Control.DestroyHandle Method (System.Windows.Forms)

.NET Framework Class Library

Control..::.DestroyHandle Method

Destroys the handle associated with the control.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)

<SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags := SecurityPermissionFlag.UnmanagedCode)> _
<UIPermissionAttribute(SecurityAction.LinkDemand, Window := UIPermissionWindow.AllWindows)> _
Protected Overridable Sub DestroyHandle

[SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
[UIPermissionAttribute(SecurityAction.LinkDemand, Window = UIPermissionWindow.AllWindows)]
protected virtual void DestroyHandle()

[SecurityPermissionAttribute(SecurityAction::InheritanceDemand, Flags = SecurityPermissionFlag::UnmanagedCode)]
[UIPermissionAttribute(SecurityAction::LinkDemand, Window = UIPermissionWindow::AllWindows)]
protected:
virtual void DestroyHandle()

[<SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags = SecurityPermissionFlag.UnmanagedCode)>]
[<UIPermissionAttribute(SecurityAction.LinkDemand, Window = UIPermissionWindow.AllWindows)>]
abstract DestroyHandle : unit -> unit 
[<SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags = SecurityPermissionFlag.UnmanagedCode)>]
[<UIPermissionAttribute(SecurityAction.LinkDemand, Window = UIPermissionWindow.AllWindows)>]
override DestroyHandle : unit -> unit

Remarks

Notes to Inheritors

When overriding DestroyHandle in a derived class, be sure to call the base class's DestroyHandle method to ensure that the handle is destroyed.

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET Framework Security

SecurityPermission
for inheriting classes to call unmanaged code. Associated enumeration: SecurityPermissionFlag..::.UnmanagedCode.
SecurityPermission
for the immediate caller to call unmanaged code. Associated enumeration: SecurityPermissionFlag..::.UnmanagedCode.

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

Control Class

System.Windows.Forms Namespace