System.Collections.ICollection

ICollection Interface

The System.Collections.ICollection interface defines size, enumerators, and synchronization methods for non‑generic collections.

Namespace: System.Collections

Assembly: System.Runtime.dll

Name	Type	Description
Count	int	Gets the number of elements contained in the collection.
IsSynchronized	bool	Gets a value indicating whether access to the `ICollection` is synchronized (thread safe).
SyncRoot	object	Gets an object that can be used to synchronize access to the `ICollection`.

Name	Signature	Description
CopyTo	`void CopyTo(Array array, int index)`	Copies the elements of the collection to an `Array`, starting at a particular index.
GetEnumerator	`IEnumerator GetEnumerator()`	Returns an enumerator that iterates through the collection.

Count (Property)

Gets the number of elements contained in the collection.

public int Count { get; }

IsSynchronized (Property)

Indicates whether access to the collection is thread safe.

public bool IsSynchronized { get; }

SyncRoot (Property)

Provides an object that can be used to synchronize access to the collection.

public object SyncRoot { get; }

CopyTo (Method)

Copies the elements of the ICollection to an Array, starting at the specified index.

public void CopyTo(Array array, int index);

GetEnumerator (Method)

Returns an enumerator that iterates through the collection.

public IEnumerator GetEnumerator();