Unknown tag OPIIMAGEID

[CFZellkraft]

I am trying to set the TiffTag.OPIIMAGEID.

I tried using
.SetField(TiffTag.OPIIMAGEID, 0);
and
.SetField(TiffTag.OPIIMAGEID, "ID0");

both resulted in the "Unknown tag OPIIMAGEID" message.

[shibaev]

As a workaround, you can write it as custom tag: https://github.com/BitMiracle/libtiff.net/tree/master/Samples/ReadWriteCustomTags

[CFZellkraft]

Thank you very much. I already did that but wanted to rise the issue nonetheless as someone else might stumble upon this.