Public Function FromAsync(Of TArg1, TArg2) ( _
    beginMethod As Func(Of TArg1, TArg2, AsyncCallback, Object, IAsyncResult), _
    endMethod As Action(Of IAsyncResult), _
    arg1 As TArg1, _
    arg2 As TArg2, _
    state As Object _
) As Task

public Task FromAsync<TArg1, TArg2>(
    Func<TArg1, TArg2, AsyncCallback, Object, IAsyncResult> beginMethod,
    Action<IAsyncResult> endMethod,
    TArg1 arg1,
    TArg2 arg2,
    Object state
)

public:
generic<typename TArg1, typename TArg2>
Task^ FromAsync(
    Func<TArg1, TArg2, AsyncCallback^, Object^, IAsyncResult^>^ beginMethod, 
    Action<IAsyncResult^>^ endMethod, 
    TArg1 arg1, 
    TArg2 arg2, 
    Object^ state
)

member FromAsync : 
        beginMethod:Func<'TArg1, 'TArg2, AsyncCallback, Object, IAsyncResult> * 
        endMethod:Action<IAsyncResult> * 
        arg1:'TArg1 * 
        arg2:'TArg2 * 
        state:Object -> Task