What does HRESULT 0xC0AA0504 (E_IMAPI_DF2TAO_PROPERTY_FOR_BLANK_MEDIA_ONLY) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: a Track-at-Once property can no longer change after the media has been written.

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E_IMAPI_DF2TAO_MEDIA_IS_PREPARED	E_IMAPI_DF2TAO_TABLE_OF_CONTENTS_EMPTY_DISC

E_IMAPI_DF2TAO_PROPERTY_FOR_BLANK_MEDIA_ONLY

E_IMAPI_DF2TAO_PROPERTY_FOR_BLANK_MEDIA_ONLY identifies a configuration property whose value is meaningful only before any track has been written. The Track-at-Once format is specifically for blank CD-R or CD-RW media, and some recording policy must be fixed while the medium is still blank.

Set blank-media-only properties before the first track write

Trace the property setter and the first successful AddAudioTrack in the session.
Read the existing-track or used-sector state before presenting the property as editable.
When a different recording policy is required, start with suitable blank media rather than retrying the setter on written media.

This HRESULT is a media-history constraint, not a transient write lock. Waiting or reducing write speed will not make the property mutable again. It also differs from E_IMAPI_DF2TAO_MEDIA_IS_PREPARED, which concerns the current session lifecycle. Record both current media state and whether tracks have already been laid down when diagnosing configuration UI that becomes invalid after the burn starts.

IDiscFormat2TrackAtOnce · AddAudioTrack · IMAPI return values

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