Yes, GroupDocs.Signature for .NET now supports embedding custom objects as metadata signature in the images. So you can now sign the images with your desired metadata properties. We have introduced this feature in version 19.6 by adding a new public method AddSignature to the ImageMetadataSignOptions class. Not only this, but you can also apply the data encryption to the custom objects. So let’s check out how easy it is to sign an image with custom metadata signature....cmx (CorelDraw) format as image documents Ability...FlatOpc formats Support of . cdr (CorelDraw) file format for verification...