Binaryworld - InvokeMethod - Invoking a method via reflection ... [ VB.net -> Classes & Objects ]

' 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 Nothing
End Function