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Microsoft Specific
Appends characters to the end of the _bstr_t object or concatenates two strings.
_bstr_t& operator+=(
const _bstr_t& s1
);
_bstr_t operator+(
const _bstr_t& s1
);
friend _bstr_t operator+(
const char* s2,
const _bstr_t& s1
);
friend _bstr_t operator+(
const wchar_t* s3,
const _bstr_t& s1
);
Parameters
s1
A _bstr_t object.s2
A multibyte string.s3
A Unicode string.
Remarks
These operators perform string concatenation:
operator+=( s1 ) Appends the characters in the encapsulated BSTR of s1 to the end of this object's encapsulated BSTR.
operator+( s1 ) Returns the new _bstr_t that is formed by concatenating this object's BSTR with that of s1.
operator+( s2 | s1 ) Returns a new _bstr_t that is formed by concatenating a multibyte string s2, converted to Unicode, with the BSTR encapsulated in s1.
operator+( s3**,** s1 ) Returns a new _bstr_t that is formed by concatenating a Unicode string s3 with the BSTR encapsulated in s1.
END Microsoft Specific