Microsoft DirectX 8.1 (C++) |
Allocates and fills a task-allocated BSTR string.
Syntax
STDAPI WriteBSTR(
BSTR *pstrDest,
LPCWSTR szSrc
);
Parameters
pstrDest
Pointer to where the allocated BSTR will be stored.
szSrc
Pointer to a wide-character string that will be copied to the newly allocated BSTR string.
Return Value
Returns an HRESULT value.
Remarks
Memory is allocated for passing between objects across interfaces by calling CoTaskMemAlloc. It is freed by calling CoTaskMemFree. By using a central memory allocator, memory can be allocated, passed, and freed safely between objects created in different programming languages.
See Also