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Re: [amibroker] Re: Amibroker Automation Object Model and C# in Visual Studio 2005


  • To: <amibroker@xxxxxxxxxxxxxxx>
  • Subject: Re: [amibroker] Re: Amibroker Automation Object Model and C# in Visual Studio 2005
  • From: "Tomasz Janeczko" <amibroker@xxxxxx>
  • Date: Mon, 6 Feb 2006 21:58:41 +0100

PureBytes Links

Trading Reference Links

Hello,

No you don't need all that. There are plenty of documents on Microsoft site
that explain how to use late binding in C# .NET 
for example:
http://support.microsoft.com/kb/302902/

(all documents that cover "how to link to Excel/Access/Word/Powerpoint"
apply to any other out-proc OLE server, including AmiBroker)

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message ----- 
From: "tiedemj" <home@xxxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, February 06, 2006 9:44 PM
Subject: [amibroker] Re: Amibroker Automation Object Model and C# in Visual Studio 2005


> still digging... for broker.tlb (dll) to be usable for all visual 
> studio programming languages, it seems it needs to be provided as 
> a "shared assembly". A shared assembly needs "Strong names" - that 
> is, the dll needs to be signed with a public/private key. This can 
> be done once in Visual Studio 2005, by 
> 
> 1. generating a key with the "sn" utility
> 2. signing the broker project using the signing tab in project 
> properties(only Tomasz would be able to do this) 
> 3. once recompiled, the (signed) assembly can now be made universaly 
> available through the global assembly cache by copy to 
> windows\assembly (XP)
> 
> OR - am I digging in the wrong direction - and there is a much 
> simpler solution to use the amibroker object model in C#/Visual 
> Studio with late binding that just escapes me?
> 
> regards
> Jens Tiedemann
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "tiedemj" <home@xxx> wrote:
>>
>> OK - Great - and thanks! Now - how do I do latebinding of the 
> Object 
>> Model in C# using createObject. So what do I need to type to get 
> the 
>> example:
>> 
>> ----------------------------
>> Broker.Application ab = new Broker.Application();
>> string currentPath = ab.DatabasePath;
>> ----------------------------
>> 
>> to work - and what "using" statements etc. will provide the type 
>> interface/suggestions/methods "lookup" when typing code? I've been 
>> at it for almost a week now with no luck, probably mostly due to 
> the 
>> fact that I'm a newbee at using "foreign" COM objects in C# - so 
> it 
>> might be something very simple I'm not getting...
>> 
>> Thanks
>> Jens Tiedemann
>> 
>> 
>> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@> 
>> wrote:
>> >
>> > Hello,
>> > 
>> > Late binding (via CreateObject()) is the only recommended way 
>> since interface may change
>> > and all .tlb dependent programs may need recompilation. With 
> Late 
>> binding your code will
>> > be backward and forward compatible with any AB version.
>> > 
>> > Best regards,
>> > Tomasz Janeczko
>> > amibroker.com
>> > ----- Original Message ----- 
>> > From: "William Peters" <william@>
>> > To: "tiedemj" <amibroker@xxxxxxxxxxxxxxx>
>> > Sent: Monday, February 06, 2006 6:27 PM
>> > Subject: Re: [amibroker] Amibroker Automation Object Model and 
> C# 
>> in Visual Studio 2005
>> > 
>> > 
>> > > 
>> > > The same error occurs in VB 2005. After spending a week 
>> researching
>> > > the issue I gave up and now use late binding.
>> > > 
>> > > 
>> > > 
>> > > Regards,
>> > > William Peters
>> > > http://www.amitools.com
>> > > 
>> > > 
>> > > 
>> > > 
>> > > Monday, February 6, 2006, 11:58:05 AM, you wrote:
>> > > t>    Hi there. 
>> > > 
>> > > t>  Anybody having an example of the Object Model being used 
> in 
>> C# from
>> > > t>  Visual Studio? I can't get the following to work (after 
>> reference to
>> > > t>  broker.dll made from broker.tlb using imptlb.exe)...
>> > > 
>> > > t>  The following c# code:
>> > > t>  ----------------------
>> > > t>  using Broker
>> > > t>  Broker.Application ab = new Broker.Application();
>> > > t>  string currentPath = ab.DatabasePath;
>> > > t>  ----------------------
>> > > 
>> > > t>  throws the following exeption:
>> > > 
>> > > t>  System.InvalidCastException was unhandled
>> > > t>  Message="Unable to cast COM object of
>> > > t>  type 'Broker.ApplicationClass' to interface
>> > > t>  type 'Broker.IApplication'. This operation failed because 
> the
>> > > t>  QueryInterface call on the COM component for the interface 
>> with
>> > > t>  IID '{2DCDD57B-9CC9-11D3-BF72-00C0DFE30718}' failed due to 
>> the
>> > > t>  following error: No such interface supported (Exception 
> from
>> > > t>  HRESULT: 0x80004002 (E_NOINTERFACE))."
>> > > 
>> > > 
>> > > t>  What am I doing wrong? Also, would like to use late 
> binding -
>>  but 
>> > > t>  think using broker.tlb means early binding - or?
>> > > 
>> > > 
>> > > 
>> > > 
>> > >    
>> > >  
>> > > 
>> > > 
>> > > 
>> > > 
>> > > 
>> > > Please note that this group is for discussion between users 
> only.
>> > > 
>> > > To get support from AmiBroker please send an e-mail directly 
> to 
>> > > SUPPORT {at} amibroker.com
>> > > 
>> > > For other support material please check also:
>> > > http://www.amibroker.com/support.html
>> > > 
>> > > 
>> > > Yahoo! Groups Links
>> > > 
>> > > 
>> > > 
>> > > 
>> > > 
>> > > 
>> > >
>> >
>>
> 
> 
> 
> 
> 
> 
> 
> Please note that this group is for discussion between users only.
> 
> To get support from AmiBroker please send an e-mail directly to 
> SUPPORT {at} amibroker.com
> 
> For other support material please check also:
> http://www.amibroker.com/support.html
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
>


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