protected override void DragDropMove(object sourceItem, object destinationItem, IList itemList)
{
TCollection SourceCollection = (TCollection)((TItem)sourceItem).Children;
TCollection DestinationCollection = (TCollection)((TItem)destinationItem).Children;
if (itemList != null)
{
foreach (TItem ChildItem in itemList)
{
SourceCollection.Remove(ChildItem);
}
foreach (TItem ChildItem in itemList)
{
ChildItem.ChangeParent((TItem)destinationItem);
DestinationCollection.Add(ChildItem);
}
}
DestinationCollection.Sort();
}
/// <summary>
/// Moves items from source to destination.
/// </summary>
/// <param name="sourceItem">The source item.</param>
/// <param name="destinationItem">The destination item.</param>
/// <param name="itemList">Moved children.</param>
protected override void DragDropMove(object sourceItem, object destinationItem, IList itemList)
{
TItem SourceItem = (TItem)sourceItem;
TItem DestinationItem = (TItem)destinationItem;
TCollection SourceCollection = (TCollection)SourceItem.Children;
TCollection DestinationCollection = (TCollection)DestinationItem.Children;
#if NETCOREAPP3_1
foreach (TItem?ChildItem in itemList)
{
if (ChildItem != null)
{
SourceCollection.Remove(ChildItem);
}
}
foreach (TItem?ChildItem in itemList)
{
if (ChildItem != null)
{
ChildItem.ChangeParent((TItem)destinationItem);
DestinationCollection.Add(ChildItem);
}
}
#else
foreach (TItem ChildItem in itemList)
{
SourceCollection.Remove(ChildItem);
}
foreach (TItem ChildItem in itemList)
{
ChildItem.ChangeParent((TItem)destinationItem);
DestinationCollection.Add(ChildItem);
}
#endif
DestinationCollection.Sort();
}