Class NotifyingCollection<T>
A collection that can notify its owner's layout system when its contents are updated
public class NotifyingCollection<T> : ICollection<T>, IEnumerable<T>, IEnumerable
Type Parameters
T
The type of contents
- Inheritance
-
NotifyingCollection<T>
- Implements
-
ICollection<T>IEnumerable<T>
- Inherited Members
Constructors
NotifyingCollection(ArrangableElement, ChangeAction)
Creates a notifying collection
public NotifyingCollection(ArrangableElement owner, ChangeAction actionOnChange)
Parameters
owner
ArrangableElementThe collection owner
actionOnChange
ChangeActionThe action to take when a change occurs
Properties
Count
Gets the number of elements contained in the ICollection<T>.
public int Count { get; }
Property Value
- int
The number of elements contained in the ICollection<T>.
IsReadOnly
Gets a value indicating whether the ICollection<T> is read-only.
public bool IsReadOnly { get; }
Property Value
- bool
true if the ICollection<T> is read-only; otherwise, false.
this[int]
Indexing operator for this collection
public T this[int idx] { get; set; }
Parameters
idx
intThe index
Property Value
- T
Methods
Add(T)
Adds an item to the ICollection<T>.
public void Add(T item)
Parameters
item
TThe object to add to the ICollection<T>.
Exceptions
- NotSupportedException
The ICollection<T> is read-only.
AddRange(IEnumerable<T>)
Convenience method to add several items at once
public void AddRange(IEnumerable<T> items)
Parameters
items
IEnumerable<T>The items to add to the collection
Clear()
Removes all items from the ICollection<T>.
public void Clear()
Exceptions
- NotSupportedException
The ICollection<T> is read-only.
Contains(T)
Determines whether the ICollection<T> contains a specific value.
public bool Contains(T item)
Parameters
item
TThe object to locate in the ICollection<T>.
Returns
- bool
true if
item
is found in the ICollection<T>; otherwise, false.
CopyTo(T[], int)
Copies the elements of the ICollection<T> to an Array, starting at a particular Array index.
public void CopyTo(T[] array, int arrayIndex)
Parameters
array
T[]The one-dimensional Array that is the destination of the elements copied from ICollection<T>. The Array must have zero-based indexing.
arrayIndex
intThe zero-based index in
array
at which copying begins.
Exceptions
- ArgumentNullException
array
is null.- ArgumentOutOfRangeException
arrayIndex
is less than 0.- ArgumentException
The number of elements in the source ICollection<T> is greater than the available space from
arrayIndex
to the end of the destinationarray
.
GetEnumerator()
Returns an enumerator that iterates through the collection.
public IEnumerator<T> GetEnumerator()
Returns
- IEnumerator<T>
An enumerator that can be used to iterate through the collection.
Remove(T)
Removes the first occurrence of a specific object from the ICollection<T>.
public bool Remove(T item)
Parameters
item
TThe object to remove from the ICollection<T>.
Returns
- bool
true if
item
was successfully removed from the ICollection<T>; otherwise, false. This method also returns false ifitem
is not found in the original ICollection<T>.
Exceptions
- NotSupportedException
The ICollection<T> is read-only.