Support Forums - View Thread

View Thread

The following is the text of the current message along with any replies.

Messages 1 to 4 of 4 total

Wed, Mar 31 2010 11:19 AM	Permanent Link
Josselin	Hi, I use ElevateDB in a program that consists of a main executable and several DLLs. This program can be used in local session or remote session. Should I put a TEDBSession component in each dll? Should I put a TEDBEngine component in each dll? Because every time I open a dll I have an error message that tells me that "The Configuration Path is empty". Thank you for your help. Bruno
Wed, Mar 31 2010 2:02 PM	Permanent Link
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com	Josselin, << Should I put a TEDBSession component in each dll? Should I put a TEDBEngine component in each dll? Because every time I open a dll I have an error message that tells me that "The Configuration Path is empty". >> Yes, each DLL will behave like a separate application. You cannot share objects between DLLs and the main EXE without configuring the FastMM memory manager to do so. What version of Delphi are you using ? -- Tim Young Elevate Software www.elevatesoft.com
Thu, Apr 1 2010 3:05 AM	Permanent Link
Josselin	I'm using Delphi 2009. What is the FastMM memory manager ? Should I put a TEDBEngine component in each dll ? Bruno "Tim Young [Elevate Software]" wrote: Josselin, << Should I put a TEDBSession component in each dll? Should I put a TEDBEngine component in each dll? Because every time I open a dll I have an error message that tells me that "The Configuration Path is empty". >> Yes, each DLL will behave like a separate application. You cannot share objects between DLLs and the main EXE without configuring the FastMM memory manager to do so. What version of Delphi are you using ? -- Tim Young Elevate Software www.elevatesoft.com
Thu, Apr 1 2010 7:54 AM	Permanent Link
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com	Josselin, << I'm using Delphi 2009. What is the FastMM memory manager ? >> It is included with Delphi 2009 as the default memory manager. You can enable the shared memory manager for the DLLs by following these notes: http://edn.embarcadero.com/article/33416#20SharingMemoryManagersBetweenAnApplicationAndLibraries However, I actually misstated what you can do with the shared memory manager. You can share dynamic arrays and strings with it, but I don't think you can share object instances due to differences in the VMTs (virtual method tables) for the DLL vs. the EXE. -- Tim Young Elevate Software www.elevatesoft.com