Error-Handling Interfaces

Objects that are invoked through virtual function table (VTBL) binding need to use the Automation error handling interfaces and functions to define and return error information.

In this section

TopicDescription

Returning Error Information

Describes how to return error information.

Retrieving Error Information

Describes how to retrieve error information.

ICreateErrorInfo

Returns error information.

IErrorInfo

Provides detailed contextual error information.

ISupportErrorInfo

Ensures that error information can be propagated up the call chain correctly. Automation objects that use the error handling interfaces must implement ISupportErrorInfo.

 

Related topics

Error-Handling Functions
Returning Error Information
Retrieving Error Information

 

 

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