public WorkChapter(IWorkChapterEx toCopy)
{
workid = toCopy.workid;
number = toCopy.number;
chapterid = toCopy.chapterid;
location = toCopy.location;
seq = toCopy.seq;
}
public bool LessThanOrEqual(IWorkChapterEx newitem)
{
if (newitem.workid != workid)
{
throw new ArgumentException("Items don't belong to same work", "newitem");
}
if (newitem.seq != null && this.seq != null)
{
if (newitem.seq > this.seq)
{
return(true);
}
else if (newitem.seq < this.seq)
{
return(false);
}
}
if (newitem.number > this.number)
{
return(true);
}
else if (newitem.number < this.number)
{
return(false);
}
if (newitem.location == null)
{
return(true);
}
if (this.location == null)
{
return(false);
}
return(newitem.location >= this.location);
}
