use arrows to flip through loaded images

Program.cs

@@ -128,7 +128,7 @@ public class Texture : IDisposable {
 
   public Texture(string path) {
     Image<Rgba32> image = Image.Load<Rgba32>(path);
-    Console.WriteLine($"{image.Width}x{image.Height}");
+    Console.WriteLine($"image loaded: {image.Width}x{image.Height}");
     //foreach (IExifValue exif in image.Metadata.ExifProfile.Values) {
     //  Console.WriteLine($"{exif.Tag} : {exif.GetValue()}");
     //}
@@ -205,6 +205,17 @@ public class Game : GameWindow {
     if (input.IsKeyDown(Keys.Escape)) {
       Close();
     }
+
+    if (input.IsKeyPressed(Keys.Down)) {
+      if (textureIndex < textures.Count - 1) {
+        textureIndex++;
+      }
+    }
+    if (input.IsKeyPressed(Keys.Up)) {
+      if (textureIndex > 0) {
+        textureIndex--;
+      }
+    }
   }
 
   protected override void OnLoad() {
@@ -292,7 +303,6 @@ static class Program {
       }
     }
     Console.WriteLine($"best monitor: {bestMonitor.HorizontalResolution}x{bestMonitor.VerticalResolution}");
-    Console.WriteLine($"{bestMonitor.ClientArea}, {bestMonitor.WorkArea}");
     GameWindowSettings gwSettings = new GameWindowSettings();
     gwSettings.RenderFrequency = 60.0;