1 files changed, 37 insertions, 0 deletions

diff --git a/CPP/Windows/PropVariantConv.h b/CPP/Windows/PropVariantConv.h
new file mode 100644
index 0000000..390e0b8
--- /dev/null
+++ b/CPP/Windows/PropVariantConv.h
@@ -0,0 +1,37 @@
+// Windows/PropVariantConv.h
+
+#ifndef __PROP_VARIANT_CONV_H
+#define __PROP_VARIANT_CONV_H
+
+#include "../Common/MyTypes.h"
+
+// provide at least 32 bytes for buffer including zero-end
+
+#define kTimestampPrintLevel_DAY -3
+// #define kTimestampPrintLevel_HOUR -2
+#define kTimestampPrintLevel_MIN -1
+#define kTimestampPrintLevel_SEC 0
+#define kTimestampPrintLevel_NTFS 7
+
+bool ConvertUtcFileTimeToString(const FILETIME &ft, char *s, int level = kTimestampPrintLevel_SEC) throw();
+bool ConvertUtcFileTimeToString(const FILETIME &ft, wchar_t *s, int level = kTimestampPrintLevel_SEC) throw();
+
+// provide at least 32 bytes for buffer including zero-end
+// don't send VT_BSTR to these functions
+void ConvertPropVariantToShortString(const PROPVARIANT &prop, char *dest) throw();
+void ConvertPropVariantToShortString(const PROPVARIANT &prop, wchar_t *dest) throw();
+
+inline bool ConvertPropVariantToUInt64(const PROPVARIANT &prop, UInt64 &value)
+{
+  switch (prop.vt)
+  {
+    case VT_UI8: value = (UInt64)prop.uhVal.QuadPart; return true;
+    case VT_UI4: value = prop.ulVal; return true;
+    case VT_UI2: value = prop.uiVal; return true;
+    case VT_UI1: value = prop.bVal; return true;
+    case VT_EMPTY: return false;
+    default: throw 151199;
+  }
+}
+
+#endif