CheckBox is a small square that either is blank or contains a check mark. When the user clicks a
CheckBox to select it, a check mark appears in the box. If the user clicks the
Check-Box again to deselect it, the check mark is removed. You can also configure a
CheckBox to toggle between three states (checked, unchecked and indeterminate) by setting its Three-State property to
true. Any number of
CheckBoxes can be selected at a time. A list of common
CheckBox properties and events appears in Fig. 14.25 ...