C# WorkspaceModel.RemoveNode方法代码示例

//.........这里部分代码省略.........

                #endregion

                #region Handle partially selected connectors

                // Step 3: Partially selected connectors (either one of its start 
                // and end owners is in the selection) are to be destroyed.

                var partiallySelectedConns =
                    currentWorkspace.Connectors.Where(
                        conn =>
                            selectedNodeSet.Contains(conn.Start.Owner)
                                || selectedNodeSet.Contains(conn.End.Owner)).ToList();

                foreach (var connector in partiallySelectedConns)
                {
                    undoRecorder.RecordDeletionForUndo(connector);
                    connector.Delete();
                }

                #endregion

                #region Transfer nodes and connectors to new workspace

                var newNodes = new List<NodeModel>();
                var newAnnotations = new List<AnnotationModel>();
            
                // Step 4: move all nodes to new workspace remove from old
                // PB: This could be more efficiently handled by a copy paste, but we
                // are preservering the node 
                foreach (var node in selectedNodeSet)
                {                   
                    undoRecorder.RecordDeletionForUndo(node);
                    currentWorkspace.RemoveNode(node);

                    // Assign a new guid to this node, otherwise when node is
                    // compiled to AST, literally it is still in global scope
                    // instead of in function scope.
                    node.GUID = Guid.NewGuid();

                    // shift nodes
                    node.X = node.X - leftShift;
                    node.Y = node.Y - topMost;
                 
                    newNodes.Add(node);
                }

                //Copy the group from newNodes
                foreach (var group in DynamoSelection.Instance.Selection.OfType<AnnotationModel>())
                {
                    undoRecorder.RecordDeletionForUndo(group);
                    currentWorkspace.RemoveGroup(group);

                    group.GUID = Guid.NewGuid();
                    group.SelectedModels = group.DeletedModelBases;
                    newAnnotations.Add(group);
                }
                
                // Now all selected nodes already moved to custom workspace,
                // clear the selection.
                DynamoSelection.Instance.ClearSelection();

                foreach (var conn in fullySelectedConns)
                {
                    ConnectorModel.Make(conn.Start.Owner, conn.End.Owner, conn.Start.Index, conn.End.Index);
                }