public FrmNavisWorkAddProp()
        {
            InitializeComponent();

            viewControl                 = new ViewControl();
            documentControl             = new DocumentControl();
            viewControl.Dock            = DockStyle.Fill;
            viewControl.DocumentControl = this.documentControl;
            viewControl.Location        = new Point(0, 24);
            viewControl.Name            = "viewControl";
            viewControl.Size            = new Size(745, 496);
            viewControl.TabIndex        = 1;
            this.viewControl.Text       = "viewControl";
            viewControl.BringToFront();

            viewControl.BackColor = SysColor.Color.Red;
            viewControl.CreateControl();
            splitContainerMain.Panel2.Controls.Add(viewControl);
            /********************/
            documentControl.SetAsMainDocument();
            /********************/

            GrdNavisModelFile.AutoGenerateColumns = false;
            dtListOfFiles.Columns.AddRange(new[]
            {
                new DataColumn("cFileName", typeof(string)),
                new DataColumn("cFileLocation", typeof(string)),
                new DataColumn("cPropertyName", typeof(string)),
                new DataColumn("cPropertyValue", typeof(string)),
                new DataColumn("cPropertyValueCombo", typeof(string)),
            });
            GrdNavisModelFile.DataSource = dtListOfFiles;
            AddComboBoxValue();
        }