Use a thread and call a function

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1.00/5 (2 votes)

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I'm using a thread in a class but I don't know how I can call a function:

UINT ThreadProc(LPVOID pParam)
{
	CString strFile = CSc::CONFIG->PercFileScarico_K3();

	
	CFile cfile;
	cfile.Open(strFile, CFile::modeRead);
	CFileStatus status;
	cfile.GetStatus(status); //m_mtime 
	COleDateTime date(status.m_mtime.GetTime());

	
	if (date != CSc::CONFIG->GetDate())
	{
	    CSc::LeggiFileXMLDiScarico(); --> error in this row
		CSc::CONFIG->GetDate() = date;
	}
	return 0;
}


void CSc::AggiornTimer()
{	
    AfxBeginThread(ThreadProc, 0);
}

error is:
C2352 'CSc::LeggiFileXMLDiScarico': illegal call of non-static member function

What I have tried:

I tried to create an object, but I have error

Posted 31-May-23 23:55pm

Member 14594285

Updated 1-Jun-23 0:59am

Andre Oosthuizen

v2

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Andre Oosthuizen 1-Jun-23 6:29am

Non-static member functions can only be called on an instance of the class - Static Member Functions [^] - whereas static member functions are associated with the class itself and can be called without an instance.

Based on whether LeggiFileXMLDiScarico() depends on instance-specific data or not, you can create an instance of the CSc class or you can make LeggiFileXMLDiScarico() a static member function.

Static member functions [^]

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CPallini · Answer 1 · 2023-06-01T00:59:00

Possibly you need something like (not tested)

C++

UINT ThreadProc(LPVOID pParam)
{
    CSC * pcsc = reinterpret_cast<CSC*>(pParam); // added

	CString strFile = CSc::CONFIG->PercFileScarico_K3();
	
	CFile cfile;
	cfile.Open(strFile, CFile::modeRead);
	CFileStatus status;
	cfile.GetStatus(status); //m_mtime 
	COleDateTime date(status.m_mtime.GetTime());
	
	if (date != CSc::CONFIG->GetDate())
	{
	    pcsc->LeggiFileXMLDiScarico(); // changed
		CSc::CONFIG->GetDate() = date;
	}
	return 0;
}


void CSc::AggiornTimer()
{	
    AfxBeginThread(ThreadProc, this); //changed
}