Dear all,
I am having a problem writing a few objects in VB. I have created an "interface" class containing a few public routines. I am trying to achieve polymorphism in VB so that each of my classes that "inherit" (using the Inherits statement) some standard functionality...
Dear all,
As far as I can see the implements statement in VB allows you to specify a prototype/interface for a class and nothing more unless you deal with the call in the class that inherits the code and then call the code in the inherited class.
What I need to do is this: I want to be able to...
Dear all,
I am writing an ActiveX DLL that conatins objects for accessing a database. The hope is that it will ultimately provide a set of objects for developers to use when writing applications that integrate with our system.
So far I have organised it thus: Each object contains properties...
Montrose: Thanks for the great advice (many-tomany relationships using one table to store all IDs).
Can you (or anyone else!) help me with one more thing... I am writing a database in Access, then a layer of objects in VB to make using my database and writing applications for it much more...
Dear all,
I have the following four tables: Contacts, Companies, Addresses, TelephoneNos. They all have autonumber ID fields and are all joined to a table called Link which itself has an autonumber ID.
I want to be able to join say: ContactID and CompanyID. Then another row with a ContactID...
In VB is there anyway of telling WHO created "this" instance of an object? ie: Was it publically created or was it created by a friend? Short of adding a friend property that can set a flag to indicate whether or not this was the case?
Dear all,
Can someone tell me if it is possible to alter the visibility of the methods in an object (public/private) according to the state of the object? Or do I just have to put code to handle this in each method?
eg: When the connect method is called in my object I would like to add extra...
Dear all,
I have disabled relaying in Groupwise 5.5 and understand that the Groupwise SMTP server accepts messages for posting from anyone who connects to it without challenging them and forwards them to the postmaster as undeliverable items. It would seem to me that over time people have come...
Dear all,
I have disabled SMTP relaying using Groupwise View from the Console but although it has stopped relaying messages Groupwise stills seems to accept mail addressed for people of domains that are not registered with Groupwise. It does not relay the mail, but it does still accept the...
Dear all,
I have two questions:
1) How can I add a Win2K server to an NDS tree and then map drives to NT shares? EG: I have two servers. One Netware 5 and the other Win 2K. The login scripts for users map drives to netware volumes depending on their group membership. I would like to be able to...
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