private void Block_EntityAdded(TableObject sender, BlockEntityChangeEventArgs e)
{
if (e.Item.Owner != null)
{
// the block and its entities must belong to the same document
if (!ReferenceEquals(e.Item.Owner.Record.Owner.Owner, this.Owner))
{
throw new ArgumentException("The block and the entity must belong to the same document. Clone it instead.");
}
// the entity cannot belong to another block
if (e.Item.Owner.Record.Layout == null)
{
throw new ArgumentException("The entity cannot belong to another block. Clone it instead.");
}
// we will exchange the owner of the entity
this.Owner.RemoveEntity(e.Item);
}
this.Owner.AddEntity(e.Item, true, string.IsNullOrEmpty(e.Item.Handle));
}
private void Block_EntityRemoved(TableObject sender, BlockEntityChangeEventArgs e)
{
this.Owner.RemoveEntityFromDocument(e.Item);
}
private void Block_EntityAdded(TableObject sender, BlockEntityChangeEventArgs e)
{
this.Owner.AddEntityToDocument(e.Item, (Block)sender, string.IsNullOrEmpty(e.Item.Handle));
}
private void Block_EntityRemoved(TableObject sender, BlockEntityChangeEventArgs e)
{
this.Owner.RemoveEntity(e.Item, true);
}
