Create a new #JSCException in @context using a formatted string for the message. This is similar to jsc_exception_new_printf() except that the arguments to the format string are passed as a va_list.
a #JSCContext
the string format
the parameters to insert into the format string
a new #JSCException.
ConstructionException GTK+ fails to create the object.
See Implementation
Create a new #JSCException in @context using a formatted string for the message. This is similar to jsc_exception_new_printf() except that the arguments to the format string are passed as a va_list.