public delegate void Action<in T1, in T2, in T3>(
	T1 arg1,
	T2 arg2,
	T3 arg3
)

Public Delegate Sub Action(Of In T1, In T2, In T3) ( 
	arg1 As T1,
	arg2 As T2,
	arg3 As T3
)

generic<typename T1, typename T2, typename T3>
public delegate void Action(
	T1 arg1, 
	T2 arg2, 
	T3 arg3
)

type Action = 
    delegate of 
        arg1 : 'T1 * 
        arg2 : 'T2 * 
        arg3 : 'T3 -> unit

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.

Type Parameters

T1

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

T2

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

T3

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

Reference