1 // Windows/PropVariant.h

     2 

     3 #ifndef __WINDOWS_PROPVARIANT_H

     4 #define __WINDOWS_PROPVARIANT_H

     5 

     6 #include "../Common/MyWindows.h"

     7 #include "../Common/Types.h"

     8 

     9 namespace NWindows {

    10 namespace NCOM {

    11 

    12 class CPropVariant : public tagPROPVARIANT

    13 {

    14 public:

    15   CPropVariant() { vt = VT_EMPTY; wReserved1 = 0; }

    16   ~CPropVariant() { Clear(); }

    17   CPropVariant(const PROPVARIANT& varSrc);

    18   CPropVariant(const CPropVariant& varSrc);

    19   CPropVariant(BSTR bstrSrc);

    20   CPropVariant(LPCOLESTR lpszSrc);

    21   CPropVariant(bool bSrc) { vt = VT_BOOL; wReserved1 = 0; boolVal = (bSrc ? VARIANT_TRUE : VARIANT_FALSE); };

    22   CPropVariant(UInt32 value) { vt = VT_UI4; wReserved1 = 0; ulVal = value; }

    23   CPropVariant(UInt64 value) { vt = VT_UI8; wReserved1 = 0; uhVal = *(ULARGE_INTEGER*)&value; }

    24   CPropVariant(const FILETIME &value) { vt = VT_FILETIME; wReserved1 = 0; filetime = value; }

    25   CPropVariant(Int32 value) { vt = VT_I4; wReserved1 = 0; lVal = value; }

    26   CPropVariant(Byte value) { vt = VT_UI1; wReserved1 = 0; bVal = value; }

    27   CPropVariant(Int16 value) { vt = VT_I2; wReserved1 = 0; iVal = value; }

    28   // CPropVariant(LONG value, VARTYPE vtSrc = VT_I4) { vt = vtSrc; lVal = value; }

    29 

    30   CPropVariant& operator=(const CPropVariant& varSrc);

    31   CPropVariant& operator=(const PROPVARIANT& varSrc);

    32   CPropVariant& operator=(BSTR bstrSrc);

    33   CPropVariant& operator=(LPCOLESTR lpszSrc);

    34   CPropVariant& operator=(bool bSrc);

    35   CPropVariant& operator=(UInt32 value);

    36   CPropVariant& operator=(UInt64 value);

    37   CPropVariant& operator=(const FILETIME &value);

    38 

    39   CPropVariant& operator=(Int32 value);

    40   CPropVariant& operator=(Byte value);

    41   CPropVariant& operator=(Int16 value);

    42   // CPropVariant& operator=(LONG  value);

    43 

    44   HRESULT Clear();

    45   HRESULT Copy(const PROPVARIANT* pSrc);

    46   HRESULT Attach(PROPVARIANT* pSrc);

    47   HRESULT Detach(PROPVARIANT* pDest);

    48 

    49   HRESULT InternalClear();

    50   void InternalCopy(const PROPVARIANT* pSrc);

    51 

    52   int Compare(const CPropVariant &a1);

    53 };

    54 

    55 }}

    56 

    57 #endif