/// <summary>
        ///
        /// </summary>
        private ToolStripMenuItem AutoSizeColumn(int columnIndex)
        {
            var menuItem = new ToolStripMenuItem
            {
                Text = CultureService.GetString(CultureText.menuItem_AutoSizeColumn_Text),
            };

            var lastColumns = _dataGridView.Columns.GetLastColumn(DataGridViewElementStates.Visible, DataGridViewElementStates.None);

            if (lastColumns != null)
            { /*Az utolsó oszlopra nem nyomhat autó size-t, mert akkor elvesziti az utolsó oszolp a Fill-t...*/
                if (lastColumns.Index != columnIndex)
                {
                    menuItem.Enabled = true;
                }
                else
                {
                    menuItem.Enabled = false;
                }
            }

            menuItem.Click += (o, e) =>
            {
                _dataGridView.AutoResizeColumn(columnIndex);
            };

            return(menuItem);
        }