Added sprite loading,

resolved image clearing

PDGServer_WPF/App.xaml.cs

@@ -188,7 +188,15 @@ namespace RBG_Server
                         source.CopyTo(ms);
                         _ = GameCommunicationHandler.ImageCollection.TryAdd(Path.GetFileNameWithoutExtension(path) + MIP_RAW + Path.GetExtension(path), new CachedByteArray(ms.ToArray()));
                     }
+                    // Destroy old board if we are replacing
+                    if (!string.IsNullOrEmpty(GameCommunicationHandler.BoardName))
+                    {
+                        GameCommunicationHandler.ImageCollection.Remove(GameCommunicationHandler.BoardName, out CachedByteArray val);
+                        val.Dispose();
                     }
+                    GameCommunicationHandler.BoardName = path;
+                }
+                GameCommunicationHandler.ImageList.Add(path);
             }
         }
 

PDGServer_WPF/ConnectionPage.xaml.cs

@@ -16,6 +16,8 @@ using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
+// Not using Shapes.Path so specify Path = System.IO
+using Path = System.IO.Path;
 
 namespace RBG_Server_WPF
 {
@@ -343,9 +345,36 @@ namespace RBG_Server_WPF
                 }
             }
         }
-
+        /// <summary>
+        /// Loads the selected sprites into the image list
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void GameSpritesBrowser_Click(object sender, RoutedEventArgs e)
+        {
+            CommunicationHandler host = App.Context.GameCommunicationHandler;
+            OpenFileDialog ofd = new();
+            ofd.Filter = "Image Files|*.png;*.jpg;*.gif";
+            ofd.Multiselect = true;
+            if (ofd.ShowDialog() == true)
+            {
+                string[] resultFiles = ofd.FileNames;
+                // Clear existing sprites
+                host.ClearSprites();
+                // Finally, load the sprites
+                foreach (string file in resultFiles)
+                {
+                    using FileStream fs = File.OpenRead(file);
+                    string fileName = Path.GetFileName(file);
+                    host.ImageList.Add(fileName);
+                    App.Context.LoadStream(fs, fileName, true);
+                }
+            }
+        }
 
 
         #endregion
+
+
     }
 }

RBG_Server.Core/CommunicationHandler.cs

@@ -87,6 +87,24 @@ namespace RBG_Server
                 });
             }
         }
+        /// <summary>
+        /// Clears all sprites, but not the board image, from the collection; disposing data as required
+        /// </summary>
+        public void ClearSprites()
+        {
+            // Remove all existing except the board image
+            foreach (string image in ImageList)
+            {
+                if (image != BoardName)
+                {
+                    ImageCollection.Remove(image, out CachedByteArray removed);
+                    removed.Dispose();
+                }
+            }
+            // Reset the image list
+            ImageList.Clear();
+            ImageList.Add(BoardName);
+        }
 
         private void AcceptConnections(TcpClient client)
         {