private void treeView1_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent("System.Windows.Forms.TreeNode", false))
{
Point pt = ((TreeView)sender).PointToClient(new Point(e.X, e.Y));
TreeNode destinationNode = ((TreeView)sender).GetNodeAt(pt);
TreeNode newNode = (TreeNode)e.Data.GetData("System.Windows.Forms.TreeNode");
TreeNode sourceNode = newNode.Parent;
if (destinationNode != sourceNode && destinationNode != newNode)
{
newNode.Remove();
var item = newNode.Tag as PKBoxItem;
item.Remove();
var visitor = new PKItemAddVisitor(item);
(destinationNode.Tag as PKBoxItem).Accept(visitor);
if (visitor.Added)
{
destinationNode.Nodes.Add(newNode);
}
else
{
(sourceNode.Tag as PKBoxItem).Accept(visitor);
sourceNode.Nodes.Add(newNode);
}
treeView1.SelectedNode = newNode;
pkExtDesigner.DoLayout();
}
}
}
public void AddItem(PKBoxItem item)
{
if (this.SelectedItem != null)
{
var visitor = new PKItemAddVisitor(item);
this.SelectedItem.Accept(visitor);
if (visitor.Added)
{
this.appPage.DoLayout();
if (this.ItemAdded != null)
{
this.ItemAdded(item);
}
}
}
}
