public bool DeleteNode(uint posIndex, out string errorMessage)
{
errorMessage = "";
try {
if (posIndex == 0)
{
if (Head == null || Head.Next == null)
{
Head = null;
}
else
{
var temp = Head;
temp.Next.Prev = null;
Head = temp.Next;
temp.Next = null;
}
}
else
{
int count = 0;
var temp = Head;
while (temp.Next != null && count < posIndex - 1)
{
count++;
temp = temp.Next;
}
if (temp.Next == null)
{
temp.Prev.Next = null;
}
else
{
temp.Prev.Next = temp.Next;
temp.Next.Prev = temp.Prev;
temp.Prev = null;
temp.Next = null;
}
}
return(true);
}catch (Exception ex) {
errorMessage = ex.ToString();
return(false);
}
}
public DoubleLinkedListNode(T data, DoubleLinkedListNode <T> prev, DoubleLinkedListNode <T> next)
{
Data = data;
Prev = prev;
Next = next;
}
