Re: Programaticly call a method from a different object?
- From: "Nick Malik [Microsoft]" <nickmalik@xxxxxxxxxxxxxxxxxx>
- Date: Tue, 30 Jan 2007 08:32:21 -0800
What's wrong with Visitor or Chain of Responsibility? You can set them up
at runtime.
--
--- Nick Malik [Microsoft]
MCSD, CFPS, Certified Scrummaster
http://blogs.msdn.com/nickmalik
Disclaimer: Opinions expressed in this forum are my own, and not
representative of my employer.
I do not answer questions on behalf of my employer. I'm just a
programmer helping programmers.
--
"schneider" <eschneider@xxxxxxxxxxxxxxxxxxxx> wrote in message
news:eYUV0o$QHHA.4252@xxxxxxxxxxxxxxxxxxxxxxx
No, I know how to do a plug-in design, and already using it.
Trying to wire two methods together during runtime, similar to addhandler
but method to be called is discovered by reflection.
Currently using the Ben pattern, I just thought I might me missing cleaner
language feature...
Schneider
"Nick Malik [Microsoft]" <nickmalik@xxxxxxxxxxxxxxxxxx> wrote in message
news:0_2dnajF7cO_pyPYnZ2dnUVZ_uKknZ2d@xxxxxxxxxxxxxx
What is the objective? Do you want to be able to develop a plug-in for
your code, after the system is released, and have your system recognize
it?
If so, that's covered loosly by traditional Design Patterns. I would
recommend you investigate the Gang of Four Design Patterns, especially
Strategy, Visitor, and Chain of Responsibility. (good reference on GoF
patterns: http://home.earthlink.net/~huston2/dp/patterns.html )
Once you understand the design patterns that lead to frameworks, go ahead
and dive into a light framwork like Spring.Net. Here's an article on
Dependency Injection in .Net:
http://msdn.microsoft.com/msdnmag/issues/05/09/DesignPatterns/default.aspx
--
--- Nick Malik [Microsoft]
MCSD, CFPS, Certified Scrummaster
http://blogs.msdn.com/nickmalik
Disclaimer: Opinions expressed in this forum are my own, and not
representative of my employer.
I do not answer questions on behalf of my employer. I'm just a
programmer helping programmers.
--
"schneider" <eschneider@xxxxxxxxxxxxxxxxxxxx> wrote in message
news:%230j09yVQHHA.488@xxxxxxxxxxxxxxxxxxxxxxx
I'm looking for a way to programaticly call a method from a different
object and associate the two objects at runtime.
Example: Object A exist and is unknow, I want object B to be able to
call a method on object A whenever needed.
Like addhandler but I don't know what the method is and must discover it
through reflection.
Maybe something like this:
Public Sub attach(ByVal valueA As Object)
Dim meth() As MethodInfo = value.GetType.GetMethods
Dim btnB As Button = New Button
Dim mitem As MethodInfo = meth(0) 'find the method I want somehow
AddHandler btnB.Click, mitem.[Selected_Method] '???
End Sub
Any ideas would be great.
Thanks,
Schneider
.
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