/// <summary>
/// Returns a new list containing a portion of the current list between a specified range.
/// </summary>
/// <param name="startIndex">The start index of the range.</param>
/// <param name="endIndex">The end index of the range.</param>
/// <returns>A ListCollectionSupport instance containing the specified elements.</returns>
public virtual ListCollectionSupport SubList(int startIndex, int endIndex)
{
int index = 0;
IEnumerator tempEnumerator = this.GetEnumerator();
ListCollectionSupport result = new ListCollectionSupport();
for (index = startIndex; index < endIndex; index++)
{
result.Add(this[index]);
}
return(result);
}
/// <summary>
/// Removes all the elements that aren't contained into the specified collection.
/// </summary>
/// <param name="collection">The collection used to verify the elements that will be retained.</param>
/// <returns>Returns true if all the elements were successfully removed. Otherwise returns false.</returns>
public virtual bool RetainAll(ICollection collection)
{
bool result = false;
IEnumerator tempEnumerator = this.GetEnumerator();
ListCollectionSupport tempCollection = new ListCollectionSupport(collection);
while (tempEnumerator.MoveNext())
{
if (!tempCollection.Contains(tempEnumerator.Current))
{
result = this.RemoveElement(tempEnumerator.Current);
if (result == true)
{
tempEnumerator = this.GetEnumerator();
}
}
}
return(result);
}
/// <summary>
/// Returns a new list containing a portion of the current list between a specified range.
/// </summary>
/// <param name="startIndex">The start index of the range.</param>
/// <param name="endIndex">The end index of the range.</param>
/// <returns>A ListCollectionSupport instance containing the specified elements.</returns>
public virtual ListCollectionSupport SubList(int startIndex, int endIndex)
{
int index = 0;
System.Collections.IEnumerator tempEnumerator = this.GetEnumerator();
ListCollectionSupport result = new ListCollectionSupport();
for(index = startIndex; index < endIndex; index++)
result.Add(this[index]);
return (ListCollectionSupport)result;
}
/// <summary>
/// Removes all the elements that aren't contained into the specified collection.
/// </summary>
/// <param name="collection">The collection used to verify the elements that will be retained.</param>
/// <returns>Returns true if all the elements were successfully removed. Otherwise returns false.</returns>
public virtual bool RetainAll(System.Collections.ICollection collection)
{
bool result = false;
System.Collections.IEnumerator tempEnumerator = this.GetEnumerator();
ListCollectionSupport tempCollection = new ListCollectionSupport(collection);
while (tempEnumerator.MoveNext())
if (!tempCollection.Contains(tempEnumerator.Current))
{
result = this.RemoveElement(tempEnumerator.Current);
if (result == true)
{
tempEnumerator = this.GetEnumerator();
}
}
return result;
}
