System.DllNotFound Exception

[AP]

Hello, I am trying to register a dll so that I can call functions from it
within vb.net.
I have used the command "regsvr32 game.dll" which diplays a message box
saying DllRegisterServ er in Game.dll suceeded.

In my VB.net application, I have added the following function to a module.

Declare Auto Sub CGL Lib "Game.dll" _
Alias "CreateGameLeve l" (ByVal s As Integer)

When I try to run the program with the code CGL(1) placed in the Form load
method, I get an System.DllNotFo und Exception, unable to load dll.
Why is this message appearing after windows has successfully registered the
dll, what am I doing wrong?

Thanks
AP

[m.posseth]

Re: System.DllNotFo und Exception

Hello AP



API declaration like

Declare Auto Sub CGL Lib "Game.dll" _
Alias "CreateGameLeve l" (ByVal s As Integer)

is used for "native" dll`s you do not need to register them ( they are
written in C , C++ ) the dll muct be in the system directory or in the
application path

dll`s that need to be registred with regsvr32.dll ( needed for install
location , and classid lookup ) are dll`s with a std ole interface (
Activex / COM / idispatch ) these dll`s need to be referenced in your
project .

project explorer , references , select the COM tab , press browse and
select the dll , now in you project you can access the property`s and
methods with the following syntax

private nameyoulike as new yourclassname

if the class exposes events

private withevents nameyoulike as new yourclassname


hth

M. Posseth


"AP" <no@no.com> wrote in message news:UqadnbLJm8 zPCqzeRVnygA@pi pex.net...[color=blue]
> Hello, I am trying to register a dll so that I can call functions from it
> within vb.net.
> I have used the command "regsvr32 game.dll" which diplays a message box
> saying DllRegisterServ er in Game.dll suceeded.
>
> In my VB.net application, I have added the following function to a module.
>
> Declare Auto Sub CGL Lib "Game.dll" _
> Alias "CreateGameLeve l" (ByVal s As Integer)
>
> When I try to run the program with the code CGL(1) placed in the Form load
> method, I get an System.DllNotFo und Exception, unable to load dll.
> Why is this message appearing after windows has successfully registered
> the dll, what am I doing wrong?
>
> Thanks
> AP
>
>
>[/color]

[AP]

Re: System.DllNotFo und Exception

Thanks for the info. I have used your code, but I get an error saying that
the object isnt initialised.
How do I initialise the object with a running instance?
What do I need to pass as a parameter for the getObject() function? Name of
the dll? Name of the class? Title of the window?

Thanks
AP

"m.posseth" <michelp@nohaus ystems.nl> wrote in message
news:uMsx0NtvFH A.2132@TK2MSFTN GP15.phx.gbl...[color=blue]
> Hello AP
>
>
>
> API declaration like
>
> Declare Auto Sub CGL Lib "Game.dll" _
> Alias "CreateGameLeve l" (ByVal s As Integer)
>
> is used for "native" dll`s you do not need to register them ( they are
> written in C , C++ ) the dll muct be in the system directory or in the
> application path
>
> dll`s that need to be registred with regsvr32.dll ( needed for install
> location , and classid lookup ) are dll`s with a std ole interface (
> Activex / COM / idispatch ) these dll`s need to be referenced in your
> project .
>
> project explorer , references , select the COM tab , press browse and
> select the dll , now in you project you can access the property`s and
> methods with the following syntax
>
> private nameyoulike as new yourclassname
>
> if the class exposes events
>
> private withevents nameyoulike as new yourclassname
>
>
> hth
>
> M. Posseth
>
>
> "AP" <no@no.com> wrote in message news:UqadnbLJm8 zPCqzeRVnygA@pi pex.net...[color=green]
>> Hello, I am trying to register a dll so that I can call functions from it
>> within vb.net.
>> I have used the command "regsvr32 game.dll" which diplays a message box
>> saying DllRegisterServ er in Game.dll suceeded.
>>
>> In my VB.net application, I have added the following function to a
>> module.
>>
>> Declare Auto Sub CGL Lib "Game.dll" _
>> Alias "CreateGameLeve l" (ByVal s As Integer)
>>
>> When I try to run the program with the code CGL(1) placed in the Form
>> load method, I get an System.DllNotFo und Exception, unable to load dll.
>> Why is this message appearing after windows has successfully registered
>> the dll, what am I doing wrong?
>>
>> Thanks
>> AP
>>
>>
>>[/color]
>
>[/color]

[m.posseth]

Re: System.DllNotFo und Exception


in wich language is the dll written ? ,,,,, because if it has a ole
interface ( win 32 non native windows ) you should use the functionality as
i showed however if this dll is written in a .Net language and does not
enforce an exposed COM interface you must set a .Net reference ( the first
tab instead of the second COM tab )

regrds

Michel Posseth


"AP" <no@no.com> wrote in message news:LPydna3sfK fXJKzeRVnyuQ@pi pex.net...[color=blue]
> Thanks for the info. I have used your code, but I get an error saying that
> the object isnt initialised.
> How do I initialise the object with a running instance?
> What do I need to pass as a parameter for the getObject() function? Name
> of the dll? Name of the class? Title of the window?
>
> Thanks
> AP
>
> "m.posseth" <michelp@nohaus ystems.nl> wrote in message
> news:uMsx0NtvFH A.2132@TK2MSFTN GP15.phx.gbl...[color=green]
>> Hello AP
>>
>>
>>
>> API declaration like
>>
>> Declare Auto Sub CGL Lib "Game.dll" _
>> Alias "CreateGameLeve l" (ByVal s As Integer)
>>
>> is used for "native" dll`s you do not need to register them ( they are
>> written in C , C++ ) the dll muct be in the system directory or in the
>> application path
>>
>> dll`s that need to be registred with regsvr32.dll ( needed for install
>> location , and classid lookup ) are dll`s with a std ole interface (
>> Activex / COM / idispatch ) these dll`s need to be referenced in your
>> project .
>>
>> project explorer , references , select the COM tab , press browse and
>> select the dll , now in you project you can access the property`s and
>> methods with the following syntax
>>
>> private nameyoulike as new yourclassname
>>
>> if the class exposes events
>>
>> private withevents nameyoulike as new yourclassname
>>
>>
>> hth
>>
>> M. Posseth
>>
>>
>> "AP" <no@no.com> wrote in message
>> news:UqadnbLJm8 zPCqzeRVnygA@pi pex.net...[color=darkred]
>>> Hello, I am trying to register a dll so that I can call functions from
>>> it within vb.net.
>>> I have used the command "regsvr32 game.dll" which diplays a message box
>>> saying DllRegisterServ er in Game.dll suceeded.
>>>
>>> In my VB.net application, I have added the following function to a
>>> module.
>>>
>>> Declare Auto Sub CGL Lib "Game.dll" _
>>> Alias "CreateGameLeve l" (ByVal s As Integer)
>>>
>>> When I try to run the program with the code CGL(1) placed in the Form
>>> load method, I get an System.DllNotFo und Exception, unable to load dll.
>>> Why is this message appearing after windows has successfully registered
>>> the dll, what am I doing wrong?
>>>
>>> Thanks
>>> AP
>>>
>>>
>>>[/color]
>>
>>[/color]
>
>[/color]