ArrayList::ReadOnly Method (IList^)

 

Returns a read-only IList wrapper.

Namespace:   System.Collections
Assembly:  mscorlib (in mscorlib.dll)

public:
static IList^ ReadOnly(
	IList^ list
)

Parameters

list
Type: System.Collections::IList^

The IList to wrap.

Return Value

Type: System.Collections::IList^

A read-only IList wrapper around list.

Exception Condition
ArgumentNullException

list is null.

To prevent any modifications to list, expose list only through this wrapper.

A collection that is read-only is simply a collection with a wrapper that prevents modifying the collection. If changes are made to the underlying collection, the read-only collection reflects those changes.

This method is an O(1) operation.

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
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