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Delegate.RemoveAll Method

Removes all occurrences of the invocation list of a delegate from the invocation list of another delegate.

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

public static Delegate RemoveAll(
	Delegate source,
	Delegate value
)

Parameters

source
Type: System.Delegate

The delegate from which to remove the invocation list of value.

value
Type: System.Delegate

The delegate that supplies the invocation list to remove from the invocation list of source.

Return Value

Type: System.Delegate
A new delegate with an invocation list formed by taking the invocation list of source and removing all occurrences of the invocation list of value, if the invocation list of value is found within the invocation list of source. Returns source if value is null or if the invocation list of value is not found within the invocation list of source. Returns a null reference if the invocation list of value is equal to the invocation list of source, if source contains only a series of invocation lists that are equal to the invocation list of value, or if source is a null reference.

ExceptionCondition
MemberAccessException

The caller does not have access to the method represented by the delegate (for example, if the method is private).

ArgumentException

The delegate types do not match.

If the invocation list of value matches a contiguous set of elements in the invocation list of source, then the invocation list of value is said to occur within the invocation list of source. If the invocation list of value occurs more than once in the invocation list of source, all occurrences are removed.

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

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1

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