case wxBK_BOTTOM:
rectPage.height -= size.y + GetInternalBorder();
+ if (rectPage.height < 0)
+ rectPage.height = 0;
break;
case wxBK_LEFT:
case wxBK_RIGHT:
rectPage.width -= size.x + GetInternalBorder();
+ if (rectPage.width < 0)
+ rectPage.width = 0;
break;
}