Disable dumping button when Redumper selected with unsupported media type (#576)

* Disable dumping button when HDDVD + Redumper selected

* Exclude Bluray+Redumper as well

* Move program-supports-mediatype logic to helper function

* Fix for net48

* Fix for net48

* Undo fixes for net48

MPF.Core/UI/ViewModels/MainViewModel.cs

@@ -1583,6 +1583,35 @@ namespace MPF.Core.UI.ViewModels
             this.DriveSpeed = speed;
         }
 
+        /// <summary>
+        /// Returns False if a given InternalProgram does not support a given MediaType
+        /// </summary>
+        public bool ProgramSupportsMedia(InternalProgram program, MediaType? media)
+        {
+            switch (program)
+            {
+                case InternalProgram.Redumper:
+                    switch (media)
+                    {
+                        case MediaType.HDDVD:
+                            return false;
+                        case MediaType.BluRay:
+                            return false;
+                        default:
+                            return true;
+                    }
+                case InternalProgram.Aaru:
+                case InternalProgram.DiscImageCreator:
+                    switch (media)
+                    {
+                        default:
+                            return true;
+                    }
+                default:
+                    return true;
+            }
+        }
+
         /// <summary>
         /// Determine if the dumping button should be enabled
         /// </summary>
@@ -1591,7 +1620,8 @@ namespace MPF.Core.UI.ViewModels
             return Drives != null
                 && Drives.Count > 0
                 && this.CurrentSystem != null
-                && this.CurrentMediaType != null;
+                && this.CurrentMediaType != null
+                && ProgramSupportsMedia(this.CurrentProgram, this.CurrentMediaType);
         }
 
         /// <summary>