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System.Comment Photo Metadata Policy

  • Article

The photo metadata policy for the System.Comment property.

PKEY

PKEY_Comment

Containers

JPEG, TIFF

Read-Only

No

Output PROPVARIANT Type

VT_LPWSTR

Input PROPVARIANT Type

VT_LPWSTR or VT_LPSTR

Conflict Resolution Policy

Values from different schemas are reconciled.

JPEG Policy

Read Paths

Order Path Disk Format
1 /app1/ifd/{ushort=40092} unicode_bytes
2 /app1/ifd/{ushort=37510} unicode
3 /xmp/<xmpalt>exif:UserComment unicode

 

Write Paths

Order Path Disk Format
1 /app1/ifd/{ushort=40092} unicode_bytes

 

Remove Paths

Order Path
1 /app1/ifd/{ushort=40092}
2 /app1/ifd/exif/{ushort=37510}
3 /xmp/exif:UserComment

 

TIFF Policy

Read Paths

Order Path Disk Format
1 /ifd/{ushort=40092} unicode_bytes
2 /ifd/{ushort=37510} unicode
3 /ifd/xmp/<xmpalt>exif:UserComment unicode

 

Write Paths

Order Path Disk Format
1 /ifd/{ushort=40092} unicode_bytes

 

Remove Paths

Order Path
1 /ifd/{ushort=40092}
2 /ifd/{ushort=37510}
3 /ifd/xmp/exif:UserComment

 

Remarks

System.Comment