BOOL CBCGPButton::m_bDrawFocus

If nonzero, a focus rectangle is drawn around the button's text and image when the button receives focus

m_bDrawFocus is a public variable of type BOOL. If it is nonzero when the button receives focus, the focus rectangle is drawn around the button's text and image.

When a CBCGPButton object is being constructed this value is set to nonzero.