Conditions

GiD_Event_AfterCreateCondition: will be called just after create the condition 'name'

proc GiD_Event_AfterCreateCondition { name } {
}

GiD_Event_BeforeDeleteCondition: will be called just before delete the condition 'name'
If it returns -cancel- the material condition is cancelled.

proc GiD_Event_BeforeDeleteCondition { name } {
    ...body...
    set value ...
    return $value
}

GiD_Event_AfterChangeCondition: will be called just after change some field value of the condition 'name'.
changedfields is a list with the index of the changed fields (index starting from 1)

proc GiD_Event_AfterChangeCondition { name changedfields } {
}