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The following table shows the Automation interfaces with a description of the purpose of each.
| Programming element | Description |
|---|---|
| ICreateErrorInfo | This interface returns error information for applications that return rich error information. |
| ICreateTypeInfo | This interface provides the tools for creating and administering the type information defined through the type description. |
| ICreateTypeInfo2 | This interface derives from ICreateTypeInfo and adds methods for deleting items that have been added through ICreateTypeInfo. |
| ICreateTypeLib | This interface provides the methods for creating and managing the component or file that contains type information. |
| ICreateTypeLib2 | ICreateTypeLib2 inherits from ICreateTypeLib, and has four member functions. |
| IDispatch | This interface exposes objects, methods, and properties to Automation programming tools and other applications. |
| IEnumVARIANT | This interface provides a method for enumerating a collection of variants, including heterogeneous collections of objects and intrinsic types. |
| IErrorInfo | This interface provides detailed contextual error information for applications that receive rich information. |
| ISupportErrorInfo | This interface ensures that error information can be propagated up the call chain correctly. |
| ITypeComp | This interface provides a fast way to access information that compilers need when binding to and instantiating structures and interfaces. |
| ITypeInfo | This interface is typically used for reading information about objects. |
| ITypeInfo2 | This interface allows ITypeInfo to cast to an ITypeInfo2 in performance-sensitive cases. |
| ITypeLib | This interface provides methods for accessing a library of type descriptions. |
| ITypeLib2 | This interface inherits from the ITypeLib interface. |
See Also
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