c# - System.ArgumentException Requested value was not found -


i have c# aplication use c++ .dll.

when call method dll, an: system.argumentexception. requested value 'c:\test\test.csv' not found.

the file dies exist @ path , have c++ application uses .dll , work well.

testdata.convert.toprodfile("c:\\test\\test.csv");

the role of method convert , write file.

does have idea exception?

are sure right exception ? mean there may problem message thrown instead, of course if file not exist. have dll source code ?


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