CollectionBase.Clear Method (System.Collections)

Clear Method

.NET Framework Class Library

CollectionBase..::.Clear Method

Removes all objects from the CollectionBase instance. This method cannot be overridden.

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

Syntax

Visual Basic (Declaration)

Public Sub Clear

Visual Basic (Usage)

Dim instance As CollectionBase

instance.Clear()

public void Clear()

Visual C++

public:
virtual void Clear() sealed

JScript

public final function Clear()

Implements

IList..::.Clear()()()

Remarks

Count is set to zero.

This method is an O(n) operation, where n is Count.

To perform custom actions before or after the collection is cleared, override the protected OnClear or OnClearComplete method.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

Reference

CollectionBase Class

CollectionBase Members

System.Collections Namespace