devxlogo

InvokeMethod – Invoking a method via reflection

InvokeMethod – Invoking a method via reflection

' Invoke a method via reflection and return its result - return null if method ' doesn't exist or throws' Note: requires Imports System.Reflection'' Example:'    Function GetCompleteName(ByVal firstName As String,'  ByVal lastName As String)'       Return lastName & ", " & firstName'    End Function'    ...'    MessageBox.Show(InvokeMethod(Me, "GetCompleteName", False, "Marco",'  "Bellinaso"))Function InvokeMethod(ByVal obj As Object, ByVal methodName As String, _    ByVal throwIfError As Boolean, ByVal ParamArray args() As Object) As Object    Try        Return obj.GetType().InvokeMember(methodName, BindingFlags.Instance Or _            BindingFlags.InvokeMethod Or BindingFlags.Public, Nothing, obj, _            args)    Catch ex As Exception        If throwIfError Then Throw ex    End Try    ' if method doesn't exists or throws    Return NothingEnd Function

devx-admin

Share the Post: