Well, I only saw the second-level C/ in 2018 a few days ago. However, for this broken thing, many times are forced to write. Net language that Microsoft strongly supports, not MFC, which is a very very outdated broken thing. If you want to write this kind of serial communication program, either use the underlying API or use The. The root cause is that this ActiveX control is not included in the win10 installation at all, and the higher version of VS will not come with it. And there is no MsComm control in the COM component provided by the VS toolbox. It is found that the dialog box resource containing the MsComm control cannot be opened, and it prompts that the ActiveX control is not registered on this computer. Open the project with VS and enter the resource view. I reinstalled the system a few days ago, and then used MsComm control(Microsoft Communications Control) The program for serial communication cannot be run.
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