public bool Appart(DateRange p){
if (Start > p.Finish){
return true;
}
if (Finish < p.Start){
return true;
}
return false;
}
public void Merge(DateRange p){
if (Appart(p)){
return;
}
Start = Start > p.Start ? p.Start : Start;
Finish = Finish < p.Finish ? p.Finish : Finish;
}
public OperationLog(){
Range = new DateRange(DateExtensions.Begin, DateExtensions.End);
}