get_double_with_default

Description:

public double get_double_with_default (string key, double def)

Returns the floating point number represented by the value that is associated with key, or default_val if the value does not represent a floating point number.

Floating point numbers are parsed with ascii_strtod.

Parameters:

this	a `GtkPrintSettings`
key	a key
def	the default value

Returns:

the floating point number associated with key