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
| Topic | Description |
|---|---|
| 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. |