Class ObservableCollection<T>

Implements an Observable collection of Items.

Inheritance

System.Object

ObservableCollection<T>

Implements

IReadOnlyList<T>

ICollection<T>

IReadOnlyCollection<T>

IList

ICollection

IEnumerable<T>

IEnumerable

IAtomProvider

Namespace: Cortex.Net.Types

Assembly: Cortex.Net.dll

Syntax

public sealed class ObservableCollection<T> : IList<T>, IReadOnlyList<T>, ICollection<T>, IReadOnlyCollection<T>, IList, ICollection, IEnumerable<T>, IEnumerable, IAtomProvider

Type Parameters

Name	Description
T	The type parameter to work on.

Constructors

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ObservableCollection(ISharedState, IEnhancer, IEnumerable<T>, String)

Initializes a new instance of the ObservableCollection<T> class.

Declaration

public ObservableCollection(ISharedState sharedState, IEnhancer enhancer, IEnumerable<T> initialValues, string name = null)

Parameters

Type	Name	Description
ISharedState	sharedState	The ISharedState instance this observableCollection belongs to.
IEnhancer	enhancer	The IEnhancer implementation to use.
IEnumerable<T>	initialValues	The initial values to use.
System.String	name	The name of the ObservableCollection.

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ObservableCollection(ISharedState, IEnhancer, String)

Initializes a new instance of the ObservableCollection<T> class.

Declaration

public ObservableCollection(ISharedState sharedState, IEnhancer enhancer, string name = null)

Parameters

Type	Name	Description
ISharedState	sharedState	The ISharedState instance this observableCollection belongs to.
IEnhancer	enhancer	The IEnhancer implementation to use.
System.String	name	The name of the ObservableCollection.

Properties

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Count

Gets the number of elements contained in the ObservableCollection<T>.

Declaration

public int Count { get; }

Property Value

Type	Description
System.Int32

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IsFixedSize

Gets a value indicating whether the ObservableCollection<T> has a fixed size.

Declaration

public bool IsFixedSize { get; }

Property Value

Type	Description
System.Boolean

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IsReadOnly

Gets a value indicating whether the ObservableCollection<T> is read-only.

Declaration

public bool IsReadOnly { get; }

Property Value

Type	Description
System.Boolean

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IsSynchronized

Gets a value indicating whether access to the ObservableCollection<T> is synchronized (thread safe).

Declaration

public bool IsSynchronized { get; }

Property Value

Type	Description
System.Boolean

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Item[Int32]

Gets or sets the element at the specified index.

Declaration

public T this[int index] { get; set; }

Parameters

Type	Name	Description
System.Int32	index	The zero-based index of the element to get or set.

Property Value

Type	Description
T	The element at the specified index.

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Name

Gets the name of the ObservableCollection<T>.

Declaration

public string Name { get; }

Property Value

Type	Description
System.String

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SharedState

Gets the shared state this ObservableCollection<T> operates on.

Declaration

public ISharedState SharedState { get; }

Property Value

Type	Description
ISharedState

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SyncRoot

Gets an object that can be used to synchronize access to the ObservableCollection<T>.

Declaration

public object SyncRoot { get; }

Property Value

Type	Description
System.Object

Methods

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Add(T)

Adds an item to the ObservableCollection<T>.

Declaration

public void Add(T item)

Parameters

Type	Name	Description
T	item	The object to add to the ObservableCollection<T>.

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Clear()

Removes all elements from the ObservableCollection<T>.

Declaration

public void Clear()

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Contains(T)

Determines whether the ObservableCollection<T> contains a specific value.

Declaration

public bool Contains(T item)

Parameters

Type	Name	Description
T	item	The object to locate in the ObservableCollection<T>.

Returns

Type	Description
System.Boolean	true if item is found in the ObservableCollection<T>; otherwise, false.

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CopyTo(T[], Int32)

Copies the elements of the ObservableCollection<T> to an System.Array, starting at a particular System.Array index.

Declaration

public void CopyTo(T[] array, int arrayIndex)

Parameters

Type	Name	Description
T[]	array	The one-dimensional System.Array that is the destination of the elements copied from ObservableCollection<T>. The System.Array must have zero-based indexing.
System.Int32	arrayIndex	The zero-based index in array at which copying begins.

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GetEnumerator()

Returns an enumerator that iterates through the ObservableCollection<T>.

Declaration

public IEnumerator<T> GetEnumerator()

Returns

Type	Description
IEnumerator<T>	An enumerator that can be used to iterate through the ObservableCollection<T>.

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IndexOf(T)

Searches for the specified object and returns the zero-based index of the first occurrence within the entire ObservableCollection<T>.

Declaration

public int IndexOf(T item)

Parameters

Type	Name	Description
T	item	The object to locate in the System.Collections.Generic.List`1. The value can be null for reference types.

Returns

Type	Description
System.Int32	The zero-based index of the first occurrence of item within the entire ObservableCollection<T>, if found; otherwise, –1.

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Insert(Int32, T)

Inserts an item to the ObservableCollection<T> at the specified index.

Declaration

public void Insert(int index, T item)

Parameters

Type	Name	Description
System.Int32	index	The zero-based index at which item should be inserted.
T	item	The object to insert into the ObservableCollection<T>.

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Remove(T)

Removes the first occurrence of a specific object from the ObservableCollection<T>.

Declaration

public bool Remove(T item)

Parameters

Type	Name	Description
T	item	The object to remove from the ObservableCollection<T>. The value can be null for reference types.

Returns

Type	Description
System.Boolean	True if item is successfully removed; otherwise, false. This method also returns false if item was not found in the ObservableCollection<T>.

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RemoveAt(Int32)

Removes the ObservableCollection<T> item at the specified index.

Declaration

public void RemoveAt(int index)

Parameters

Type	Name	Description
System.Int32	index	The zero-based index of the item to remove.

Events

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Change

Event that fires before the value will change.

Declaration

public event EventHandler<ObservableCollectionCancellableEventArgs> Change

Event Type

Type	Description
EventHandler<ObservableCollectionCancellableEventArgs>

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Changed

Event that fires after the value has changed.

Declaration

public event EventHandler<ObservableCollectionEventArgs> Changed

Event Type

Type	Description
EventHandler<ObservableCollectionEventArgs>

Explicit Interface Implementations

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IAtomProvider.Atom

Gets the atom.

Declaration

IAtom IAtomProvider.Atom { get; }

Returns

Type	Description
IAtom

Implements

IReadOnlyList<>

ICollection<>

IReadOnlyCollection<>

IList

ICollection

IEnumerable<>

IEnumerable

IAtomProvider

Extension Methods

TraceExtensions.Trace<TObject, TMember>(TObject, Expression<Func<TObject, TMember>>, TraceMode)

ReactiveObjectTypeUtilExtensions.GetObservable(Object)

ReactiveObjectTypeUtilExtensions.GetObservable<TObject, TMember>(TObject, Expression<Func<TObject, TMember>>)