ATL::CComVariant Class Reference

#include <atlcomcli.h>

Inheritance diagram for ATL::CComVariant:

Collaboration diagram for ATL::CComVariant:

Public Member Functions
	CComVariant ()
	CComVariant (const CComVariant &other)
	~CComVariant ()
	CComVariant (LPCOLESTR lpStr)
	CComVariant (LPCSTR lpStr)
	CComVariant (bool value)
	CComVariant (char value)
	CComVariant (BYTE value)
	CComVariant (short value)
	CComVariant (unsigned short value)
	CComVariant (int value, VARENUM type=VT_I4)
	CComVariant (unsigned int value, VARENUM type=VT_UI4)
	CComVariant (long value, VARENUM type=VT_I4)
	CComVariant (unsigned long value)
	CComVariant (float value)
	CComVariant (double value, VARENUM type=VT_R8)
	CComVariant (const LONGLONG &value)
	CComVariant (const ULONGLONG &value)
	CComVariant (const CY &value)
HRESULT	Clear ()
HRESULT	Copy (_In_ const VARIANT *src)
HRESULT	ChangeType (_In_ VARTYPE newType, _In_opt_ const LPVARIANT src=NULL)

Additional Inherited Members
Public Attributes inherited from tagVARIANT
union {
struct __tagVARIANT {
VARTYPE   vt
WORD   wReserved1
WORD   wReserved2
WORD   wReserved3
union {
signed char   cVal
USHORT   uiVal
ULONG   ulVal
INT   intVal
UINT   uintVal
BYTE   bVal
SHORT   iVal
LONG   lVal
FLOAT   fltVal
DOUBLE   dblVal
VARIANT_BOOL   boolVal
SCODE   scode
DATE   date
BSTR   bstrVal
CY   cyVal
IUnknown *   punkVal
IDispatch *   pdispVal
SAFEARRAY *   parray
LONGLONG   llVal
ULONGLONG   ullVal
signed char *   pcVal
USHORT *   puiVal
ULONG *   pulVal
INT *   pintVal
UINT *   puintVal
BYTE *   pbVal
SHORT *   piVal
LONG *   plVal
FLOAT *   pfltVal
DOUBLE *   pdblVal
VARIANT_BOOL *   pboolVal
SCODE *   pscode
DATE *   pdate
BSTR *   pbstrVal
VARIANT *   pvarVal
PVOID   byref
CY *   pcyVal
DECIMAL *   pdecVal
IUnknown **   ppunkVal
IDispatch **   ppdispVal
SAFEARRAY **   pparray
LONGLONG *   pllVal
ULONGLONG *   pullVal
struct __tagBRECORD {
PVOID   pvRecord
IRecordInfo *   pRecInfo
}   __VARIANT_NAME_4
}   __VARIANT_NAME_3
}   __VARIANT_NAME_2
DECIMAL   decVal
}	__VARIANT_NAME_1

Detailed Description

Definition at line 430 of file atlcomcli.h.

Constructor & Destructor Documentation

CComVariant() [1/18]

ATL::CComVariant::CComVariant ( )

inline

Definition at line 433 of file atlcomcli.h.

    {
        ::VariantInit(this);
    }

CComVariant() [2/18]

ATL::CComVariant::CComVariant ( const CComVariant &  other )

inline

Definition at line 438 of file atlcomcli.h.

    {
        V_VT(this) = VT_EMPTY;
        Copy(&other);
    }

~CComVariant()

ATL::CComVariant::~CComVariant ( )

inline

Definition at line 444 of file atlcomcli.h.

    {
        Clear();
    }

CComVariant() [3/18]

ATL::CComVariant::CComVariant ( LPCOLESTR  lpStr )

inline

Definition at line 449 of file atlcomcli.h.

    {
        V_VT(this) = VT_BSTR;
        V_BSTR(this) = ::SysAllocString(lpStr);
    }

CComVariant() [4/18]

ATL::CComVariant::CComVariant ( LPCSTR  lpStr )

inline

Definition at line 455 of file atlcomcli.h.

    {
        V_VT(this) = VT_BSTR;
        CComBSTR str(lpStr);
        V_BSTR(this) = str.Detach();
    }

CComVariant() [5/18]

ATL::CComVariant::CComVariant ( bool  value )

inline

Definition at line 462 of file atlcomcli.h.

    {
        V_VT(this) = VT_BOOL;
        V_BOOL(this) = value ? VARIANT_TRUE : VARIANT_FALSE;
    }

CComVariant() [6/18]

ATL::CComVariant::CComVariant ( char  value )

inline

Definition at line 468 of file atlcomcli.h.

    {
        V_VT(this) = VT_I1;
        V_I1(this) = value;
    }

CComVariant() [7/18]

ATL::CComVariant::CComVariant ( BYTE  value )

inline

Definition at line 474 of file atlcomcli.h.

