C / C++ / MFC

Dosin wrote:

class header
{
public:
char version[6];
char title[20];
int index;
header();
virtual ~header();
};

#include <string.h>
 
class CWrongBase
{
public:
    CWrongBase() {}
    virtual ~CWrongBase() {}
};
 
class CWrong : public CWrongBase
{
public:
    int m_Num;
};
 
void main()
{
    CWrongBase *pBase = new CWrong;
    memset(pBase, 0, sizeof(CWrong));
       // Will crash with the line above as it destroys v-table pointer.
    delete pBase;
}

Larsson wrote:

if it uncheck when I press it I need to bring up a new dialog window

void CMFCDialogDlg::OnCheck1() 
{
	UpdateData(TRUE);
	if (m_bCheck)
	{
		// Show your dialog.
		AfxMessageBox(_T("Dialog goes here..."));
	}

}