child_set_valist

Description:

public void child_set_valist (Widget child, string first_property_name, va_list var_args)

Sets one or more child properties for child and this.

this	a Container
child	a widget which is a child of this
first_property_name	the name of the first property to set
var_args	a null-terminated list of property names and values, starting with `first_prop_name`