Q&A

Q1:Can I place radio buttons directly on a form?
A1: Yes. The form is a container, so all radio buttons placed on a form are mutually exclusive to one another. If you wanted to add a second set of mutually exclusive buttons, they'd have to be placed on a container control. In general, I think it's best to place radio buttons on a group box rather than on a form because the group box provides a border and a caption for the radio buttons and makes it much easier to move the set of radio buttons around when you're designing the form.
Q2:I've seen what appears to be list boxes that have a check box next to each item in the list. Is this possible?
A2: Yes. In C#, this is accomplished using an entirely different control: the checked list box.

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