protected override void OnDragDrop(DragEventArgs e)
{
base.OnDragDrop(e);
Point clientcoordinate = PointToClient(new Point(e.X, e.Y));
ExtTreeNode node = GetNodeAt(clientcoordinate) as ExtTreeNode;
if (node != null)
{
// when dragging very fast from one node to another, it's possible that
// OnDragDrop raises without OnDragOver for the node.
// So we have to call HandleDragOver to ensure that we don't call DoDragDrop for
// invalid operations.
try {
HandleDragOver(e, node);
if (e.Effect != DragDropEffects.None)
{
node.DoDragDrop(e.Data, e.Effect);
SortParentNodes(node);
}
} catch (Exception ex) {
// WinForms silently discards exceptions in the drag'n'drop events; so we need to catch+report any errors
SD.MessageService.ShowException(ex);
}
}
}
protected override void OnDragDrop(DragEventArgs e)
{
base.OnDragDrop(e);
Point clientcoordinate = PointToClient(new Point(e.X, e.Y));
ExtTreeNode node = GetNodeAt(clientcoordinate) as ExtTreeNode;
if (node != null)
{
node.DoDragDrop(e.Data, e.Effect);
SortParentNodes(node);
}
}
protected override void OnDragDrop(DragEventArgs e)
{
base.OnDragDrop(e);
Point clientcoordinate = PointToClient(new Point(e.X, e.Y));
ExtTreeNode node = GetNodeAt(clientcoordinate) as ExtTreeNode;
if (node != null)
{
// when dragging very fast from one node to another, it's possible that
// OnDragDrop raises without OnDragOver for the node.
// So we have to call HandleDragOver to ensure that we don't call DoDragDrop for
// invalid operations.
HandleDragOver(e, node);
if (e.Effect != DragDropEffects.None)
{
node.DoDragDrop(e.Data, e.Effect);
SortParentNodes(node);
}
}
}
