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.NET Forum / Languages / Managed C++ / March 2005C# with C++
Hi, I have a win32 mfc c++ non managed app ( created with vs6) which is too critical to transform into managed c++. I need to create a c# application which can run this application, and communicate with, like send string (for ex, received from msn), etc ... Is it possible to create a such app, keeping the performance of my initial app ? thx ! > Hi, > > I have a win32 mfc c++ non managed app ( created with vs6) > which is too critical to transform into managed c++. > I need to create a c# application which can run this application, and > communicate with, like send string (for ex, received from msn), etc ... - You can launch another process from a managed app. See System.Diagnostics.Process.Start. - Concerning "communication" with the other app, it all depends on how this other app is written and it should communicate with the outside world. > Is it possible to create a such app, keeping the performance of my initial app ? Most of the time, performance is not a problem when migrating from unmanaged to managed. Arnaud MVP - VC oh ok thanks :) so ... do you have some advices and examples to give about communications with a win32 app process and the mainapp c# app ? micha?l yoplaboum wrote: > oh ok thanks :) > > so ... do you have some advices and examples to give about > communications with a win32 app process and the mainapp c# app ? How does the MFC app communicates *now*? Does it expose COM objects? Does it listen on a socket? Uses it some other kind of IPC (named pipe, memory mapped file, ...)? If the MFC app is ont designed at all to be programmtically pioted, your only bet (short of adding the needed functionnalities to the MFC app), is to send window messages to it's window(s) in order to emulate the user interaction. This is ugly and error prone but may work. Use P/Invoke to use the PostMessage/SendMessage Win32 APIs. Arnaud MVP - VC > Hi, > [quoted text clipped - 6 lines] > > thx ! What does this non managed app do? I suppose it doesn't support COM. Communication can be tricky if it's supposed to be run by a real user and gas a GUI. /Fredrik it's a huge app of many projects which offers services to create and manipulate various elements. mfc are used to see and set the parameters of the created objects. I'm using Named Pipes for communication between my apps, both managed (C#) and unmanaged (Visual C++). Here's an article about it: http://www.thecodeproject.com/csharp/DotNetNamedPipesPart1.asp - Magnus > Hi, > [quoted text clipped - 12 lines] > Comprehensive, categorised, searchable collection of links to ASP & > ASP.NET resources... > I'm using Named Pipes for communication between my > apps, both managed (C#) and unmanaged (Visual C++). [quoted text clipped - 4 lines] > > - Magnus Unfortunately, I'm not very familiar with named pipes. /Fredrik you can relocated your std-in and std-out to a C# program. Than, everything will be OK :-) "yoplaboum" <ribaud@free.fr> ???????????? :e6jaQtMIFHA.2704@tk2msftngp13.phx.gbl... > Hi, [quoted text clipped - 11 lines] > Sent via Fuzzy Software @ http://www.fuzzysoftware.com/ > Comprehensive, categorised, searchable collection of links to ASP & ASP.NET resources... Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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