1 // Windows/PropVariantConv.h
2 
3 #ifndef __PROP_VARIANT_CONV_H
4 #define __PROP_VARIANT_CONV_H
5 
6 #include "../Common/MyTypes.h"
7 
8 // provide at least 32 bytes for buffer including zero-end
9 
10 #define kTimestampPrintLevel_DAY -3
11 // #define kTimestampPrintLevel_HOUR -2
12 #define kTimestampPrintLevel_MIN -1
13 #define kTimestampPrintLevel_SEC 0
14 #define kTimestampPrintLevel_NTFS 7
15 
16 bool ConvertUtcFileTimeToString(const FILETIME &ft, char *s, int level = kTimestampPrintLevel_SEC) throw();
17 bool ConvertUtcFileTimeToString(const FILETIME &ft, wchar_t *s, int level = kTimestampPrintLevel_SEC) throw();
18 
19 // provide at least 32 bytes for buffer including zero-end
20 // don't send VT_BSTR to these functions
21 void ConvertPropVariantToShortString(const PROPVARIANT &prop, char *dest) throw();
22 void ConvertPropVariantToShortString(const PROPVARIANT &prop, wchar_t *dest) throw();
23 
ConvertPropVariantToUInt64(const PROPVARIANT & prop,UInt64 & value)24 inline bool ConvertPropVariantToUInt64(const PROPVARIANT &prop, UInt64 &value)
25 {
26   switch (prop.vt)
27   {
28     case VT_UI8: value = (UInt64)prop.uhVal.QuadPart; return true;
29     case VT_UI4: value = prop.ulVal; return true;
30     case VT_UI2: value = prop.uiVal; return true;
31     case VT_UI1: value = prop.bVal; return true;
32     case VT_EMPTY: return false;
33     default: throw 151199;
34   }
35 }
36 
37 #endif
38