Constructing Filter Graphs Using Visual Basic

This article describes how to use Microsoft® Visual Basic® to manage the components of a filter graph.

This article is written for the Visual Basic developer who is already familiar with application programming in Microsoft® Windows®, Windows-based multimedia programming, and Automation features of the Visual Basic programming system.

Note:   In DirectX 9, the DirectShow Visual Basic sample applications are located in [sdk root]\Extras\DirectShow\VB Samples. In DirectX 8.1, the samples are located in [sdk root]\Samples\Multimedia\VBSamples\DirectShow.

This article contains the following sections.

• About the DirectShow Quartz.dll Objects
• Creating a Filter Graph
• Generating the Complete Filter Graph
• Creating a New Filter Graph and Adding Filters
• Connecting Filter Pins
• Viewing Pin Connection Information
• Summary