ARKBreedingStats.Form1.setCollectionChanged C# (CSharp) Метод

        private void setCollectionChanged(bool changed, string species = null)
        {
            if (changed)
            {
                if (species == null || (pedigree1.creature != null && pedigree1.creature.species == species))
                    pedigreeNeedsUpdate = true;
                if (species == null || breedingPlan1.currentSpecies == species)
                    breedingPlanNeedsUpdate = true;
            }

            if (autoSave && changed)
            {
                // save changes automatically
                // backup currentFile if older than 5 min
                if (currentFileName != "" && autoSaveMinutes > 0 && (DateTime.Now - lastAutoSaveBackup).TotalMinutes > autoSaveMinutes)
                {
                    string filenameWOExt = Path.GetFileNameWithoutExtension(currentFileName);
                    File.Copy(currentFileName, Path.GetDirectoryName(currentFileName) + "\\" + filenameWOExt + "_backup_" + DateTime.Now.ToString("yyyyMMdd_HHmmss") + ".xml");
                    lastAutoSaveBackup = DateTime.Now;
                    // delete oldest backupfile if more than a certain number
                    var directory = new System.IO.DirectoryInfo(Path.GetDirectoryName(currentFileName));
                    var oldBackupfiles = directory.GetFiles().Where(f => (f.Name.Length > filenameWOExt.Length + 8 && f.Name.Substring(0, filenameWOExt.Length + 8) == filenameWOExt + "_backup_")).OrderByDescending(f => f.LastWriteTime).Skip(3).ToList();
                    foreach (FileInfo f in oldBackupfiles)
                    {
                        f.Delete();
                    }
                }

                // save changes
                saveCollection();
                return; // function is called soon again from savecollection()
            }
            collectionDirty = changed;
            string fileName = System.IO.Path.GetFileName(currentFileName);
            this.Text = "ARK Smart Breeding" + (fileName.Length > 0 ? " - " + fileName : "") + (changed ? " *" : "");
        }