summaryrefslogtreecommitdiff
path: root/zen/format_unit.h
diff options
context:
space:
mode:
Diffstat (limited to 'zen/format_unit.h')
-rw-r--r--zen/format_unit.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/zen/format_unit.h b/zen/format_unit.h
index eacb8d46..fcc42dfa 100644
--- a/zen/format_unit.h
+++ b/zen/format_unit.h
@@ -9,6 +9,7 @@
#include <string>
#include <cstdint>
+#include "optional.h"
#include "string_tools.h"
@@ -26,8 +27,11 @@ template <class NumberType>
std::wstring toGuiString(NumberType number); //format integer number including thousands separator
-
-
+#ifdef ZEN_WIN_VISTA_AND_LATER
+ //reverse calculation of utcToLocalTimeString()
+ Opt<std::int64_t> mtpVariantTimetoUtc(double localTime); //returns empty on error
+ Opt<double> utcToMtpVariantTime(int64_t utcTime); //
+#endif
bgstack15