Aspose.PDF for .NET pdf到tif图片

转一个pdf到tif图片,300DPI就出错,200DPI就没问题.
device.Process(document, ThePageNumber, ThePageNumber, fs) 这一行出错,
Dim Myresolution As Aspose.Pdf.Devices.Resolution
Myresolution = New Aspose.Pdf.Devices.Resolution(quality)222.png (20.4 KB)
11111111.png (25.1 KB)

quality 为200不出错,300就出错,同样的代码

@chengengpeng,

Thanks for contacting support.

Can you please share source files so that we may further investigate to help you out.