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Delegate.Inequality Operator

Determines whether the specified delegates are not equal.

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

public static bool operator !=(
	Delegate d1,
	Delegate d2
)

Parameters

d1
Type: System.Delegate

The first delegate to compare.

d2
Type: System.Delegate

The second delegate to compare.

Return Value

Type: System.Boolean
true if d1 is not equal to d2; otherwise, false.

Two delegates are considered not equal if they are of different types, or have different methods, different targets, or different invocation lists.

If the two delegates are not of the same type, they are not considered equal.

Important noteImportant

In the .NET Framework version 1.0 and 1.1, two delegates are considered equal if their targets, methods, and invocation list were equal, even if the delegates were of different types.

The methods and targets are compared for equality as follows:

  • If the two methods being compared are both static and are the same method on the same class, the methods are considered equal and the targets are also considered equal.

  • If the two methods being compared are instance methods and are the same method on the same object, the methods are considered equal and the targets are also considered equal.

  • Otherwise, the methods are not considered to be equal and the targets are also not considered to be equal.

Two invocation lists are not equal if they have different sizes, if they are ordered differently, or if at least one element from one list represents a method or target that is different from that represented by its corresponding element in the other list.

.NET Framework

Supported in: 4.6, 4.5, 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

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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