Class IntVar

Lib/tkinter/__init__.py:593–615

Value holder for integer variables.

class IntVar(Variable):
    """Value holder for integer variables."""
    _default = 0

    def __init__(self, master=None, value=None, name=None):
        """Construct an integer variable.

        MASTER can be given as master widget.
        VALUE is an optional value (defaults to 0)
        NAME is an optional Tcl name (defaults to PY_VARnum).

        If NAME matches an existing variable and VALUE is omitted
        then the existing value is retained.
        """
        Variable.__init__(self, master, value, name)

    def get(self):
        """Return the value of the variable as an integer."""
        value = self._tk.globalgetvar(self._name)
        try:
            return self._tk.getint(value)
        except (TypeError, TclError):
            return int(self._tk.getdouble(value))


class DoubleVar(Variable):