Visual C++ and MFC Programming 2nd Edition

Chapter 7: GDI Accessories and Tools Visual C++ and MFC Fundamentals

The nFlags value specifies what edge(s) would be drawn. It can have one of the following

values:

Value Description

BF_RECT The entire rectangle will be drawn

BF_TOP Only the top side will be drawn

BF_LEFT Only the left side will be drawn

BF_BOTTOM Only the bottom side will be drawn

BF_RIGHT Only the right side will be drawn

BF_TOPLEFT Both the top and the left sides will be drawn

BF_BOTTOMLEFT Both the bottom and the left sides will be

drawn

BF_TOPRIGHT Both the top and the right sides will be

drawn

BF_BOTTOMRIGHT Both the bottom and the right sides will be

drawn

BF_DIAGONAL_ENDBOTTOMLEFT A diagonal line will be drawn from the top-

right to the bottom-left corners

BF_DIAGONAL_ENDBOTTOMRIGHT A diagonal line will be drawn from the top-

left to the bottom-right corners

BF_DIAGONAL_ENDTOPLEFT A diagonal line will be drawn from the

bottom-right to the top-left corners

BF_DIAGONAL_ENDTOPRIGHT A diagonal line will be drawn from the

bottom-left to the top-right corners

Here is an example:

void CExoView::OnDraw(CDC* pDC)

{

CRect Recto(20, 20, 225, 115);

pDC->DrawEdge(&Recto, BDR_RAISEDOUTER | BDR_SUNKENINNER, BF_RECT);

}

6.3.8 Ellipses and Circles.............................................................................