public EditPerechenItemWindow(string projectPath, int strNum, int currentSave, int nextSave)
        {
            InitializeComponent();


            project = new ProjectDB(projectPath);

            perItem = new PerechenItem();

            perItem = project.GetPerechenItem(strNum, currentSave);

            perItem.id = (new Global()).makeID(strNum, nextSave);

            designatorTextBox.Text             = perItem.designator;
            nameTextBox.Text                   = perItem.name;
            quantityTextBox.Text               = perItem.quantity;
            noteTextBox.Text                   = perItem.note;
            isNameUnderlinedCheckBox.IsChecked = perItem.isNameUnderlined;
        }