Toolbar customization dialog (take one).

diff --git a/include/commctrl.h b/include/commctrl.h
index f4567da..28ac75b 100644
--- a/include/commctrl.h
+++ b/include/commctrl.h
@@ -893,6 +893,23 @@
 #define TBN_GETBUTTONINFOA    (TBN_FIRST-0)
 #define TBN_GETBUTTONINFOW    (TBN_FIRST-20)
 #define TBN_GETBUTTONINFO WINELIB_NAME_AW(TBN_GETBUTTONINFO)
+#define TBN_BEGINDRAG		(TBN_FIRST-1)
+#define TBN_ENDDRAG		(TBN_FIRST-2)
+#define TBN_BEGINADJUST		(TBN_FIRST-3)
+#define TBN_ENDADJUST		(TBN_FIRST-4)
+#define TBN_RESET		(TBN_FIRST-5)
+#define TBN_QUERYINSERT		(TBN_FIRST-6)
+#define TBN_QUERYDELETE		(TBN_FIRST-7)
+#define TBN_TOOLBARCHANGE	(TBN_FIRST-8)
+#define TBN_CUSTHELP		(TBN_FIRST-9)
+#define TBN_DROPDOWN		(TBN_FIRST-10)
+#define TBN_GETOBJECT		(TBN_FIRST-12)
+#define TBN_HOTITEMCHANGE	(TBN_FIRST-13)
+#define TBN_DRAGOUT		(TBN_FIRST-14)
+#define TBN_DELETINGBUTTON	(TBN_FIRST-15)
+#define TBN_GETDISPINFOA	(TBN_FIRST-16)
+#define TBN_GETDISPINFOW	(TBN_FIRST-17)
+#define TBN_GETDISPINFO		WINELIB_NAME_AW(TBN_GETDISPINFO)
 #define TBN_GETINFOTIPA       (TBN_FIRST-18)
 #define TBN_GETINFOTIPW       (TBN_FIRST-19)
 #define TBN_GETINFOTIP WINELIB_NAME_AW(TBN_GETINFOTIP)
diff --git a/include/toolbar.h b/include/toolbar.h
index 968dab5..bb6d8ff 100644
--- a/include/toolbar.h
+++ b/include/toolbar.h
@@ -65,6 +65,8 @@
 } TOOLBAR_INFO;
 
 
+extern BOOL WINAPI TBARCUST_DialogProc (HWND, UINT, WPARAM, LPARAM);
+
 extern VOID TOOLBAR_Register (VOID);
 extern VOID TOOLBAR_Unregister (VOID);