Added HANDLE_WM_NOTIFY and FORWARD_WM_NOTIFY.
diff --git a/include/commctrl.h b/include/commctrl.h
index 0522eaa..47646b1 100644
--- a/include/commctrl.h
+++ b/include/commctrl.h
@@ -102,6 +102,12 @@
#define NM_CHAR (NM_FIRST-18)
#define NM_TOOLTIPSCREATED (NM_FIRST-19)
+#define HANDLE_WM_NOTIFY(hwnd, wParam, lParam, fn) \
+ (fn)((hwnd), (int)(wParam), (NMHDR*)(lParam))
+#define FORWARD_WM_NOTIFY(hwnd, idFrom, pnmhdr, fn) \
+ (LRESULT)(fn)((hwnd), WM_NOTIFY, (WPARAM)(int)(idFrom), (LPARAM)(NMHDR*)(pnmhdr))
+
+
/* callback constants */
#define LPSTR_TEXTCALLBACKA ((LPSTR)-1L)
#define LPSTR_TEXTCALLBACKW ((LPWSTR)-1L)
