AdvancedPageDragAndDrop.PageDragTreeView.PageDragStart C# (CSharp) 메소드

        private void PageDragStart(Point pt)
        {
            if (DragPageNotify != null)
            {
                // Create a page that will be dragged
                _dragPage = new KryptonPage();
                _dragPage.Text = _dragNode.Text;
                _dragPage.TextTitle = _dragNode.Text + " Title";
                _dragPage.TextDescription = _dragNode.Text + " Description";
                _dragPage.ImageSmall = ImageList.Images[int.Parse((string)_dragNode.Tag)];
                _dragPage.Tag = _dragNode.Tag;

                // Create a rich text box with some sample text inside
                KryptonRichTextBox rtb = new KryptonRichTextBox();
                rtb.Text = "This page (" + _dragPage.Text + ") contains a rich text box control as example content.";
                rtb.Dock = DockStyle.Fill;
                rtb.StateCommon.Border.Draw = InheritBool.False;

                // Add rich text box as the contents of the page
                _dragPage.Padding = new Padding(5);
                _dragPage.Controls.Add(rtb);

                // Give the notify interface a chance to reject the attempt to drag
                PageDragCancelEventArgs de = new PageDragCancelEventArgs(PointToScreen(pt), Point.Empty, this, new KryptonPage[] { _dragPage });
                DragPageNotify.PageDragStart(this, null, de);

                if (de.Cancel)
                {
                    // No longer need the temporary drag page
                    _dragPage.Dispose();
                    _dragPage = null;
                }
                else
                {
                    _dragging = true;
                    Capture = true;
                }
            }
        }