property Group.RadioImage(Checked as Boolean) as Long
Retrieves or sets a value that indicates the image used by cells of radio type.

TypeDescription
Checked as Boolean A boolean expression that indicates the radio's state. True means checked, and False means unchecked.
Long A long expression that indicates the index of image used to paint the radio button.

Use RadioImage and CheckImage properties to define the icons used for radio and check box cells. 

The following sample shows how to change the default icon for cells of radio type:

Group.RadioImage(True) = 1            ' Sets the icon for cells of radio type that are checked 
Group.RadioImage(False) = 2           ' Sets the icon for cells of radio type that are unchecked 

The Group.RadioImage(True) = 0 makes the group to use the default icon for painting cells of radio type that are checked.