Some plt files cannot be converted. These files can be opened with other programs.
Image loading failed: Cannot open an image. The image file format may be not supported at the moment.
at Aspose.CAD.Image.LoadImage(StreamContainer streamContainer, LoadOptions loadOptions)
at Aspose.CAD.Image.Load(String filePath)
The API does support PLT files. If you are facing any issue while using latest version then please share the source file reproducing the issue on your end.
I have created an issue with ID CADNET-8309 in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be fixed.
Clearly the files that you have shared are not working. We need to investigate this further on our end and will be able to share the feedback with you as soon as it will be shared.
The issues you have found earlier (filed as CADNET-8309) have been fixed in this Aspose.CAD for .NET 22.1 update. This message was posted using Bugs notification tool by Oleksii.Gorokhovatskyi