Create a Set of OptionButton Controls
By default, all OptionButtoncontrols in a container are part of a single option group. This means that selecting one of the buttons automatically sets all other option buttons on the form to False.
If you want more than one option group on the form, there are two ways to create additional groups:
Use the GroupNameproperty to identify related buttons. This method reduces the number of controls required on the form, which can reduce the hard disk space required and improve the performance of the form. If you want to create an option group in a TabStrip(which is not a container), you must use the GroupName property. For more information, see How to: Create a Set of OptionButtons by Using the GroupName Property.
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