> All,
> I have an existing business object (VB.Net) which returns user IDs for our
> locations in our regions.
> One of the properties objReg.Manager returns the manager's user id (integer)
> for a given location.
>
> What I'd like to do is implement something similar to .ToString, so I might
> call -
> objReg.Manager.GetUser()
> This would return a User object (which we already have written) representing
> the Manager for that ID.
> (There's also VP, Director, etc properties.. so this code would be used for
> those properties as well)
>
> We already have a objReg.GetManager property which does this, but I think it
> would just be snazzier to implement it in the method above.
>
> Does anyone know how I might pull this off -- or even what I would search
> for to get me started?
> TIA
> Brandon.
>
>

"Chris" <no@spam.com> wrote in message
news:uBRibfuFGHA.2912@tk2msftngp13.phx.gbl...
> Brandon Miller wrote:
>> All,
>> I have an existing business object (VB.Net) which returns user IDs for
>> our locations in our regions.
>> One of the properties objReg.Manager returns the manager's user id
>> (integer) for a given location.
>>
>> What I'd like to do is implement something similar to .ToString, so I
>> might call -
>> objReg.Manager.GetUser()
>> This would return a User object (which we already have written)
>> representing the Manager for that ID.
>> (There's also VP, Director, etc properties.. so this code would be used
>> for those properties as well)
>>
>> We already have a objReg.GetManager property which does this, but I think
>> it would just be snazzier to implement it in the method above.
>>
>> Does anyone know how I might pull this off -- or even what I would search
>> for to get me started?
>> TIA
>> Brandon.
>
> I may have missed something on what you are looking to do.  If you have
> the GetManager method that returns the object, what are you looking for
> help on?
>
> Chris

news:1137019360.846910.234440@z14g2000cwz.googlegroups.com...
>
>
> I'm a bit confused about the ToString() reference but the problem as I
> understand it is
>
>
> You have a business object which includes the 4 methods
>
>  Function VP() as Integer
>  Function Manager() as Integer
>  Function Director() as Integer
>  Function AsstManager() as Integer
>
> where the integer is a userID.
>
> You wish to be able to obtain more details about the user (basically a
> User object)
>
>
> You cannot just use a x.VP.GetUser() with extending the Integer type
> (inherit something from Integer and include a GetUser() function). This
> starts off as a dodgy idea and gets worse very quickly (how does this
> new type (IntegerX ?) know how to look up a user?
>
> Conceptually cleanest but it depends on the implementation of your
> existing business object and how much you can change it, is to change
> the existing functions to
>
>  Function VP() as User
>  Function Manager() as User
>  Function Director() as User
>  Function AsstManager() as User
>
> where one of the properties on the User is ID() as integer
>
> You then replace all references to .VP or .Manager with .VP.ID or
> .Manager.ID, and so on.
>
>
> If you cannot change the existing business object then you are back to
> a more procedural shape of creating a function that takes a UserID and
> returns a user object.
>
> If the code for getting the user given the user ID is different for
> each user type, well then it depends on how different.
>  Very different, then you are probably stuck with different functions
> for each.
>  Mostly the same but with some small changes - you can create a class
> to encapulate the general functionality which has overridable methods
> for the specific sections.
>
> Without more details it is hard to be more specific.
>
>
> Best bet - if you can change the business object that is returning the
> user ids to return users instead then I would go with that one.
>
> hth,
> Alan.
>