Creates a checkbox widget with name,
located at row and column with the text color of fcolor and background
color of bcolor. ccode is an optional ascii code of the check mark that
will be printed. The default check mark character is ascii code 251 (a
check mark).
The tcheck widget has the form: [X] Caption, where X is the check
mark.
Parameters:
name: The name of the tcheck widget.
Must be
unique.
row: The line on which tcheck
will be printed.
col: The column of the
left-most side of the tcheck widget.
fcolor: The color that is used
to print the text.
bcolor: The color that is used
to print the background.
caption: The tcheck caption.
ccode: An optional ascii code
of the character to print for check mark.