C1083 error : Hdispi.h no such file or directory in c#

I'm trying to find the path of COM port ,i got error my execution : Hdispi.h no such file or directory in C# . Already i see some solution like

1.add extern "C"{#include<Hdispi.h>} in program ,
2. tool->option->VC++ directories all tab.

that also i did that ,but the error is still showing.. ,how to clear that error?
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