Utility Functions

This section contains reference entries for the Microsoft® DirectShow® utility functions and macros. DirectShow provides utilities for conversion, setup, timers, retrieving interfaces and declaring IUnknown, helper functions for math operations, property pages, BSTR functions, and strings, and stream integer functions. Most utilities are contained in Wxutil.h, but others are contained in Combase.h, Errors.h, Pstream.h, Refclock.h, Renbase.h, Videoctl.h, and Wtype.h.

• Bitmap Functions, Macros, and Data
• BSTR Functions
• CBaseRenderer Callback Function
• CCritSec Debug Functions
• Conversion Functions
• CPosPassThru Helper Function
• DLL and Setup Functions
• Error Message Function
• INonDelegatingUnknown Interface
• IUnknown Macro
• Math Helper Functions
• Media Type Functions
• Message Function
• Object and Pin Functions
• Performance Macros
• Property Page Helper Functions
• Reference Time Function
• Stream Integer Functions
• String Functions

---

 Top of Page
© 2000 Microsoft and/or its suppliers. All rights reserved. Terms of Use.