C / C++ / MFC

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

void main( void )
{
    int a; // this variable exists as long as main() does
 
    {
        int *x; // can access both a and x here
        x = new int;
    }
 
    // x no longer exists since it has gone out of scope.  However, the
    // memory that was allocated has not been freed
}

class someclass
{
public:
    void somefunction(int *n)
    {
        a = n;
    }
private:
    int *a;
};

void main( void )
{
    someclass sc;

    {
        int x = 5;
        sc.somefunction(&x);
    }

    // at this point, the object sc cannot do anything with its member
    // variable a because the variable x that it pointed to no longer
    // exists
}

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

	CGCICsettings* mySettings = new CGCICsettings;<br />
<br />
	mySettings->GetRegSettings();<br />
	mySettings->ipAddress;<br />

void somefunction( void )
{
    CGCICsettings* mySettings = new CGCICsettings;
 
    mySettings->GetRegSettings();
    // use mySettings->ipAddress here
    delete mySettings;
}

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

int nIndex = GetCurSel();
CString strText;
GetText(nIndex, strText);

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

CStatic* pflecha = ( CStatic* ) GetDlgItem( IDC_FLECHA );
pflecha->GetClientRect( &flecharect );
pflecha->MapWindowPoints( this, &flecharect );