cannot convert parameter 1 from 'char' to 'LPCWSTR'
I keep getting this error: cannot convert parameter 1 from 'char' to 'LPCWSTR' int main(int argc, char argv[]) { // open port for I/O HANDLE h = CreateFile(argv[1],GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL); if(h == INVALID_HANDLE_VALUE) { PrintError("E012_Failed to open port"); can someone help? It should be int main(int argc, char* argv[]) And HANDLE h = CreateFileA(argv[1],GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL); Go to the Properties for your Project and under Configuration Properties/General, change the Character Set to "Not Set". This way, the compiler will