private void displayToolStripMenuItem_Click(object sender, EventArgs e)
        {
            userInputWindow = new UserInputWindow();
            lvf             = new ListViewForm();

            bool           open = false;
            FormCollection fc   = Application.OpenForms;

            foreach (Form frm in fc)
            {
                if (frm.Name == "ListViewForm")
                {
                    open = true;
                    frm.Select();
                    break;
                }
            }
            if (open == false)
            {
                lvf.Show();

                displayToolStripMenuItem.Checked = true;  // TODO: Re-size checked icon
            }

            lvf.UncheckToolStripMenuItem += UncheckToolStripMenuItemHandle;

            ClearMeAndListView += lvf.ClearMeAndListViewHandler;

            lvf.ClearMeAndTextBox += ClearMeAndTextBoxHandler;

            lvf.DisplayInputFormExistSecond += DisplayInputFormExistHandler;
        }
        public void buttonNewInputWindow_Click(object sender, EventArgs e)
        {
            userInputWindow = new UserInputWindow();
            lvf             = new ListViewForm();

            userInputWindow.ObjectAdded += ObjectAddedHandler;

            userInputWindow.DisplayObjectsStored += DisplayObjectsStoredHandler;

            userInputWindow.DisplayInputFormExist += DisplayInputFormExistHandler;

            userInputWindow.Show();
        }
        public void UncheckToolStripMenuItemHandle(object sender, EventArgs e)
        {
            lvf = new ListViewForm();

            bool           open = true;
            FormCollection fc   = Application.OpenForms;

            foreach (Form frm in fc)
            {
                if (frm.Name == "ListViewForm")
                {
                    open = false;
                    frm.Select();
                    break;
                }
            }
            if (open == true)
            {
                lvf.Close();

                displayToolStripMenuItem.Checked = false;
            }
        }
        public void ClearMeAndTextBoxHandler(object sender, EventArgs e)
        {
            lvf = sender as ListViewForm;

            textBoxObjetsStoredInListView.Text = "0";
        }