OlkOptionButton.GroupName Property (Outlook)
Returns or sets a String that identifies a group of mutually exclusive option button controls. Read/write.
Version Information
Version Added: Outlook 2007
Syntax
expression .GroupName
expression A variable that represents an OlkOptionButton object.
Remarks
Only one member in the group can be selected at a time. Selecting a new member of the group automatically removes the previous selection of any other group member.
The default value is an empty string.