Action(T1, T2, T3, T4, T5, T6, T7, T8) Delegate
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Action<T1, T2, T3, T4, T5, T6, T7, T8> Delegate

.NET Framework (current version)
 

Encapsulates a method that has eight parameters and does not return a value.

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

public delegate void Action<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8>(
	T1 arg1,
	T2 arg2,
	T3 arg3,
	T4 arg4,
	T5 arg5,
	T6 arg6,
	T7 arg7,
	T8 arg8
)

Parameters

arg1
Type: T1

The first parameter of the method that this delegate encapsulates.

arg2
Type: T2

The second parameter of the method that this delegate encapsulates.

arg3
Type: T3

The third parameter of the method that this delegate encapsulates.

arg4
Type: T4

The fourth parameter of the method that this delegate encapsulates.

arg5
Type: T5

The fifth parameter of the method that this delegate encapsulates.

arg6
Type: T6

The sixth parameter of the method that this delegate encapsulates.

arg7
Type: T7

The seventh parameter of the method that this delegate encapsulates.

arg8
Type: T8

The eighth parameter of the method that this delegate encapsulates.

Type Parameters

inT1

The type of the first parameter of the method that this delegate encapsulates.

inT2

The type of the second parameter of the method that this delegate encapsulates.

inT3

The type of the third parameter of the method that this delegate encapsulates.

inT4

The type of the fourth parameter of the method that this delegate encapsulates.

inT5

The type of the fifth parameter of the method that this delegate encapsulates.

inT6

The type of the sixth parameter of the method that this delegate encapsulates.

inT7

The type of the seventh parameter of the method that this delegate encapsulates.

inT8

The type of the eighth parameter of the method that this delegate encapsulates.

You can use the Action<T1, T2, T3, T4, T5, T6, T7, T8> delegate to pass a method as a parameter without explicitly declaring a custom delegate. The encapsulated method must correspond to the method signature that is defined by this delegate. This means that the encapsulated method must have eight parameters that are all passed to it by value, and it must not return a value. (In C#, the method must return void. In Visual Basic, it must be defined by the SubEnd Sub construct. It can also be a method that returns a value that is ignored.) Typically, such a method is used to perform an operation.

System_CAPS_noteNote

To reference a method that has eight parameters and returns a value, use the generic Func<T1, T2, T3, T4, T5, T6, T7, T8, TResult> delegate instead.

You can also use the Action<T1, T2, T3, T4, T5, T6, T7, T8> delegate with anonymous methods and lambda expressions.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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