public MachinePictureEditForm(ref TechStoreManager tTechStoreManager, int tMachineID)
        {
            InitializeComponent();

            TechStoreManager = tTechStoreManager;
            MachineID        = tMachineID;

            this.MaximumSize = Screen.PrimaryScreen.WorkingArea.Size;

            pictureBox1.Image = TechStoreManager.GetMachinePhoto(MachineID);
        }