private static ListItem <ILogItem> Merge_AddItem(
this ILogList MergeList, ILogList FromList, ListItem <ILogItem> Item)
{
var addItem = Item.Value.NewCopy();
addItem.ApppendMergeName(FromList);
MergeList.AddItem(addItem);
var nextItem = FromList.NextItem(Item);
return(nextItem);
}
public static ILogList MergeOld(this ILogList List1, ILogList List2, ILogList List3 = null)
{
ILogList merge = null;
if (List1 != null)
{
merge = List1.NewList();
}
else if (List2 != null)
{
merge = List2.NewList();
}
else if (List3 != null)
{
merge = List3.NewList();
}
var item1 = List1?.NextItem(null);
var item2 = List2?.NextItem(null);
while ((item1 != null) || (item2 != null))
{
if (item1 == null)
{
item2 = merge.Merge_AddItem(List2, item2);
}
else if (item2 == null)
{
item1 = merge.Merge_AddItem(List1, item1);
}
else if (item1.Value.LogTime <= item2.Value.LogTime)
{
item1 = merge.Merge_AddItem(List1, item1);
}
else
{
item2 = merge.Merge_AddItem(List2, item2);
}
}
return(merge);
}