LOWORD(h32))
+#endif
 
 #endif /* _WOWNT32_H_ */
+