Easily Add Radio Button Groups Document online
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A radio button control can be either selected or deselected. Typically radio buttons are combined into a group where only one button at a time can be selected. This behavior distinguishes them from toggle buttons, because all toggle buttons in a group can be in a deselected state
A QRadioButton is an option button that can be switched on (checked) or off (unchecked). Radio buttons typically present the user with a "one of many" choice. In a group of radio buttons, only one radio button at a time can be checked; if the user selects another button, the previously selected button is switched off