PictureHandlingProject/ImageHandlingUI/ViewModels/ShellViewModel.cs

using Caliburn.Micro;
using System;
using System.Collections.Generic;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace ImageHandlingUI.ViewModels
{
    public class ShellViewModel : Conductor<object>
    {
        public ShellViewModel()
        {
            //using (var ms = new MemoryStream())
            //{
            //    System.Drawing.Image.FromFile(@"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG").Save(ms, ImageFormat.Bmp);
            //    ms.Seek(0, SeekOrigin.Begin);

            //    var bitmapImage = new BitmapImage();
            //    bitmapImage.BeginInit();
            //    bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
            //    bitmapImage.StreamSource = ms;
            //    bitmapImage.EndInit();

            //    _selectedImage = bitmapImage;
            //}

            //_selectedImage = System.Drawing.Image.FromFile(@"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG");

            initialFileName = @"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG";
            _selectedImage = ConvertFromDrawImage(System.Drawing.Image.FromFile(InitialFileName));
        }
        ImageSource _selectedImage = null;
        private string initialFileName;

        public ImageSource SelectedImage
        {
            get { return _selectedImage; }
            set
            {
                _selectedImage = value;
                NotifyOfPropertyChange(() => SelectedImage);
            }
        }

        public string InitialFileName { get => initialFileName; set => initialFileName = value; }

        private static BitmapImage ConvertFromDrawImage(System.Drawing.Image _image)
        {
            using (var ms = new MemoryStream())
            {
                //System.Drawing.Image.FromFile(@"D:\CsharpDevelop\PictureHandlingProject\pictures\AgueroVillage.JPG").Save(ms, ImageFormat.Bmp);
                _image.Save(ms, ImageFormat.Bmp);
                ms.Seek(0, SeekOrigin.Begin);

                var bitmapImage = new BitmapImage();
                bitmapImage.BeginInit();
                bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
                bitmapImage.StreamSource = ms;
                bitmapImage.EndInit();

                return bitmapImage;
            }
        }
    }
}