_BorderSize
float _BorderSize() const;
static float _BorderSize(border_style border);
float _BorderSize() const;
if (bounds.right - _BorderSize() != windowBounds.right
|| bounds.bottom - _BorderSize() != windowBounds.bottom) {
float border = _BorderSize() - 1;
float offset = _BorderSize() - _BorderSize(border);
float borderSize = _BorderSize();
fTarget->MoveBy(_BorderSize(), _BorderSize());
return _BorderSize(fBorder);
float borderSize = _BorderSize();
if (_BorderSize(border) == 0) {
float borderSize = _BorderSize(border);
float borderSize = _BorderSize();
float borderSize = _BorderSize();