VARIANT struct wrapper. More...

#include <COM.h>

Inheritance diagram for winstd::variant:

Public Member Functions
	variant () noexcept
	Constructs blank VARIANT.

	variant (_In_ const VARIANT &varSrc)
	Constructs VARIANT from another.

	variant (_Inout_ VARIANT &&varSrc) noexcept
	Moves VARIANT from another.

	variant (_In_ bool bSrc) noexcept
	Constructs VARIANT from bool.

	variant (_In_ char cSrc) noexcept
	Constructs VARIANT from character.

	variant (_In_ unsigned char nSrc) noexcept
	Constructs VARIANT from byte.

	variant (_In_ short nSrc) noexcept
	Constructs VARIANT from short.

	variant (_In_ unsigned short nSrc) noexcept
	Constructs VARIANT from unsigned short.

	variant (_In_ int nSrc, _In_ VARTYPE vtSrc=VT_I4) noexcept
	Constructs VARIANT from integer.

	variant (_In_ unsigned int nSrc, _In_ VARTYPE vtSrc=VT_UI4) noexcept
	Constructs VARIANT from unsigned integer.

	variant (_In_ long nSrc, _In_ VARTYPE vtSrc=VT_I4) noexcept
	Constructs VARIANT from long.

	variant (_In_ unsigned long nSrc) noexcept
	Constructs VARIANT from unsigned long.

	variant (_In_ float fltSrc) noexcept
	Constructs VARIANT from float.

	variant (_In_ double dblSrc, _In_ VARTYPE vtSrc=VT_R8) noexcept
	Constructs VARIANT from double or variant date.

	variant (_In_ long long nSrc) noexcept
	Constructs VARIANT from 64-bit integer.

	variant (_In_ unsigned long long nSrc) noexcept
	Constructs VARIANT from unsigned integer.

	variant (_In_ CY cySrc) noexcept
	Constructs VARIANT from CY (64-bit integer)

	variant (_In_z_ LPCOLESTR lpszSrc) noexcept
	Constructs VARIANT from OLE string.

	variant (_In_z_ BSTR bstr) noexcept
	Constructs VARIANT from BSTR.

	variant (_In_opt_ IDispatch *pSrc)
	Constructs VARIANT from IDispatch.

	variant (_In_opt_ IUnknown *pSrc)
	Constructs VARIANT from IUnknown.

	variant (_In_ const SAFEARRAY *pSrc)
	Constructs VARIANT from SAFEARRAY.

virtual	~variant ()
	Destroys VARIANT.

variant &	operator= (_In_ const VARIANT &varSrc)
	Copy from another VARIANT.

variant &	operator= (_Inout_ VARIANT &&varSrc) noexcept
	Moves from another VARIANT.

variant &	operator= (_In_ bool bSrc) noexcept
	Copy from bool value.

variant &	operator= (_In_ char cSrc) noexcept
	Copy from char value.

variant &	operator= (_In_ unsigned char nSrc) noexcept
	Copy from unsigned char value.

variant &	operator= (_In_ short nSrc) noexcept
	Copy from short value.

variant &	operator= (_In_ unsigned short nSrc) noexcept
	Copy from unsigned short value.

variant &	operator= (_In_ int nSrc) noexcept
	Copy from int value.

variant &	operator= (_In_ unsigned int nSrc) noexcept
	Copy from unsigned int value.

variant &	operator= (_In_ long nSrc) noexcept
	Copy from long value.

variant &	operator= (_In_ unsigned long nSrc) noexcept
	Copy from unsigned long value.

variant &	operator= (_In_ long long nSrc) noexcept
	Copy from long long value.

variant &	operator= (_In_ unsigned long long nSrc) noexcept
	Copy from unsigned long long value.

variant &	operator= (_In_ float fltSrc) noexcept
	Copy from float value.

variant &	operator= (_In_ double dblSrc) noexcept
	Copy from double value.

variant &	operator= (_In_ CY cySrc) noexcept
	Copy from CY value.

variant &	operator= (_In_z_ LPCOLESTR lpszSrc) noexcept
	Copy from OLE string value.

variant &	operator= (_Inout_opt_ IDispatch *pSrc)
	Copy from IDispatch.

variant &	operator= (_Inout_opt_ IUnknown *pSrc)
	Copy from IUnknown.

