X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9485b24f43766ad97ba1b77a70c7c1f2a40184a6..c084a1ac064cff672b777e1e6a3624fd838387e7:/src/msw/headerctrl.cpp

diff --git a/src/msw/headerctrl.cpp b/src/msw/headerctrl.cpp
index 15a690a729..c4beb2534d 100644
--- a/src/msw/headerctrl.cpp
+++ b/src/msw/headerctrl.cpp
@@ -39,6 +39,15 @@
 #include "wx/msw/wrapcctl.h"
 #include "wx/msw/private.h"
 
+#ifndef HDM_SETBITMAPMARGIN
+    #define HDM_SETBITMAPMARGIN 0x1234
+#endif
+
+#ifndef Header_SetBitmapMargin
+    #define Header_SetBitmapMargin(hwnd, margin) \
+            ::SendMessage((hwnd), HDM_SETBITMAPMARGIN, (WPARAM)(margin), 0)
+#endif
+
 // from src/msw/listctrl.cpp
 extern int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);