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

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    • Claudia Frank
      Claudia Frank @Alessandro last edited by

      @Alessandro

      from the demo

      StringBuilder sbIniFilePath = new StringBuilder(Win32.MAX_PATH);
      Win32.SendMessage(PluginBase.nppData._nppHandle, (uint) NppMsg.NPPM_GETPLUGINSCONFIGDIR, Win32.MAX_PATH, sbIniFilePath);
      iniFilePath = sbIniFilePath.ToString();
      

      instead of using NPPM_GETPLUGINSCONFIGDIR you use the NPPM_GETNBOPENFILES
      and the required parameters.

      Cheers
      Claudia

      1 Reply Last reply Reply Quote 0
      • 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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