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            The RadioButton class is derived from the WinControl class 
			
            access function : GetRadioButton(name) 
            Attributes of the RadioButton class 
            
              
              
                | Attribute | 
                Access | 
                Type | 
                Description |  
              
                | caption | 
                R/W | 
                string | 
                the caption |  
              
                | checked | 
                R/W | 
                bool | 
                the check marker |  
              
                | onClick | 
                W | 
                callback | 
                called when user clicks the control | 
				 
               
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