BrightIdeasSoftware.ObjectListView.MakeColumnSelectMenu C# (CSharp) Method

        public virtual ToolStripDropDown MakeColumnSelectMenu(ToolStripDropDown strip)
        {
            System.Diagnostics.Debug.Assert(this.SelectColumnsOnRightClickBehaviour != ColumnSelectBehaviour.None);

            // Append a separator if the menu isn't empty and the last item isn't already a separator
            if (strip.Items.Count > 0 && (!(strip.Items[strip.Items.Count-1] is ToolStripSeparator)))
                strip.Items.Add(new ToolStripSeparator());

            if (this.AllColumns.Count > 0 && this.AllColumns[0].LastDisplayIndex == -1)
                this.RememberDisplayIndicies();

            if (this.SelectColumnsOnRightClickBehaviour == ColumnSelectBehaviour.ModelDialog) {
                strip.Items.Add(this.MenuLabelSelectColumns, null, delegate(object sender, EventArgs args) {
                    (new ColumnSelectionForm()).OpenOn(this);
                });
            }

            if (this.SelectColumnsOnRightClickBehaviour == ColumnSelectBehaviour.Submenu) {
                ToolStripMenuItem menu = new ToolStripMenuItem(this.MenuLabelColumns);
                menu.DropDownItemClicked += new ToolStripItemClickedEventHandler(this.ColumnSelectMenuItemClicked);
                strip.Items.Add(menu);
                this.AddItemsToColumnSelectMenu(menu.DropDownItems);
            }

            if (this.SelectColumnsOnRightClickBehaviour == ColumnSelectBehaviour.InlineMenu) {
                strip.ItemClicked += new ToolStripItemClickedEventHandler(this.ColumnSelectMenuItemClicked);
                strip.Closing += new ToolStripDropDownClosingEventHandler(this.ColumnSelectMenuClosing);
                this.AddItemsToColumnSelectMenu(strip.Items);
            }

            return strip;
        }