private void tvTree_DragDrop(object sender, DragEventArgs e)
{
TreeNode sourceNode;
TreeNode destinationNode;
bool result;
// Get the tree.
TreeView tree = (TreeView)sender;
// Get the screen point.
Point pt = new Point(e.X, e.Y);
// Convert to a point in the TreeView's coordinate system.
pt = tree.PointToClient(pt);
// Get the node underneath the mouse.
destinationNode = tree.GetNodeAt(pt);
sourceNode = (TreeNode)e.Data.GetData(typeof(TreeNode));
result = templatesMenager.Copy(sourceNode, destinationNode);
if (result == true)
{
// Add a child node.
destinationNode.Nodes.Add((TreeNode)sourceNode.Clone());
// Show the newly added node if it is not already visible.
destinationNode.Expand();
tvTree.Nodes.Remove(sourceNode);
templatesMenager.LoadAll();
}
}