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Does sentrol support 64-bit applications created with XE2?
September 24, 2018
14:39, EEST
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jl75
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Hi, does sentrol support 64-bit applications created with XE2?

I tried creating a 64-bit OPC DA Server using Sentrol but after connecting with an OPC DA Client, it crashed with the following error:

Runtime error 216 at 000000000040C4A5

I also tried Tutorial_Lesson8_OPCProvider and got the following error.

CaptureImage Enlarger

Thanks for any pointers. Smile

By the way, does sentrol support Delphi 10.2?

September 25, 2018
16:33, EEST
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Jouni Aro
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Yes it should. I could not verify XE2 right away, but at least I managed to compile the Prosys OPC Simulation Server in 64-bit with XE4 and it worked fine, when I connect with Prosys OPC Client. Do you have a chance to try it with a newer Delphi compiler, in case this is just an XE2 compiler issue?

BTW: If you happen to have registered both 32-bit and 64-bit version of the server, see https://mariusbancila.ro/blog/2010/11/04/32-bit-and-64-bit-com-servers/ on more details which one is used.

And yes, Sentrol supports Delphi 10.2 Tokyo. Thanks for the note, looks like our product page hasn’t been updated accordingly. Fixed now.

September 25, 2018
16:47, EEST
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Jouni Aro
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OK, I managed to reproduce (at least something) with the tutorial project (in XE4). If the server is started manually, I can connect with the client; otherwise I get a ‘Class not registered’ error.

September 25, 2018
16:59, EEST
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Jouni Aro
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Well, that was just a server registration problem. So the tutorial project should work fine in 64-bit as well.

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