void GetRect( LPRECT lpRect ) const;
lpRect
Points to the RECT structure that receives the formatting rectangle.
Gets the formatting rectangle of an edit control. The formatting rectangle is the limiting rectangle of the text, which is independent of the size of the edit-control window.
The formatting rectangle of a multiple-line edit control can be modified by the SetRect and SetRectNP member functions.
CEdit::SetRect, CEdit::SetRectNP, EM_GETRECT