Class TRadio      Inherits from TControl
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 DATA
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 lChecked          Checked logic value
 oRadMenu          Its container TRadMenu Object
 nPos              Its relative position with respect to the other Menu Radios

 METHODS
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 New               Constructor from source code
 ReDefine          Constructor for resources
 Click             Mouse left button event handler
 cToChar           Generates a data template to build a Dialog
 Init              Generical initialization
 SetCheck          Changes its logical value
 lIsChecked        Retrieves its current logical value