ArgumentException Occurred when Converting PPTX to GIF in C#

Unhandled exception. System.ArgumentException: Parameter is not valid.
at System.Drawing.Bitmap.LockBits(Rectangle rect, ImageLockMode flags, PixelFormat format)
at ⸮.(Bitmap , Rectangle, )

demo.7z (2.8 MB)

SWF also has issues

@78783718,
Thank you for reporting on the issue. We are sorry that you have to encounter this problem. I am working on the issue and will get back to you soon.

@78783718,
I’ve reproduced the exception you described.

We have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.

Issue ID(s): SLIDESNET-44658

You can obtain Paid Support Services if you need support on a priority basis, along with the direct access to our Paid Support management team.

Please also share the following additional information if it is possible:

  • OS version on which the exception occurred
  • .NET target platform in your app project

Could you please describe the issues you found or indicate them on screenshots?

The issues you found earlier (filed as SLIDESNET-44658) have been fixed in Aspose.Slides for .NET 24.9 (ZIP, MSI, NuGet, Cross-platform).
You can check all fixes on the Release Notes page.
You can also find the latest version of our library on the Product Download page.