Qt compile-time error

[borisbn]

your class PortScannerEngine should be derived from QObject. change

class PortScannerEngine

class PortScannerEngine

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to

class PortScannerEngine : public QObject

class PortScannerEngine : public QObject

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P.S. by the way, do not attach small code. just insert it in your post

[prykHetQuo]

your class PortScannerEngine should be derived from QObject. change

class PortScannerEngine

class PortScannerEngine

To copy to clipboard, switch view to plain text mode 

to

class PortScannerEngine : public QObject

class PortScannerEngine : public QObject

To copy to clipboard, switch view to plain text mode 

Thank you for your reply.

Although I had checked the QObject derivation, somehow I missed it.