Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

The Wxutil.h header file in the DirectShow base classes provides helper functions for allocating and freeing task-allocated BSTRstrings.

Programming element Description

FreeBSTR

Frees the task-allocated BSTRstring.

WriteBSTR

Creates a task-allocated BSTRstring by allocating task-allocated memory and copying a wide string to it.

See Also

Reference

Utility Functions