Good 3270 Emulator (.NET) [closed]

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Can anyone indicate a good 3270 emulator (which can login, scrape screen, find text, send keys 开发者_如何学Goetc. in background) for .NET (win and web). Something very similar to http://www.zephyrcorp.com/legacy-integration/index.htm (apparently zephyr costs like $5k per year, which is quite a lot, for one PC).

I also tried http://open3270.codeplex.com/SourceControl/list/changesets but it's way old and buggy.

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Attachmate Reflection is really good, it meets all the requirements you mentioned and it has a great .NET API you can use to easily automate it from your .NET code. They don't list prices on their website but I think it is under $300...

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For Desktop: I liked the idea of using a stable and well known client and remote control this instance. Therefore I ended up using x3270 (http://x3270.bgp.nu/) as the full featured, mature client in combination with X3270.Rest (https://www.nuget.org/packages/X3270.Rest/) that let's you remote control it from within a .NET application via the exposed REST interface (http://x3270.bgp.nu/rest.html). Reimplementing a complete new .NET client was not really an option because of all the alternatives out there. All those pitfalls on the road that lead to an reinvented wheel... But with an appropriate interface like the one mentioned it was quite easy to automate tasks without using DDE/HLLAPI. If running in the background means without visible window one could start the x3270 client from .NET via Process.Start with suitable arguments to avoid a window beeing created.