丸や四角や線を書く
RECT rect;
rect.bottom =60;
rect.top =30;
rect.left =30;
rect.right = 80;
pDC->SetBkMode(TRANSPARENT);
pDC->DrawText("1233445",-1,&rect, DT_CENTER);
// ペンの設定
CPen pen(PS_SOLID,1,0x00999900);
CPen* oldPen=pDC->SelectObject(&pen);
//ブラシの設定
CBrush brush;
CBrush* pBrushOld;
brush.CreateSolidBrush(0x00ff00ff);
pBrushOld=pDC->SelectObject(&brush);
pDC->Ellipse(100,100,200,200);
//ペンを戻す
pDC->SelectObject(oldPen);
pen.DeleteObject();
//ブラシを戻す
pDC->SelectObject(pBrushOld);
brush.DeleteObject();