RemoveEventHandler Method

EventInfo.RemoveEventHandler Method

Removes an event handler from an event source.

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

public virtual void RemoveEventHandler(
	Object target,
	Delegate handler
)

Parameters

target
Type: System.Object
The event source.
handler
Type: System.Delegate
The delegate to be disassociated from the events raised by target.

Implements

_EventInfo.RemoveEventHandler(Object, Delegate)

ExceptionCondition
InvalidOperationException

The event does not have a public remove accessor.

ArgumentException

The handler that was passed in cannot be used.

TargetException

The target parameter is null and the event is not static.

-or-

The EventInfo is not declared on the target.

MethodAccessException

The caller does not have access permission to the member.

This method attempts to remove the delegate that may synchronize this event on the target object.

When an event is raised by target, the method or methods encapsulated by handler will no longer be invoked.

.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

Portable Class Library

Supported in: Portable Class Library

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.

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