.NET Framework 4
Registers for an event with the specified name and callback
Namespace:  Microsoft.AspNet.SignalR.Client.Hubs
Assembly:  Microsoft.AspNet.SignalR.Client (in Microsoft.AspNet.SignalR.Client.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function On(Of T1, T2, T3, T4, T5, T6, T7) ( _
    proxy As IHubProxy, _
    eventName As String, _
    onData As Action(Of T1, T2, T3, T4, T5, T6, T7) _
) As IDisposable
'Usage
Dim proxy As IHubProxy 
Dim eventName As String 
Dim onData As Action(Of T1, T2, T3, T4, T5, T6, T7)
Dim returnValue As IDisposable 
returnValue = proxy.On(eventName, _
    onData)
public static IDisposable On<T1, T2, T3, T4, T5, T6, T7>(
    this IHubProxy proxy,
    string eventName,
    Action<T1, T2, T3, T4, T5, T6, T7> onData
)
[ExtensionAttribute]
public:
generic<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
static IDisposable^ On(
    IHubProxy^ proxy, 
    String^ eventName, 
    Action<T1, T2, T3, T4, T5, T6, T7>^ onData
)
static member On : 
        proxy:IHubProxy * 
        eventName:string * 
        onData:Action<'T1, 'T2, 'T3, 'T4, 'T5, 'T6, 'T7> -> IDisposable
JScript does not support generic types and methods.
Type Parameters
- T1
- T2
- T3
- T4
- T5
- T6
- T7
Parameters
- proxy
 Type: Microsoft.AspNet.SignalR.Client.Hubs.IHubProxy
 The IHubProxy.
- eventName
 Type: System.String
 The name of the event.
- onData
 Type: System.Action<T1, T2, T3, T4, T5, T6, T7>
 The callback
Return Value
Type: System.IDisposable
An IDisposable that represents this subscription.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IHubProxy. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.100) or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.100).