variant &	operator= (_In_ unsigned char *pbSrc) noexcept
	Copy from unsigned char reference.

variant &	operator= (_In_ short *pnSrc) noexcept
	Copy from short reference.

variant &	operator= (_In_ unsigned short *pnSrc) noexcept
	Copy from unsigned short reference.

variant &	operator= (_In_ int *pnSrc) noexcept
	Copy from int reference.

variant &	operator= (_In_ unsigned int *pnSrc) noexcept
	Copy from unsigned int reference.

variant &	operator= (_In_ long *pnSrc) noexcept
	Copy from long reference.

variant &	operator= (_In_ unsigned long *pnSrc) noexcept
	Copy from unsigned long reference.

variant &	operator= (_In_ long long *pnSrc) noexcept
	Copy from long long reference.

variant &	operator= (_In_ unsigned long long *pnSrc) noexcept
	Copy from unsigned long long reference.

variant &	operator= (_In_ float *pfSrc) noexcept
	Copy from float reference.

variant &	operator= (_In_ double *pfSrc) noexcept
	Copy from double reference.

variant &	operator= (_In_ const SAFEARRAY *pSrc) noexcept
	Copy from SAFEARRAY.

bool	operator== (_In_ const VARIANT &varSrc) const noexcept
	Is variant equal to? More...

bool	operator!= (_In_ const VARIANT &varSrc) const noexcept
	Is variant not equal to? More...

bool	operator< (_In_ const VARIANT &varSrc) const noexcept
	Is variant less than? More...

bool	operator> (_In_ const VARIANT &varSrc) const noexcept
	Is variant greater than? More...

bool	operator<= (_In_ const VARIANT &varSrc) const noexcept
	Is variant less than or equal to? More...

bool	operator>= (_In_ const VARIANT &varSrc) const noexcept
	Is variant greater than or equal to? More...

HRESULT	change_type (_In_ VARTYPE _vt, _In_opt_ USHORT wFlags=0) noexcept
	Converts a variant from one type to another. More...

Detailed Description

VARIANT struct wrapper.

Member Function Documentation

◆ change_type()

HRESULT winstd::variant::change_type	(	_In_ VARTYPE	_vt,
		_In_opt_ USHORT	wFlags = `0`
	)

inlinenoexcept

Converts a variant from one type to another.

See also: VariantChangeType function

◆ operator!=()

bool winstd::variant::operator!= ( _In_ const VARIANT & varSrc ) const

inlinenoexcept

Is variant not equal to?

Parameters

[in] varSrc Variant to compare against

Returns

Non zero when variant is not equal to varSrc;
Zero otherwise.

◆ operator<()

bool winstd::variant::operator< ( _In_ const VARIANT & varSrc ) const

inlinenoexcept

Is variant less than?

Parameters

[in] varSrc Variant to compare against

Returns

Non zero when variant is less than varSrc;
Zero otherwise.

◆ operator<=()

bool winstd::variant::operator<= ( _In_ const VARIANT & varSrc ) const

inlinenoexcept

Is variant less than or equal to?

Parameters

[in] varSrc Variant to compare against

Returns

Non zero when variant is less than or equal to varSrc;
Zero otherwise.

◆ operator==()

bool winstd::variant::operator== ( _In_ const VARIANT & varSrc ) const

inlinenoexcept

Is variant equal to?

Parameters

[in] varSrc Variant to compare against

Returns

Non zero when variant is equal to varSrc;
Zero otherwise.

◆ operator>()

bool winstd::variant::operator> ( _In_ const VARIANT & varSrc ) const

inlinenoexcept

Is variant greater than?

Parameters

[in] varSrc Variant to compare against

Returns

Non zero when variant is greater than varSrc;
Zero otherwise.

◆ operator>=()

bool winstd::variant::operator>= ( _In_ const VARIANT & varSrc ) const

inlinenoexcept

Is variant greater than or equal to?

Parameters

[in] varSrc Variant to compare against

Returns

Non zero when variant is greater than or equal to varSrc;
Zero otherwise.

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

include/WinStd/COM.h

Public Member Functions

Detailed Description

Member Function Documentation

◆ change_type()

◆ operator!=()

◆ operator<()

◆ operator<=()

◆ operator==()

◆ operator>()

◆ operator>=()