problem with matlab2016 load C dll

2018 11 27

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The NNow i am trying to control NI instrument by matlab code. But there are some problems.If i use the line 6 words, the matlab shows

"warning no reference to header "niDigital" added with addheader was found in source"

"warning no reference to header "ivi" added with addheader was found in source"

but if i sue

[a,b]=loadlibrary(dll_file1,lib_file2_func,'includepath',data_trace); the matlab shows:

" fatal error: ivi.h: No such file or directory"

clc
dll_file1 = 'xxxxx\niDigital_64.dll';
lib_file1_typedef = 'xxxxx\IviVisaType.h';
lib_file2_func = 'xxxxx\niDigital.h';
data_trace = 'xxxxx\IVI\Include';
[a,b]=loadlibrary(dll_file1,lib_file1_typedef,'addheader','ivi.h','addheader',lib_file2_func,'includepath',data_trace)
libfunctions('niDigital_64','-full')

the attachment is the dll and header file.

thanks so much