CBaseDispatch Class

  • 项目

This class is a base class that implements the IDispatch interface for use in a dual interface. A dual interface provides Automation and custom interface access to an interface.

CMediaControl and CMediaPosition (and other dual-interface support classes) are derived from this class or have members that are instances of this class.

For more information about the IDispatch methods, see the COM documentation included with the Microsoft Platform Software Development Kit (SDK).

Member Functions

Member function Description
CBaseDispatch Constructs a CBaseDispatch object.

Implemented IDispatch Methods

Method Description
GetIDsOfNames Maps a single member function and an optional set of parameters to a corresponding set of integer dispatch identifiers, which can be used upon subsequent calls to the IDispatch::Invoke method.
GetTypeInfo Retrieves a type-information object, which can retrieve the type information for an interface.
GetTypeInfoCount Retrieves the number of type-information interfaces provided by an object.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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Last updated on Wednesday, April 13, 2005

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