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1 #pragma once
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2
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3 class CPropVariant : public PROPVARIANT {
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4 public:
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5 CPropVariant() {init();}
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6 ~CPropVariant() {clear();}
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7 CPropVariant( const CPropVariant & other ) {
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8 init();
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9 PropVariantCopy( this, &other );
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10 }
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11 const CPropVariant& operator=( const CPropVariant & other ) {
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12 clear();
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13 PropVariantCopy(this, &other);
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14 return *this;
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15 }
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16
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17 bool toInt64(int64_t & out) const {
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18 switch( vt ) {
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19 case VT_I1: out = (int64_t) cVal; return true;
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20 case VT_I2: out = (int64_t) iVal; return true;
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21 case VT_I4: out = (int64_t) lVal; return true;
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22 case VT_I8: out = (int64_t) hVal.QuadPart; return true;
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23 case VT_INT: out = (int64_t) intVal; return true;
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24 default: return false;
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25 }
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26 }
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27 bool toUint64(uint64_t & out) const {
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28 switch( vt ) {
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29 case VT_UI1: out = (uint64_t) bVal; return true;
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30 case VT_UI2: out = (uint64_t) uiVal; return true;
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31 case VT_UI4: out = (uint64_t) ulVal; return true;
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32 case VT_UI8: out = (uint64_t) uhVal.QuadPart; return true;
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33 case VT_UINT: out = (uint64_t) uintVal; return true;
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34 default: return false;
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35 }
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36 }
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37 bool toString( pfc::string_base & out ) const {
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38 switch( vt ) {
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39 case VT_LPSTR:
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40 out = pfc::stringcvt::string_utf8_from_ansi( pszVal ); return true;
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41 case VT_LPWSTR:
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42 out = pfc::stringcvt::string_utf8_from_wide( pwszVal ); return true;
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43 default: return false;
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44 }
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45 }
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46 private:
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47 void clear() {
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48 PropVariantClear( this );
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49 }
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50 void init() {
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51 PROPVARIANT * pv = this;
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52 PropVariantInit( pv );
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53 }
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54 };
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