System.BadImageFormatException

[Brian Liu]

Hi,
I download TwainDirect sample code from https://github.com/twain/twain-direct.
I build windows x64 version, including TwainDirect and pdfraster solution. It’s fine to run TwainDriect bridge and execute startCapturing, but throw exception at below code.

TwainLocalOnTwain.cs, line 859,
blSuccess = PdfRaster.CreatePdfRaster
(
szPdfFile,
m_szEncryptionProfileName,
Config.Get(“pfxFile”, “”),
Config.Get(“pfxFilePassword”, “”),
szMeta,
abImage,
a_iImageOffset,
szPixelFormat,
szCompression,
twimageinfo.XResolution.Whole,
twimageinfo.ImageWidth,
twimageinfo.ImageLength
);

The exception message is
System.BadImageFormatException: Could not load file or assembly. ‘pdfras_writer_managed, Version=0.14.7263.27603, Culture=neutral, PublicKeyToken=null’

I am sure pdfraster solution is build by set x64.

Thanks.

[markm]

To be honest, I’ve not checked the 64-bit code path recently. I usually do 32-bit, since I’ve been focused on making sure the TWAIN Bridge works, and most old drivers are 32-bit. I’ll give it a shot and get back to you.

[Author]

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