VB.NET LogicalMethodInfo.Create方法代碼示例

' 導入命名空間
Imports System.Reflection
Imports System.Web.Services.Protocols

Public Class MyService
   
   Public Sub MyMethod(inParameter As Integer, ByRef outParameter As Integer)
      outParameter = inParameter
   End Sub
End Class

Public Class LogicalMethodInfo_Create
   
   Public Shared Sub Main()
      Dim myType As Type = GetType(MyService)
      Dim myMethodInfo As MethodInfo = myType.GetMethod("MyMethod")
      Dim myLogicalMethodInfo As LogicalMethodInfo = _
                             LogicalMethodInfo.Create(New MethodInfo() {myMethodInfo})(0)
      
      Console.WriteLine _
        (ControlChars.Newline + "Printing parameters for the method : {0}", myLogicalMethodInfo.Name)
      
      Console.WriteLine _
        (ControlChars.Newline + "The parameters of the method {0} are :" + _
                                           ControlChars.Newline, myLogicalMethodInfo.Name)
      Dim myParameters As ParameterInfo() = myLogicalMethodInfo.Parameters
      Dim i As Integer
      For i = 0 To myParameters.Length - 1
         Console.WriteLine _
         (ControlChars.Tab + myParameters(i).Name + " : " + myParameters(i).ParameterType.toString())
      Next i
      
      Console.WriteLine _
          (ControlChars.Newline + "The in parameters of the method {0} are :" + _
                                               ControlChars.Newline, myLogicalMethodInfo.Name)
      myParameters = myLogicalMethodInfo.InParameters

      For i = 0 To myParameters.Length - 1
         Console.WriteLine(ControlChars.Tab + myParameters(i).Name + " : " + _
                                                   myParameters(i).ParameterType.toString())
      Next i
      
      Console.WriteLine(ControlChars.Newline + "The out parameters of the method {0} are :" + _
                                                    ControlChars.Newline, myLogicalMethodInfo.Name)
      myParameters = myLogicalMethodInfo.OutParameters

      For i = 0 To myParameters.Length - 1
         Console.WriteLine(ControlChars.Tab + myParameters(i).Name + " : " + _
                                                     myParameters(i).ParameterType.toString())
      Next i
      
      If myLogicalMethodInfo.IsVoid Then
         Console.WriteLine(ControlChars.Newline + "The return type is void")
      Else
         Console.WriteLine _
             (ControlChars.Newline + "The return type is {0}", myLogicalMethodInfo.ReturnType)
      End If
   End Sub
End Class

' 導入命名空間
Imports System.Reflection
Imports System.Web.Services.Protocols

Public Class MyService
   Inherits SoapHttpClientProtocol
   
   Public Function BeginAdd _
       (xValue As Integer, yValue As Integer, callback As AsyncCallback, asyncState As Object) _
                                                                                    As IAsyncResult
      Return Me.BeginInvoke("Add", New Object() {xValue, yValue}, callback, asyncState)
   End Function 'BeginAdd
   
   Public Function EndAdd(asyncResult As System.IAsyncResult) As Integer
      Dim results As Object() = Me.EndInvoke(asyncResult)
      Return CInt(results(0))
   End Function 'EndAdd
End Class

Public Class LogicalMethodInfo_Create
   
   Public Shared Sub Main()
      Dim myType As Type = GetType(MyService)
      Dim myBeginMethod As MethodInfo = myType.GetMethod("BeginAdd")
      Dim myEndMethod As MethodInfo = myType.GetMethod("EndAdd")
      Dim myLogicalMethodInfo As LogicalMethodInfo = _
          LogicalMethodInfo.Create(New MethodInfo() _
                          {myBeginMethod, myEndMethod}, LogicalMethodTypes.Async)(0)
      
      Console.WriteLine _
        (ControlChars.Newline + "The asynchronous callback parameter of method {0} is :" + _ 
                                             ControlChars.Newline, myLogicalMethodInfo.Name)
      Console.WriteLine _
        (ControlChars.Tab + myLogicalMethodInfo.AsyncCallbackParameter.Name + " : " + _
                    myLogicalMethodInfo.AsyncCallbackParameter.ParameterType.ToString())
      
      Console.WriteLine _
        (ControlChars.Newline + "The asynchronous state parameter of method {0} is :" + _
                                             ControlChars.Newline, myLogicalMethodInfo.Name)
      Console.WriteLine _
       (ControlChars.Tab + myLogicalMethodInfo.AsyncStateParameter.Name + " : " + _
                               myLogicalMethodInfo.AsyncStateParameter.ParameterType.ToString())
      
      Console.WriteLine _
       (ControlChars.Newline + "The asynchronous result parameter of method {0} is :" + _
                                                     ControlChars.Newline, myLogicalMethodInfo.Name)
      Console.WriteLine _
       (ControlChars.Tab + myLogicalMethodInfo.AsyncResultParameter.Name + " : " + _
                               myLogicalMethodInfo.AsyncResultParameter.ParameterType.ToString())
      
      Console.WriteLine _
        (ControlChars.Newline + "The begin method of the asynchronous method {0} is :" + _
                                             ControlChars.Newline, myLogicalMethodInfo.Name)
      Console.WriteLine(ControlChars.Tab + myLogicalMethodInfo.BeginMethodInfo.ToString())
      
      Console.WriteLine _
       (ControlChars.Newline + "The end method of the asynchronous method {0} is :" + _
                                                     ControlChars.Newline, myLogicalMethodInfo.Name)
      Console.WriteLine(ControlChars.Tab + myLogicalMethodInfo.EndMethodInfo.ToString())
      
      If myLogicalMethodInfo.IsAsync Then
         Console.WriteLine(ControlChars.Newline + "{0} is asynchronous", myLogicalMethodInfo.Name)
      Else
         Console.WriteLine(ControlChars.Newline + "{0} is synchronous", myLogicalMethodInfo.Name)
      End If 
   End Sub
End Class