LogicalMethodInfo.Invoke Method (Object, Object())
.NET Framework (current version)
Invokes the method represented by the current LogicalMethodInfo.
Assembly: System.Web.Services (in System.Web.Services.dll)
<PermissionSetAttribute(SecurityAction.LinkDemand, Name := "FullTrust")> Public Function Invoke ( target As Object, values As Object() ) As Object()
Parameters
- target
-
Type:
System.Object
The instance of the Object to invoke the method.
- values
-
Type:
System.Object()
An argument list for the invoked method. This is an array of objects with the same number, order, and type as the parameters of the method. If the method does not require any parameters, the values parameter should be null.
Return Value
Type: System.Object()An array of type Object representing the return value and out parameters of the invoked method.
| Exception | Condition |
|---|---|
| TargetException | The target parameter is null. |
| ArgumentException | The number, type, and order of parameters in the values parameter do not match the signature of the invoked method. |
| MemberAccessException | The caller does not have permission to invoke the method. |
| TargetInvocationException | The invoked method throws an exception. |
Imports System Imports System.Reflection Imports System.Security.Permissions Imports System.Web.Services.Protocols Imports Microsoft.VisualBasic Public Class MyService Public Function Add(xValue As Integer, yValue As Integer) As Integer Return xValue + yValue End Function 'Add End Class 'MyService Class LogicalMethodInfo_Constructor <PermissionSetAttribute(SecurityAction.Demand, Name := "FullTrust")> _ Shared Sub Run() Dim myType As Type = GetType(MyService) Dim myMethodInfo As MethodInfo = myType.GetMethod("Add") Dim myLogicalMethodInfo As New LogicalMethodInfo(myMethodInfo) Console.WriteLine(ControlChars.NewLine + "Printing properties of method : {0}" + _ ControlChars.NewLine, myLogicalMethodInfo.ToString()) Console.WriteLine(ControlChars.NewLine + "The declaring type of the method {0} is :" + _ ControlChars.NewLine, myLogicalMethodInfo.Name) Console.WriteLine(ControlChars.Tab + myLogicalMethodInfo.DeclaringType.ToString()) 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 return type of the method {0} is :" + _ ControlChars.NewLine, myLogicalMethodInfo.Name) Console.WriteLine(ControlChars.Tab + myLogicalMethodInfo.ReturnType.ToString()) Dim service As New MyService() Console.WriteLine(ControlChars.NewLine + "Invoking the method {0}" + _ ControlChars.NewLine, myLogicalMethodInfo.Name) Console.WriteLine(ControlChars.Tab + "The sum of 10 and 10 is : {0}", _ myLogicalMethodInfo.Invoke(service, New Object() {10, 10})) End Sub 'Run Shared Sub Main() Run() End Sub 'Main End Class 'LogicalMethodInfo_Constructor
.NET Framework
Available since 1.1
Available since 1.1
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