What does HRESULT 0xC0AA0505 (E_IMAPI_DF2TAO_TABLE_OF_CONTENTS_EMPTY_DISC) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: the Track-at-Once table of contents is unavailable because the disc is blank.

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E_IMAPI_DF2TAO_PROPERTY_FOR_BLANK_MEDIA_ONLY	E_IMAPI_DF2TAO_MEDIA_IS_NOT_BLANK

E_IMAPI_DF2TAO_TABLE_OF_CONTENTS_EMPTY_DISC

E_IMAPI_DF2TAO_TABLE_OF_CONTENTS_EMPTY_DISC is returned by the expected-table-of-contents property when the medium is blank. Microsoft documents that ExpectedTableOfContents is accessible only inside a prepared track-writing session and is not accessible for a blank disc.

Distinguish blank-media state from TOC parsing failure

Confirm that PrepareMedia succeeded before reading the property.
Check NumberOfExistingTracks or used-sector state before expecting an existing audio TOC.
Do not treat an empty blank disc as a corrupt table of contents.

The expected TOC describes audio tracks already laid on the media within the track-writing session and returns SCSI-form data. On a new blank CD there is no existing table to return. If the application needs to preview the layout it plans to create, track its own queued audio streams and projected track order; querying the existing-disc TOC is not a substitute for an application-side plan.

ExpectedTableOfContents · Track count · PrepareMedia

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