What is difference between SDI and MDI?
MDI: 1]We can open multiple docs simultaneously.
ex:M.S.Word
2]Container control.
3]It holds 5 classes (cchildwnd,cmdichildwnd,c-doc,c-view
,cframewnd).
SDI:1]We can open only one doc at a time.
2]It is not a Container control.
3]It holds 4 classes(c-doc,c-view ,underframe,cwinapp).