/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public int IndexOf(UndoBlock item)
{
for (int i = 0; i < m_count; ++i)
{
if (m_array[i] == (item))
{
return(i);
}
}
return(-1);
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
public void Remove(UndoBlock item)
{
int index = IndexOf(item);
if (index < 0)
{
throw new ArgumentException(
"Cannot remove the specified item because it was not found in the specified Collection.");
}
RemoveAt(index);
}
// Operations (type-safe IList)
/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public int Add(UndoBlock item)
{
if (NeedsGrowth())
{
Grow();
}
++m_version;
m_array[m_count] = item;
return(m_count++);
}
/// <summary>
///
/// </summary>
/// <param name="position"></param>
/// <param name="item"></param>
public void Insert(int position, UndoBlock item)
{
ValidateIndex(position, true); // throws
if (NeedsGrowth())
{
Grow();
}
++m_version;
// for (int i=m_count; i > position; --i) m_array[i] = m_array[i-1];
Array.Copy(m_array, position, m_array, position + 1, m_count - position);
m_array[position] = item;
m_count++;
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool Contains(UndoBlock item)
{
return((IndexOf(item) == -1) ? false : true);
}
