Mike see code using reflections I put up... It does just this.
On 2/14/07, Mike Andrews <[EMAIL PROTECTED]> wrote:
Yep, can't agree more. For this case it's just for testing and debugging. I'm not interested in the Add/Remove handlers for the Event either. I just want the Delegate instances which belong to the CheckBox.CheckedChangedevent. Since an instanced Delegate has a GetInvocationList() method, this is what I would like to get. Or a way to solve my previous problem. Thanks, Mike On 2/14/07, Mike Woodring <[EMAIL PROTECTED]> wrote: > > Be advised: > > (1) That only works when the calling assembly(ies) have sufficient CAS > permissions that allows reflection against non-public members; and > > (2) The class in question actually (a) does not provide a custom > add/remove > handler and (b) is implemented using a language like C# that creates a > private field named after the event (in VB.NET, for example, the event > member named "Foo" will result in a private field named "FooEvent"). > > -Mike > Bear Canyon Consulting LLC > http://www.bearcanyon.com > http://www.pluralsight.com/mike > > > > -----Original Message----- > > From: Discussion of advanced .NET topics. > > [mailto:[EMAIL PROTECTED] On Behalf Of > > gregory young > > Sent: Wednesday, February 14, 2007 1:45 PM > > To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM > > Subject: Re: [ADVANCED-DOTNET] Determining if an event has > > been assigned a delegate... > > > > Here is a version that works from outside of the class ... > > > > > > static void PrintListenners(object o, string _EventName) > > { > > Type t = o.GetType(); > > FieldInfo[] fields = t.GetFields(BindingFlags.NonPublic | > > BindingFlags.Instance); > > foreach (FieldInfo f in fields) > > { > > Console.WriteLine(f.Name + " " + > > f.ReflectedType.ToString()); > > } > > FieldInfo fi = t.GetField(_EventName, > > BindingFlags.NonPublic | BindingFlags.Instance); > > Delegate del = (Delegate)fi.GetValue(o); > > foreach (Delegate d in del.GetInvocationList()) > > { > > Console.WriteLine("Method Name: {0}", d.Method); > > Console.WriteLine("Type Name: {0}", d.Target); > > } > > } > > > > > > Cheers, > > > > Greg > > > > > > > > On 2/14/07, Zaman, Tanweer <[EMAIL PROTECTED]> wrote: > > > You would assign this AddHandler delegate to CheckChanged > > event in you Initialize method > > > > > > - Tanweer > > > > > > -----Original Message----- > > > From: Discussion of advanced .NET topics. > > [mailto:[EMAIL PROTECTED] On Behalf Of Mike Andrews > > > Sent: Wednesday, February 14, 2007 2:52 PM > > > To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM > > > Subject: [ADVANCED-DOTNET] Determining if an event has been > > assigned a delegate... > > > > > > Guys, > > > > > > Do any of you know if it's possible to determine if an > > event for an object has been assigned a delegate? > > > > > > Example: > > > > > > Dim cb As New CheckBox() > > > cb.Name = "MyCheckBox" > > > AddHandler(cb.CheckChanged, AddressOf CheckChanged) > > > > > > ... > > > > > > Public Sub CheckChanged(Object sender, EventArgs e) ... > > > End Sub > > > > > > Is it possible to know if cb.CheckChanged has been assigned > > a handler or not? > > > > > > Thanks, > > > Mike > > > > > > =================================== > > > This list is hosted by DevelopMentor(r) http://www.develop.com > > > > > > View archives and manage your subscription(s) at > > http://discuss.develop.com > > > > > > > > ============================================================== > > ================ > > > Please access the attached hyperlink for an important > > electronic communications disclaimer: > > > > > > http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html > > > > > ============================================================== > > ================ > > > > > > =================================== > > > This list is hosted by DevelopMentor(r) http://www.develop.com > > > > > > View archives and manage your subscription(s) at > > http://discuss.develop.com > > > > > > > > > -- > > Studying for the Turing test > > > > =================================== > > This list is hosted by DevelopMentorR http://www.develop.com > > > > View archives and manage your subscription(s) at > > http://discuss.develop.com > > =================================== > This list is hosted by DevelopMentor(r) http://www.develop.com > > View archives and manage your subscription(s) at > http://discuss.develop.com > =================================== This list is hosted by DevelopMentor(r) http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com
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