Which controls can not be placed in MDI ?

controls without Align property can not be placed Directly on MDI Form

Except Picture Box U can not Put the Other Controls  On MDI

1. Controls with align property can be placed on a MDI form (eg:- picture box, status bar, Tool bar etc)

2. Controls which doesn't have the visible interface also can be placed on a MDI form(eg:- Timer, ImageList)

Controls that doesn't have align property can be placed on MDI like timer, data control, picturebox, etc.

Text Box, labels etc.