using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DaSaSo.Wpf.ViewModel { public static class BitmapConversion { //BitmapSource } public class SewerPictureDocumentationViewModel : BaseViewModel { public ObservableCollection Tabs { get; set; } public SewerPictureDocumentationViewModel() { Tabs = new ObservableCollection(); Tabs.Add(new TabItem { Header = "One", Content = "One's content" }); Tabs.Add(new TabItem { Header = "Two", Content = "Two content" }); } } public sealed class TabItem { public string Header { get; set; } public string Content { get; set; } } }