private async Task DeleteDetailAsync(TreeNode selectedNode)
{
List <HierarchyId> removedRelations = null;
var selectedNodeTag = selectedNode.Tag as DetailInTreeView;
var parentNode = selectedNode.Parent;
if (parentNode != null)
{
var parentNodeTag = parentNode.Tag as DetailInTreeView;
removedRelations = await _detailService
.DeleteDetailWithDescendantsAsync(
selectedNodeTag.DetailId,
parentNodeTag.DetailId);
}
if (parentNode == null)
{
removedRelations = await _detailService
.DeleteDetailWithDescendantsAsync(
selectedNodeTag.DetailId,
null);
}
removedRelations.ForEach(removedHierarchyId =>
{
var nodeToRemove = treeView.Nodes
.Find(removedHierarchyId.ToString(), true)
.SingleOrDefault();
if (nodeToRemove != null)
{
treeView.Nodes.Remove(nodeToRemove);
}
});
ShowMessageDialog("Success deleted!");
}