+#ifdef __VISUALC6__
+double wxULongLongNative::ToDouble() const
+{
+ // Work around the problem of casting unsigned __int64 to double in VC6
+ // (which for unknown reasons only manifests itself in DLL builds, i.e.
+ // when using /MD).
+ static const __int64 int64_t_max = 9223372036854775807i64;
+ if ( m_ll <= int64_t_max )
+ return wx_truncate_cast(double, (wxLongLong_t)m_ll);
+
+ double d = wx_truncate_cast(double, int64_t_max);
+ d += (__int64)(m_ll - int64_t_max - 1); // The cast is safe because of -1
+ return d + 1;
+}
+#endif // __VISUALC6__
+