using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels { class LockedViewModel : BaseViewModel { public LockedViewModel() { Title = "Locked models"; Info = "All the nodes and links in this example are locked, they cannot be moved nor deleted." + //"All the TOP ports are locked as well, so you can't create links from/to them, but you can from/to the others." + "Newly created links aren't locked, so they can be deleted."; DiagramViewModel = new DiagramViewModel(); DiagramViewModel.CellHorizontalAlignment = CellHorizontalAlignment.Center; DiagramViewModel.CellVerticalAlignment = CellVerticalAlignment.Center; DiagramViewModel.PageSizeType = PageSizeType.Custom; DiagramViewModel.PageSize = new Size(double.NaN, double.NaN); DiagramViewModel.ColorViewModel = new ColorViewModel(); DiagramViewModel.ColorViewModel.FillColor.Color = System.Windows.Media.Colors.Orange; DefaultDesignerItemViewModel node1 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 50, Top = 50, Text = "1" }; //node1.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以 node1.IsReadOnly = true; DiagramViewModel.DirectAddItemCommand.Execute(node1); DefaultDesignerItemViewModel node2 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 300, Top = 300, Text = "2" }; //node2.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以 node2.IsReadOnly = true; DiagramViewModel.DirectAddItemCommand.Execute(node2); DefaultDesignerItemViewModel node3 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 300, Top = 50, Text = "3" }; //node3.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以 node3.IsReadOnly = true; DiagramViewModel.DirectAddItemCommand.Execute(node3); ConnectionViewModel connector1 = new ConnectionViewModel(DiagramViewModel, node1.RightConnector, node2.LeftConnector, DrawMode.ConnectingLineSmooth, RouterMode.RouterNormal); //connector1.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以 connector1.IsReadOnly = true; DiagramViewModel.DirectAddItemCommand.Execute(connector1); ConnectionViewModel connector2 = new ConnectionViewModel(DiagramViewModel, node2.RightConnector, node3.RightConnector, DrawMode.ConnectingLineStraight, RouterMode.RouterOrthogonal); // connector2.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以 connector2.IsReadOnly = true; DiagramViewModel.DirectAddItemCommand.Execute(connector2); DiagramViewModel.ClearSelectedItemsCommand.Execute(null); } } }