C / C++ / MFC

ChristopherAtCodeProject wrote:

First-chance exception in Threading Sample.exe (NTDLL.DLL): 0xC0000005: Access Violation.

<br />
	((CMenu*)GetSystemMenu(FALSE))->DeleteMenu(1, 1024);<br />

CCheckPoint() {
    this->m_cRef = ULONG(0);
    this->m_pConnection = (IConnection*)NULL;
}

class A {
    int m_i;
 
  public:
    A(void) : m_i(0) { }
    A(const A& a) : m_i(a.m_i) { }
    A(int i) : m_i(i) { }
};
 
 
class B : public A {
  public:
    B() : A() { }
    B(const B& b) : A(b) { }
};

Save My Soul - (SMS) wrote:

CCheckPoint():m_cRef(0), m_pConnection(NULL){}

CCheckPoint(int n):BaseClass(n), m_cRef(n)
{
}

 /// in that class you will create a button, and use the OnPaint to draw the shape.
class CButtonShape : public CWnd
{
	DECLARE_DYNAMIC(CButtonShape)
	
	CBrush m_Brush;
	CButton m_Button;
public:
	CButtonShape();
	virtual ~CButtonShape();

protected:
	DECLARE_MESSAGE_MAP()
public:
	afx_msg void OnPaint();
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
};