Atom index
A 16-bit integer that identifies which atom of the specified type is to be used as the preview.
Overview
Typically, this field is set to 1 to indicate that you should use the first atom of the type specified in the atom type field.
A 16-bit integer that identifies which atom of the specified type is to be used as the preview.
Typically, this field is set to 1 to indicate that you should use the first atom of the type specified in the atom type field.