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-rw-r--r--src/gui_w32.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/gui_w32.c b/src/gui_w32.c
index c5bd81d85..db0a9d5bf 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -1769,9 +1769,11 @@ gui_mch_init(void)
#endif
#ifdef FEAT_EVAL
-# ifndef HandleToLong
-/* HandleToLong() only exists in compilers that can do 64 bit builds */
-# define HandleToLong(h) ((long)(h))
+# if !defined(_MSC_VER) || (_MSC_VER < 1400)
+/* Define HandleToLong for old MS and non-MS compilers if not defined. */
+# ifndef HandleToLong
+# define HandleToLong(h) ((long)(h))
+# endif
# endif
/* set the v:windowid variable */
set_vim_var_nr(VV_WINDOWID, HandleToLong(s_hwnd));