"cj" <cj@nospam.nospam> wrote in message
news:%23IouG31EIHA.4956@TK2MSFTNGP06.phx.gbl...
> I've often used methods exposed by software purchased for other uses to
> automate tasks. For instance back in the late 90's I found the terminal
> emulation package the company exposed methods that allowed me to write a
> VB program that could use that terminal emulation package to connect to,
> read, and enter data on the company's mainframes. I think this was called
> OLE?
>
> Well now I'm on the other end of the picture and I need to write into a
> .net program the ability to allow Microsot MOM or System Center Manager
> (whatever it's called now) to check the value of a few variables. Ideally
> this would be done in such a way that any other software could call a
> method of my app and get the value of a variable. I'm not sure OLE will
> work because unlike the terminal emulation software which was started up
> by the VB program, in this case my .net program is constantly running and
> working independently it just needs to be probed for status info.
>
> Can someone tell me the buzz word for what I need to do so I can find some
> info on how do do it? BTW my application is a Windows App, NOT ASPX so a
> web service is NOT what I'm looking for.
>
> If all else fails I'll just keep some environment variables set and
> updated that MOM can look at.
>
> Thanks!

> CJ,
>
> The term that describes what you're trying to do is called "COM Interop".
> Dot-Net code can call into ActiveX DLL's using the Com Interop feature.
> At our company we have made extensive use of this ability as we migrate
> our application forward a piece at a time.
>
> -bwr-
>
>
> "cj" <cj@nospam.nospam> wrote in message
> news:%23IouG31EIHA.4956@TK2MSFTNGP06.phx.gbl...
>> I've often used methods exposed by software purchased for other uses to
>> automate tasks. For instance back in the late 90's I found the terminal
>> emulation package the company exposed methods that allowed me to write a
>> VB program that could use that terminal emulation package to connect to,
>> read, and enter data on the company's mainframes. I think this was called
>> OLE?
>>
>> Well now I'm on the other end of the picture and I need to write into a
>> .net program the ability to allow Microsot MOM or System Center Manager
>> (whatever it's called now) to check the value of a few variables. Ideally
>> this would be done in such a way that any other software could call a
>> method of my app and get the value of a variable. I'm not sure OLE will
>> work because unlike the terminal emulation software which was started up
>> by the VB program, in this case my .net program is constantly running and
>> working independently it just needs to be probed for status info.
>>
>> Can someone tell me the buzz word for what I need to do so I can find
>> some info on how do do it? BTW my application is a Windows App, NOT ASPX
>> so a web service is NOT what I'm looking for.
>>
>> If all else fails I'll just keep some environment variables set and
>> updated that MOM can look at.
>>
>> Thanks!
>
>

Michel Posseth [MCP] wrote:
> If i understand you correctly the scenario is :
>
> The app that you developed is running constantly on a system other programs
> written by third parties must have the ability to comunicate with this one
> running instance .

>
> Well in this case a inmediate COM interface wil not solve the problem as COM
> creates a new instance in the past ( VB6 ) you could create ACTIVEX
> executables with VB6 in apartment threaded state so 1 instance could server
> many clients since .Net this is not possible annymore with COM , every .Net
> COM instance is actually a new instance of your component .

>
> What can you do to solve this :
>
> You could make your app a service and control it with the service
> controler or through a database
> You could create your app as a singletong remoting object hosted in a
> remoting server
> You could use WCF ( requires framework 3.0 )

>
> Ofcourse for all options you could write a COM dll that acts as a wrapper to
> the actuall interface , this for legacy clients

>
> This sort of application is also called a "distributed application"
>
> HTH
>
> regards
>
> Michel
>
>
>
>
> "Bruce W. Roeser" <broeser@cfl.rr.com> schreef in bericht
> news:urI9GL5EIHA.3400@TK2MSFTNGP03.phx.gbl...
>> CJ,
>>
>> The term that describes what you're trying to do is called "COM Interop".
>> Dot-Net code can call into ActiveX DLL's using the Com Interop feature.
>> At our company we have made extensive use of this ability as we migrate
>> our application forward a piece at a time.
>>
>> -bwr-
>>
>>
>> "cj" <cj@nospam.nospam> wrote in message
>> news:%23IouG31EIHA.4956@TK2MSFTNGP06.phx.gbl...
>>> I've often used methods exposed by software purchased for other uses to
>>> automate tasks. For instance back in the late 90's I found the terminal
>>> emulation package the company exposed methods that allowed me to write a
>>> VB program that could use that terminal emulation package to connect to,
>>> read, and enter data on the company's mainframes. I think this was called
>>> OLE?
>>>
>>> Well now I'm on the other end of the picture and I need to write into a
>>> .net program the ability to allow Microsot MOM or System Center Manager
>>> (whatever it's called now) to check the value of a few variables. Ideally
>>> this would be done in such a way that any other software could call a
>>> method of my app and get the value of a variable. I'm not sure OLE will
>>> work because unlike the terminal emulation software which was started up
>>> by the VB program, in this case my .net program is constantly running and
>>> working independently it just needs to be probed for status info.
>>>
>>> Can someone tell me the buzz word for what I need to do so I can find
>>> some info on how do do it? BTW my application is a Windows App, NOT ASPX
>>> so a web service is NOT what I'm looking for.
>>>
>>> If all else fails I'll just keep some environment variables set and
>>> updated that MOM can look at.
>>>
>>> Thanks!
>>
>