枠を描く

void CPaintDlg::OnLButtonUp(UINT nFlags, CPoint point)

{

CDialog::OnLButtonUp(nFlags, point);

}

に以下のものを追加する。

//枠を描く

delete myPen;

myPen=new CPen;

myPen-$>$CreatePen(PS_SOLID,1,RGB(0,0,255));

pDC-$>$SelectObject(myPen);

for(int k=0; k $<$= 2; k++){

pDC-$>$MoveTo(xmin+k*bisectx,ymin);

pDC-$>$LineTo(xmin+k*bisectx, ymax);

}

for(int j=0;j$<$=3; j++){

pDC-$>$MoveTo(xmin,ymin+j*trisecty);

pDC-$>$LineTo(xmax,ymin+j*trisecty);

}

delete myPen;

myPen=new CPen;

myPen-$>$CreatePen(PS_SOLID,3,RGB(255,0,0));