add HDF_SORTUP/DOWN definitions

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49334 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/msw/missing.h b/include/wx/msw/missing.h
index 6c9c3bb52f136b3a4d12e02771921dc62c73cbf0..8bbad72d9989531f79d1096cf638467964374933 100644 (file)
--- a/include/wx/msw/missing.h
+++ b/include/wx/msw/missing.h
@@ -235,6 +235,11 @@ typedef struct wxtagNMLVCUSTOMDRAW_ {
     #define HDS_HOTTRACK 4
 #endif
 
+#ifndef HDF_SORTUP
+    #define HDF_SORTUP   0x0400
+    #define HDF_SORTDOWN 0x0200
+#endif
+
  /*
   * In addition to the above, the following are required for several compilers.
   */