MMC Snap-In Classes
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at MMC Snap-In Classes (ATL).
The following classes provide support for developing Microsoft Management Console (MMC) snap-in components:
CSnapInItemImpl Implements a snap-in node object, such as adding menu items and toolbars, and forwarding commands for the snap-in node to the appropriate handler function.
CSnapInPropertyPageImpl Implements a snap-in property page object.