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Re: Windows Xp Visual Style Seishin#31-Jul-07 21:34 Seishin# 31-Jul-07 21:34  delete Application.EnableVisualStyles() line from Main() life is study!!! Create a dll for a c# file mpavas31-Jul-07 21:08 mpavas 31-Jul-07 21:08  I would like to create a DLL from a c# file to reffer it to a new project. Please suggest how can I do it. Pavas Re: Create a dll for a c# file Christian Graus31-Jul-07 21:18 Christian Graus 31-Jul-07 21:18  Create a new project, of type 'class library'. Copy in your code, and build. Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum ) Re: Create a dll for a c# file mpavas31-Jul-07 21:21 mpavas 31-Jul-07 21:21  I already have a web applicaion and the webapplicaion has the .CS file. I am looking for a command to convert the .CS file to dll and reuse it to some other project.I am using VS 2005 Pavas Re: Create a dll for a c# file il_masacratore31-Jul-07 21:19 il_masacratore 31-Jul-07 21:19  ...you have to simply: You have to insert a new Project inside you solution(class library type). Then insert an existing item(c# file) inside this project. Compile. Add a reference in your app project, and use it!! Visit my blog at http://dotnetforeveryone.blogspot.com/ Re: Create a dll for a c# file mpavas31-Jul-07 21:32 mpavas 31-Jul-07 21:32  Thanks! Let me explain you in detail. Sorry for not detailing u the problem I want to create a seprate project. Ourside the solution. So there are two seprate projects [one is web project and other one is windows service]. This Web project uses a connection class. Now is it possible to reuse the same connection class with out creating a coppy of .cs file. Pavas Re: Create a dll for a c# file Christian Graus31-Jul-07 21:59 Christian Graus 31-Jul-07 21:59  Dagnamit it - two people have told you now. You need to create a new project and move the code into that project. It needs to be a class library. That's how you create a dll. You need to move code into the dll, for it to be there, quite plainly. If you don't create a copy of the file, how can you hope to create a dll ? You'd then remove the copy from your project, as it will get the class from the dll. Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum ) Re: Create a dll for a c# file PaulPrice31-Jul-07 22:15 PaulPrice 31-Jul-07 22:15  here here, flame away! Re: Create a dll for a c# file mpavas31-Jul-07 22:45 mpavas 31-Jul-07 22:45  I was thinking to convert a single file to dll using as below: csc /target:library /out:CONNECTION.DLL app_code\Connection.cs Shure creating a class library is the best Idea. I agree. Thank you Pavas Re: Create a dll for a c# file PaulPrice31-Jul-07 22:16 PaulPrice 31-Jul-07 22:16  The detail was fine (again), I simply do not believe you are reading the answers, which in turn suggest to me that you have never read a reference manual in your life! Re: Create a dll for a c# file mpavas31-Jul-07 22:22 mpavas 31-Jul-07 22:22  yes i have never Pavas Re: Create a dll for a c# file mpavas31-Jul-07 22:31 mpavas 31-Jul-07 22:31  Any ways thnaks for suggestion! Pavas How to use C++ h files in C# ... ? Yanshof31-Jul-07 19:58 Yanshof 31-Jul-07 19:58  Hi All, I have 2 project in my solution - the first is something old that was wrote in C++ and the other is something new that i writing in C#. In the C++ project - i have some big file ( h file ( header )) that contain some struct, enum, define ... and more const Return code. What i want to do is to use those information somehow. How can i do it ? i don't want to write all those information as new information by myself again - i want to use the exist info... Thanks for any help. Re: How to use C++ h files in C# ... ? Christian Graus31-Jul-07 20:17 Christian Graus 31-Jul-07 20:17  You really can't. You can build your header file as a managed C++ dll, and import it, that would work. However, you can't just use it in yuor project, how could you ? Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum ) Re: How to use C++ h files in C# ... ? Yanshof31-Jul-07 20:29 Yanshof 31-Jul-07 20:29  In general - What i need to do in this case ? I can use manages C++ code - but there is some example of how i can do it ? Re: How to use C++ h files in C# ... ? Christian Graus31-Jul-07 20:36 Christian Graus 31-Jul-07 20:36  MAke your header build into a dll and set the /clr option. Then you can import this dll into your C# project. Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum ) Re: How to use C++ h files in C# ... ? Yanshof31-Jul-07 20:40 Yanshof 31-Jul-07 20:40  ok , Thanks. JPEG loseless and lossy compression Darmi31-Jul-07 17:55 Darmi 31-Jul-07 17:55  Hi, I want to implement JPEG loseless and lossy compression. Can anyone please help me. Darmi Re: JPEG loseless and lossy compression Christian Graus31-Jul-07 18:22 Christian Graus 31-Jul-07 18:22  There are many 'JPEG' compressions. The most common one is the lossy one supported by GDI+. Creating files using this compression in C# is trivial. There are also a number of 'lossless' compressions, including JPEG 2000, JPEG lossless, etc. For JPEG 2000, I use the Atalasoft imaging library ( the J2000 stuff is an add on, and not cheap ). There are no free implimentations of J2000 that I know of, there is a JPEG lossless dll from HP, but I never actually got around to using it, I just found it in my search for a lossless compression supported by DICOM. Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum ) Re: JPEG loseless and lossy compression Darmi31-Jul-07 18:44 Darmi 31-Jul-07 18:44  Thanks Christian Graus, But i need the implementation in C# or the algorithm to implement this compression techniques. Thanks, Darmi Re: JPEG loseless and lossy compression Christian Graus31-Jul-07 18:52 Christian Graus 31-Jul-07 18:52  I see. Well, I want a Ferrarri. Doesn't mean I can have one. Like I said, there are no C# implimentations for JPEG lossless that I know of. JPEG 2000, there are definately no free implimentations. The cheapest I found was Atalasoft, it's about $2000 plus the cost of their core library. It's very good, I use it. Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum ) Re: JPEG loseless and lossy compression Seishin#31-Jul-07 21:41 Seishin# 31-Jul-07 21:41  Image image; ... Bitmap bmp = new Bitmap(image); ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders(); ImageCodecInfo ici = null; foreach(ImageCodecInfo codec in codecs) { if(codec.MimeType == "image/jpeg") ici = codec; } EncoderParameters ep = new EncoderParameters(); long quality = (long)100; // 0-lossy ... 100-loseless ep.Param[0] = new EncoderParameter(Encoder.Quality, quality); bmp.Save(fileName, ici, ep); life is study!!! Re: JPEG loseless and lossy compression Christian Graus31-Jul-07 22:01 Christian Graus 31-Jul-07 22:01  No, you are totally wrong. Even at 100, a JPEG is lossy. It's just less so. And, as I said in my answer, there are many JPEG formats, including lossless ones. They are not supported by .NET, only the common lossy JPEG format is. Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum ) Re: JPEG loseless and lossy compression Seishin#31-Jul-07 23:10 Seishin# 31-Jul-07 23:10  Christian Graus wrote: No, you are totally wrong not totally I guess.. Christian Graus wrote: Even at 100, a JPEG is lossy maybe, but a lot less lossy than Image.Save() life is study!!! Re: JPEG loseless and lossy compression Darmi1-Aug-07 0:03 Darmi 1-Aug-07 0:03  Hai Seishin, I have tried this method. But i read some documents indicating two different algorithms for implementing lossy and losseless - huffman algorithm.. something like this. If we can implement lossy and loseless in the above method, then why its said that there are two different algorithms for each. Morover, i came to know that JPEG is lossy itself, but loseless have different format other than .jpg. Am i correct? Please help me. Darmi

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