    {
        V_VT(this) = VT_UI1;
        V_UI1(this) = value;
    }

CComVariant() [8/18]

ATL::CComVariant::CComVariant ( short  value )

inline

Definition at line 480 of file atlcomcli.h.

    {
        V_VT(this) = VT_I2;
        V_I2(this) = value;
    }

CComVariant() [9/18]

ATL::CComVariant::CComVariant ( unsigned short  value )

inline

Definition at line 486 of file atlcomcli.h.

    {
        V_VT(this) = VT_UI2;
        V_UI2(this) = value;
    }

CComVariant() [10/18]

ATL::CComVariant::CComVariant ( int  value, VARENUM  type = VT_I4  )

inline

Definition at line 492 of file atlcomcli.h.

    {
        if (type == VT_I4 || type == VT_INT)
        {
            V_VT(this) = type;
            V_I4(this) = value;
        }
        else
        {
            V_VT(this) = VT_ERROR;
            V_ERROR(this) = E_INVALIDARG;
        }
    }

CComVariant() [11/18]

ATL::CComVariant::CComVariant ( unsigned int  value, VARENUM  type = VT_UI4  )

inline

Definition at line 506 of file atlcomcli.h.

    {
        if (type == VT_UI4 || type == VT_UINT)
        {
            V_VT(this) = type;
            V_UI4(this) = value;
        }
        else
        {
            V_VT(this) = VT_ERROR;
            V_ERROR(this) = E_INVALIDARG;
        }
    }

CComVariant() [12/18]

ATL::CComVariant::CComVariant ( long  value, VARENUM  type = VT_I4  )

inline

Definition at line 520 of file atlcomcli.h.

    {
        if (type == VT_I4 || type == VT_ERROR)
        {
            V_VT(this) = type;
            V_I4(this) = value;
        }
        else
        {
            V_VT(this) = VT_ERROR;
            V_ERROR(this) = E_INVALIDARG;
        }
    }

CComVariant() [13/18]

ATL::CComVariant::CComVariant ( unsigned long  value )

inline

Definition at line 534 of file atlcomcli.h.

    {
        V_VT(this) = VT_UI4;
        V_UI4(this) = value;
    }

CComVariant() [14/18]

ATL::CComVariant::CComVariant ( float  value )

inline

Definition at line 540 of file atlcomcli.h.

    {
        V_VT(this) = VT_R4;
        V_R4(this) = value;
    }

CComVariant() [15/18]

ATL::CComVariant::CComVariant ( double  value, VARENUM  type = VT_R8  )

inline

Definition at line 546 of file atlcomcli.h.

    {
        if (type == VT_R8 || type == VT_DATE)
        {
            V_VT(this) = type;
            V_R8(this) = value;
        }
        else
        {
            V_VT(this) = VT_ERROR;
            V_ERROR(this) = E_INVALIDARG;
        }
    }

CComVariant() [16/18]

ATL::CComVariant::CComVariant ( const LONGLONG &  value )

inline

Definition at line 560 of file atlcomcli.h.

    {
        V_VT(this) = VT_I8;
        V_I8(this) = value;
    }

CComVariant() [17/18]

ATL::CComVariant::CComVariant ( const ULONGLONG &  value )

inline

Definition at line 566 of file atlcomcli.h.

    {
        V_VT(this) = VT_UI8;
        V_UI8(this) = value;
    }

CComVariant() [18/18]

ATL::CComVariant::CComVariant ( const CY &  value )

inline

Definition at line 572 of file atlcomcli.h.

    {
        V_VT(this) = VT_CY;
        V_I8(this) = value.int64;
    }

Member Function Documentation

ChangeType()

HRESULT ATL::CComVariant::ChangeType ( _In_ VARTYPE  newType, _In_opt_ const LPVARIANT  src = NULL  )

inline

Definition at line 589 of file atlcomcli.h.

    {
        const LPVARIANT lpSrc = src ? src : this;
        return ::VariantChangeType(this, lpSrc, 0, newType);
    }

Referenced by CShellDispatch::ShellExecute().

Clear()

HRESULT ATL::CComVariant::Clear ( )

inline

Definition at line 579 of file atlcomcli.h.

    {
        return ::VariantClear(this);
    }

Referenced by ~CComVariant().

Copy()

HRESULT ATL::CComVariant::Copy ( _In_ const VARIANT *  src )

inline

Definition at line 584 of file atlcomcli.h.

    {
        return ::VariantCopy(this, const_cast<VARIANT*>(src));
    }

Referenced by CComVariant(), and CMemPropertyBag::Write().

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The documentation for this class was generated from the following file:

• sdk/lib/atl/atlcomcli.h