Beispiel #1
0
        private void timer_0_Tick(object sender, EventArgs e)
        {
            Point    pt     = this.treeView_0.PointToClient(Control.MousePosition);
            TreeNode nodeAt = this.treeView_0.GetNodeAt(pt);

            if (nodeAt != null)
            {
                if (pt.Y < 30)
                {
                    if (nodeAt.PrevVisibleNode != null)
                    {
                        nodeAt = nodeAt.PrevVisibleNode;
                        Class27.ImageList_DragShowNolock(false);
                        nodeAt.EnsureVisible();
                        this.treeView_0.Refresh();
                        Class27.ImageList_DragShowNolock(true);
                    }
                }
                else if ((pt.Y > (this.treeView_0.Size.Height - 30)) && (nodeAt.NextVisibleNode != null))
                {
                    nodeAt = nodeAt.NextVisibleNode;
                    Class27.ImageList_DragShowNolock(false);
                    nodeAt.EnsureVisible();
                    this.treeView_0.Refresh();
                    Class27.ImageList_DragShowNolock(true);
                }
            }
        }
Beispiel #2
0
        private void treeView_0_DragOver(object sender, DragEventArgs e)
        {
            Point point = this.treeView_0.PointToClient(new Point(e.X, e.Y));

            Class27.ImageList_DragMove(point.X - this.treeView_0.Left, point.Y - this.treeView_0.Top);
            TreeNode nodeAt = this.treeView_0.GetNodeAt(this.treeView_0.PointToClient(new Point(e.X, e.Y)));

            if (nodeAt == null)
            {
                e.Effect = DragDropEffects.None;
            }
            else
            {
                e.Effect = DragDropEffects.Move;
                if (this.treeNode_1 != nodeAt)
                {
                    Class27.ImageList_DragShowNolock(false);
                    this.treeView_0.SelectedNode = nodeAt;
                    Class27.ImageList_DragShowNolock(true);
                    this.treeNode_1 = nodeAt;
                }
                for (TreeNode node2 = nodeAt; node2.Parent != null; node2 = node2.Parent)
                {
                    if (node2.Parent == this.treeNode_0)
                    {
                        e.Effect = DragDropEffects.None;
                    }
                }
            }
        }