aistudio-wpf-diagram/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/ZoomViewModel.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;

namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels
{
    class ZoomViewModel : BaseViewModel
    {
        public ZoomViewModel()
        {
            Title = "Zoom";
            Info = "Drag the upper-right scroll bar to make the canvas larger and smaller.";

            DiagramViewModel = new DiagramViewModel();
            DiagramViewModel.ColorViewModel = new ColorViewModel();
            DiagramViewModel.ColorViewModel.FillColor.Color = System.Windows.Media.Colors.Orange;
            DiagramViewModel.DefaultZoomBox = true;

            DefaultDesignerItemViewModel node1 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 50, Top = 50, Text = "1" };
            DiagramViewModel.DirectAddItemCommand.Execute(node1);

            DefaultDesignerItemViewModel node2 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 300, Top = 300, Text = "2" };
            DiagramViewModel.DirectAddItemCommand.Execute(node2);

            DefaultDesignerItemViewModel node3 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 300, Top = 50, Text = "3" };
            DiagramViewModel.DirectAddItemCommand.Execute(node3);

            ConnectionViewModel connector1 = new ConnectionViewModel(DiagramViewModel, node1.RightConnector, node2.LeftConnector, DrawMode.ConnectingLineSmooth, RouterMode.RouterNormal);
            DiagramViewModel.DirectAddItemCommand.Execute(connector1);

            ConnectionViewModel connector2 = new ConnectionViewModel(DiagramViewModel, node2.RightConnector, node3.RightConnector, DrawMode.ConnectingLineStraight, RouterMode.RouterOrthogonal);
            DiagramViewModel.DirectAddItemCommand.Execute(connector2);

            DiagramViewModel.ClearSelectedItemsCommand.Execute(null);
        }
    }
}