ISupportErrorInfo Interface

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

Implemented by

Used by

Header filename

Applications that return error information.

Applications that retrieve error information.

Oleauto.h (32-bit systems)

Dispatch.h (16-bit systems)

IUnknown Methods

Description

QueryInterface

Returns pointers to supported interfaces.

AddRef

Increments reference count.

Release

Decrements reference count.

ISupportErrorInfo Methods

Description

InterfaceSupportsErrorInfo

Indicates whether an interface supports the IErrorInfo interface.

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