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  3. any tips to share on converting Win32 demo application to C#?

any tips to share on converting Win32 demo application to C#?

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csharpgraphicsalgorithmsquestion
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  • S Offline
    S Offline
    Southmountain
    wrote on last edited by
    #1

    I have a small Win32 app demo to show some algorithms on drawing 2D geometry. I plan to convert or rewrite it in C# because I like to use this algorithm in my WinForm app. any tips to share? it seems a little daunting to me...

    diligent hands rule....

    CPalliniC M M M S 5 Replies Last reply
    0
    • S Southmountain

      I have a small Win32 app demo to show some algorithms on drawing 2D geometry. I plan to convert or rewrite it in C# because I like to use this algorithm in my WinForm app. any tips to share? it seems a little daunting to me...

      diligent hands rule....

      CPalliniC Offline
      CPalliniC Offline
      CPallini
      wrote on last edited by
      #2

      I guess (I'm not an expert) going from Win32 to Windows Forms is far easier than the opposite. GDI+ is rather user-friendly, in my opinion.

      "In testa che avete, Signor di Ceprano?" -- Rigoletto

      In testa che avete, signor di Ceprano?

      S 1 Reply Last reply
      0
      • S Southmountain

        I have a small Win32 app demo to show some algorithms on drawing 2D geometry. I plan to convert or rewrite it in C# because I like to use this algorithm in my WinForm app. any tips to share? it seems a little daunting to me...

        diligent hands rule....

        M Offline
        M Offline
        megaadam
        wrote on last edited by
        #3

        My tip: do not.

        "If we don't change direction, we'll end up where we're going"

        O 1 Reply Last reply
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        • M megaadam

          My tip: do not.

          "If we don't change direction, we'll end up where we're going"

          O Offline
          O Offline
          obermd
          wrote on last edited by
          #4

          I concur. If you must redo this demo as a C# application, write it from the ground up in C#. You'll end up with a more efficient application than if you do a straight conversion.

          S 1 Reply Last reply
          0
          • O obermd

            I concur. If you must redo this demo as a C# application, write it from the ground up in C#. You'll end up with a more efficient application than if you do a straight conversion.

            S Offline
            S Offline
            Southmountain
            wrote on last edited by
            #5

            yes, I plan to go through the code and understand the logic, then rewrite it...

            diligent hands rule....

            R 1 Reply Last reply
            0
            • CPalliniC CPallini

              I guess (I'm not an expert) going from Win32 to Windows Forms is far easier than the opposite. GDI+ is rather user-friendly, in my opinion.

              "In testa che avete, Signor di Ceprano?" -- Rigoletto

              S Offline
              S Offline
              Shao Voon Wong
              wrote on last edited by
              #6

              I second you. C++ GDI+ and C# GDI+ are very similar, one-to-one function replacement. I ported my [Outline Text](https://www.codeproject.com/Articles/42529/Outline-Text) from C++ to C# in one day.

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              • S Southmountain

                yes, I plan to go through the code and understand the logic, then rewrite it...

                diligent hands rule....

                R Offline
                R Offline
                Ron Anders
                wrote on last edited by
                #7

                What's it written in now? Or, do you wish this to be a web app and hence C#?

                S 1 Reply Last reply
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                • S Southmountain

                  I have a small Win32 app demo to show some algorithms on drawing 2D geometry. I plan to convert or rewrite it in C# because I like to use this algorithm in my WinForm app. any tips to share? it seems a little daunting to me...

                  diligent hands rule....

                  M Offline
                  M Offline
                  Member 9167057
                  wrote on last edited by
                  #8

                  Depends on the language the original was written in as well as how well-structured it is. I would go about this by first and foremost separating business logic from plumbing. Then, by mapping the APIs used in the business logic part to .NET parts. While P/Invoking them is certainly feasible, that's only advised if the goal is defined as sticking as close as possible to the original and/or there's no corresponding .NET APIs.

                  S 1 Reply Last reply
                  0
                  • S Southmountain

                    I have a small Win32 app demo to show some algorithms on drawing 2D geometry. I plan to convert or rewrite it in C# because I like to use this algorithm in my WinForm app. any tips to share? it seems a little daunting to me...

                    diligent hands rule....

                    M Offline
                    M Offline
                    MikeCO10
                    wrote on last edited by
                    #9

                    Not sure how we can answer that without knowing what language is it written in now?

                    S 1 Reply Last reply
                    0
                    • S Southmountain

                      I have a small Win32 app demo to show some algorithms on drawing 2D geometry. I plan to convert or rewrite it in C# because I like to use this algorithm in my WinForm app. any tips to share? it seems a little daunting to me...

                      diligent hands rule....

                      S Offline
                      S Offline
                      Shmoken99
                      wrote on last edited by
                      #10

                      Ctrl+C Ctrl+V then start fixing the compiler errors. Converted an ancient app to C#. The biggest problem was changing all the 1 based indexes to 0 based. Wrote unit tests in both languages to ensure consistent behavior.

                      1 Reply Last reply
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                      • M MikeCO10

                        Not sure how we can answer that without knowing what language is it written in now?

                        S Offline
                        S Offline
                        Southmountain
                        wrote on last edited by
                        #11

                        Win32, written in C++.

                        diligent hands rule....

                        1 Reply Last reply
                        0
                        • M Member 9167057

                          Depends on the language the original was written in as well as how well-structured it is. I would go about this by first and foremost separating business logic from plumbing. Then, by mapping the APIs used in the business logic part to .NET parts. While P/Invoking them is certainly feasible, that's only advised if the goal is defined as sticking as close as possible to the original and/or there's no corresponding .NET APIs.

                          S Offline
                          S Offline
                          Southmountain
                          wrote on last edited by
                          #12

                          thanks for you great experience!

                          diligent hands rule....

                          1 Reply Last reply
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                          • R Ron Anders

                            What's it written in now? Or, do you wish this to be a web app and hence C#?

                            S Offline
                            S Offline
                            Southmountain
                            wrote on last edited by
                            #13

                            Win32, written in C++. would like to convert it into C# WinApp to play around with the algorithms in it,,,

                            diligent hands rule....

                            1 Reply Last reply
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