Microsoft Specific
A _bstr_t object encapsulates the BSTR data type. The class manages resource allocation and deallocation through function calls to SysAllocString and SysFreeString and other BSTR APIs when appropriate. The _bstr_t class uses reference counting to avoid excessive overhead.
Construction
Constructs a _bstr_t object. |
Operations
Copies a BSTR into the BSTR wrapped by a _bstr_t. |
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Links a _bstr_t wrapper to a BSTR. |
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Constructs a copy of the encapsulated BSTR. |
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Returns the BSTR wrapped by a _bstr_t and detaches the BSTR from the _bstr_t. |
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Points to the BSTR wrapped by a _bstr_t. |
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Points to the beginning of the BSTR wrapped by the _bstr_t. |
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Returns the number of characters in the _bstr_t. |
Operators
Assigns a new value to an existing _bstr_t object. |
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Appends characters to the end of the _bstr_t object. |
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Concatenates two strings. |
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Checks if the encapsulated BSTR is a NULL string. |
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Compares two _bstr_t objects. |
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Extract the pointers to the encapsulated Unicode or multibyte BSTR object. |
Requirements
Header: comutil.h
Lib: comsuppw.lib or comsuppwd.lib (see /Zc:wchar_t (wchar_t Is Native Type) for more information)