Q: What is the difference between a Form and a FormCell? How do I make the correct connections in Interface Builder?
A: A Form is a matrix of FormCells. Even a matrix with only one FormCell is a Form. If you have created a single FormCell in Interface Builder and want to connect to the Form, carefully drag to the edge of the cell. When it is outlined in gray, you are connecting to the Form. Drag further into cell, and it will be outlined in black; now you are connecting to the FormCell. Look at the "Comments" field in the IB inspector while you are making your connection--it will tell you what class the outlet is, for example, "Destination is of the Form Class." The same is true when you are connecting to a Form with more than one FormCell. Drag to the outside edge or in between cells; the form will outline in gray and you are connecting to the form. Drag to a particular FormCell; it will be outlined in black and you will be connecting to that FormCell.
