IArchiveOpenCallback ​

Use this interface to report back the progress of opening the archive. See IInArchive::Open. It defines the following methods:

SetTotal ​

HRESULT SetTotal(
    UInt64 numItems
);

HRESULT SetTotal(
    UInt64 numItems
);

Use this method to set the total number of 'steps' to be processed. It can be the total number of items in the archive or any other value.

[in] numItems

The total number of 'steps' to process.

SetCompleted ​

HRESULT SetCompleted(
    const UInt64 *completeValue
);

HRESULT SetCompleted(
    const UInt64 *completeValue
);

Use this method to increment the number of already processed 'steps'.

[in] completeValue

The number of already processed 'steps'.