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    NPP C# plugin - How to get the list of Notepad++'s open files.

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    • Alessandro
      Alessandro last edited by

      As suggested by Claudia Frank I dowloaded the C# plugin templete from here (I found in Notepad++ Wiki web site).

      Unlikely once copied the its dll templete in the NPP plugin folder (C:\Program Files (x86)\Notepad++\plugins) when Notepad++ starts a message box appears saying that

      “This ANSI plugin is not compatible with your Unicode Notepad++”

      What am I doing wrong?
      Am I using the wrong C# plugin templete?

      Cheers
      Alessandro

      Claudia Frank Scott Sumner 2 Replies Last reply Reply Quote 0
      • Claudia Frank
        Claudia Frank @Alessandro last edited by

        @Alessandro

        did I suggest to download the c# template from file-upload.net? I don’t think so.
        From the wiki that you refer to

        The Common Plugin Interface
        bool isUnicode()
        A plugin is designed to either work with an ANSI or Unicode build of Notepad++. ANSI plugins must not define this function. Unicode plugins must define it, and it must return true.

        Cheers
        Claudia

        1 Reply Last reply Reply Quote 0
        • Scott Sumner
          Scott Sumner @Alessandro last edited by

          @Alessandro

          “This ANSI plugin is not compatible with your Unicode Notepad++” What am I doing wrong? Am I using the wrong C# plugin templete?

          You also asked this SAME question in this OTHER thread:
          https://notepad-plus-plus.org/community/topic/14495/npp-c-plugin-template-for-unicode

          Was @dail 's answer in that other thread not correct or insufficient?

          1 Reply Last reply Reply Quote 0
          • Alessandro
            Alessandro last edited by

            I made a lot of confusion, so sorry.

            You didn’t suggest to download the C# template from file-upload.net.
            Reading your kind post I thought it was right place from which download it. I was evidently wrong also because that template doesn’t work ( “This ANSI plugin is not compatible with your Unicode Notepad++” issue).

            Let’s start from the beginning.

            Can you suggest where to get the demo C# template you talked about and where you get the SendMessage example?

            Regards
            Alessandro

            Claudia Frank 1 Reply Last reply Reply Quote 1
            • Claudia Frank
              Claudia Frank @Alessandro last edited by

              @Alessandro

              the plugin template is from kblisted as stated in your other post, to be exact it is from
              https://github.com/kbilsted/NotepadPlusPlusPluginPack.Net
              If you downloaded from this site you should have a Demo Plugin folder which contains the
              demo.cs file which itself has several SendMessage examples.

              The error about unicode and ansi version is coming from notepadd++.
              What it does is, simple explanation, notepad++ loads your plugin dll and is calling
              a dll function called isUnicode(). If this function returns true then npp assumes it is
              a valid unicode plugin. If this function cannot be called, because you didn’t implement it or it returns false, then it throws this error.
              The plugin template has this function already defined within UnmanagedExports.cs.

              Makes this sense to you?

              Cheers
              Claudia

              1 Reply Last reply Reply Quote 0
              • Alessandro
                Alessandro last edited by

                Dear Claudia,

                I want to thank you so much for the precious help you gave me.

                Everything is clear now. Right C# template, right demo project, exactly what I was looking for. The reason of the NPP’s incompatible dll message when NPP stars is now clear.

                I greatly appreciated your patience and the clarity of your explanation thanks to which I fully understood.

                Cheers
                Alessandro

                Claudia Frank 1 Reply Last reply Reply Quote 1
                • Claudia Frank
                  Claudia Frank @Alessandro last edited by

                  @Alessandro,

                  my pleasure!

                  Cheers
                  Claudia

                  1 Reply Last reply Reply Quote 0
                  • Alessandro
                    Alessandro last edited by

                    @Claudia

                    Can you explain me why the method saveCurrentSessionDemo present in the Demo NPP C# plugin, even if the Win32.SendMessage return the full path of the file to be saved (i.e. C:\text.txt) the file text.txt is not created. It happens only if the static string sessionFilePath = @“C:\text.txt”" and it doesn’t if *static string sessionFilePath = @“C:\Users\USR1\Desktop\text.txt”.

                    Here is the source code of the saveCurrentSessionDemo

                    static void saveCurrentSessionDemo()
                    {
                    string sessionPath = Marshal.PtrToStringUni(Win32.SendMessage(PluginBase.nppData._nppHandle, (uint) NppMsg.NPPM_SAVECURRENTSESSION, 0, sessionFilePath));
                    if (!string.IsNullOrEmpty(sessionPath))
                    MessageBox.Show(sessionPath, “Saved Session File :”, MessageBoxButtons.OK);
                    }

                    Regards and thanks in advance
                    Alessandro

                    Claudia Frank 1 Reply Last reply Reply Quote 0
                    • Claudia Frank
                      Claudia Frank @Alessandro last edited by

                      @Alessandro

                      I’m a little bit confused about what is working and what doesn’t.
                      Are you saying if you specify sessionFilePath = “C:\text.txt” it is working
                      but if you specify sessionFilePath = “C:\Users\USR1\Desktop\text.txt"
                      it does not work?

                      Or is it vice versa?

                      As I’m not a csharp developer I tried this with python and both ways work for me
                      so I have to assume that the path C:\Users\USR1\Desktop does not exist or permissions
                      problems happen.

                      Cheers
                      Claudia

                      1 Reply Last reply Reply Quote 0
                      • Alessandro
                        Alessandro last edited by

                        You confusion comes from the fact I’m not a native english, sorry.
                        But yes in my case sessionFilePath = “C:\text.txt” doesn’t work. It also for me a matter of permissions. Then the question is Win32.SendMessage doesn’t return a path null or empty as the file ins’t created.

                        Thank you so much.
                        Alessandro

                        Claudia Frank rinku singh 2 Replies Last reply Reply Quote 0
                        • Claudia Frank
                          Claudia Frank @Alessandro last edited by Claudia Frank

                          I tried this with python and it is behaving the same. I don’t get an info that the call failed.
                          I did a quick look to the npp source code and it looks like we should get the info

                          	case NPPM_SAVECURRENTSESSION:
                          	{
                          		return (LRESULT)fileSaveSession(0, NULL, reinterpret_cast<const TCHAR *>(lParam));
                          	}
                          

                          and

                          const TCHAR * Notepad_plus::fileSaveSession(size_t nbFile, TCHAR ** fileNames, const TCHAR *sessionFile2save)
                          {
                              if (sessionFile2save)
                              {
                                  Session currentSession;
                                  if ((nbFile) && (fileNames))
                                  {
                                      for (size_t i = 0 ; i < nbFile ; ++i)
                                      {
                                          if (PathFileExists(fileNames[i]))
                                              currentSession._mainViewFiles.push_back(generic_string(fileNames[i]));
                                      }
                                  }
                                  else
                                      getCurrentOpenedFiles(currentSession);
                          
                                  (NppParameters::getInstance())->writeSession(currentSession, sessionFile2save);
                                  return sessionFile2save;
                              }
                              return NULL;
                          }
                          

                          In case of success it should return the full path, in case of error NULL.
                          So I assume, this isn’t correctly implemented, either in python and c# plugin pack
                          or npp. Hmm, as I do not have a windows operating system anymore I can hardly test it. Sorry.

                          Cheers
                          Claudia

                          1 Reply Last reply Reply Quote 0
                          • rinku singh
                            rinku singh @Alessandro last edited by

                            @Alessandro
                            BGuenthner has good answer here for get all open files and current open files include new tab
                            https://sourceforge.net/p/notepad-plus/discussion/482781/thread/90ae2b1a/

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