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Exception from hresult 0x8007007e ERROR for Port.dll in Spectrum Analyzer in vb

Heello

I want to implement spectrum analyzer in vb . I googled it and find an open source project. However it has Port.dll file . This is very old dll so this is not work in 64-bit machine.

Link: Spectrum Analyzer

Is there anybody know how to solve port.dll problem (or where to find new version port.dll) or any source codes for spectrum analyzer ?

Thanks

Solution

  • I found the answer. VS could not add the dll file to debug folder in project. After manually adding the dll into debug folder, this error is disappeared. Now , i have another problem ("A call to PInvoke function has unbalanced the stack." . That is not relevant with this question. Anyway, the solution is that you have to copy manually dll into debug folder.

    (Remark: Some people downvoted my question without giving any answers. I could not understand kind of those people.)