3rdpartylibs/fastreports.wpf/Demos/WPF/CustomDesigner/MainWindow.xaml.cs

using FastReport;
using System.Windows;

namespace CustomDesigner
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            designer.Report = new Report();

            // in case you need more control over how to load the designer configuration, use this code
            /*designer.HandleWindowEvents = false;
            this.Loaded += (s, e) =>
            {
                designer.RestoreConfig();
                designer.StartAutoSave();
            };
            this.Closing += (s, e) => 
            {
                designer.ParentWindowClosing(e);
                if (!e.Cancel)
                {
                    designer.SaveConfig();
                    designer.StopAutoSave();
                }
            };*/

        }
    }
}