PropVariantConv.h (1288B)
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 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