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



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Hi there. 

Anybody having an example of the Object Model being used in C# from 
Visual Studio? I can't get the following to work (after reference to 
broker.dll made from broker.tlb using imptlb.exe)...

The following c# code:
----------------------
using Broker
Broker.Application ab = new Broker.Application();
string currentPath = ab.DatabasePath;
----------------------

throws the following exeption:

System.InvalidCastException was unhandled
   Message="Unable to cast COM object of
type 'Broker.ApplicationClass' to interface
type 'Broker.IApplication'. This operation failed because the
QueryInterface call on the COM component for the interface with
IID '{2DCDD57B-9CC9-11D3-BF72-00C0DFE30718}' failed due to the
following error: No such interface supported (Exception from
HRESULT: 0x80004002 (E_NOINTERFACE))."


What am I doing wrong? Also, would like to use late binding - but 
think using broker.tlb means early binding - or?





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