// Insert a cell after this one.
public void InsertAfter(string newName)
{
PeopleCell newCell = new PeopleCell();
newCell.Name = newName;
newCell.Next = this.Next;
this.Next = newCell;
}
// Display the people in the list.
private void DisplayList()
{
peopleListBox.Items.Clear();
for (PeopleCell cell = TopCell; cell != null; cell = cell.Next)
{
peopleListBox.Items.Add(cell.Name);
}
}
// Delete the cell after this one.
public void DeleteAfter()
{
PeopleCell cell = this.Next;
if (cell == null)
{
return;
}
this.Next = cell.Next;
// free(cell);
}
// Return the cell before the indicated one.
public PeopleCell FindCellBefore(string name)
{
for (PeopleCell cell = this; ; cell = cell.Next)
{
if (cell.Next == null)
{
return(null);
}
if (cell.Next.Name == name)
{
return(cell);
}
}
}
// Delete the indicate cell.
public void Delete(string name)
{
// Find the cell before the one to delete.
PeopleCell cell = this.FindCellBefore(name);
if (cell == null)
{
throw new KeyNotFoundException("Item " +
name + " not found in list.");
}
// Delete the target cell.
cell.DeleteAfter();
}
// Insert a cell after the indicated one.
public void InsertAfter(string afterName, string newName)
{
// Find the target cell.
PeopleCell afterCell = FindCell(afterName);
if (afterCell == null)
{
throw new KeyNotFoundException("Item " +
afterName + " not found in list.");
}
// Insert the new name after the one we found.
afterCell.InsertAfter(newName);
}