support shortcuts with media file target

docs/Changelog.md

@@ -4,6 +4,7 @@
 - Creating a playlist from a folder uses absolute normalized paths, non media files are ignored.
 - The basic view of the show-info command was removed, the advanced view was enhanced with a General section and the filename.
 - Media info titles are shortened if they contain duplicated or obvious information.
+- Support of shortcuts (.lnk files) with media file target.
 - Fix OSC hide behavior on mouse move.
 - MediaInfo v22.06
 - libmpv shinchiro 2022-07-02

src/Misc/Player.cs

@@ -1202,8 +1202,11 @@ namespace mpvnet
 
                 string ext = file.Ext();
 
-                if (ext == "avs")
+                switch (ext)
-                    LoadAviSynth();
+                {
+                    case "avs": LoadAviSynth(); break;
+                    case "lnk": file = GetShortcutTarget(file); break;
+                }
 
                 if (ext == "iso")
                     LoadISO(file);
@@ -1461,6 +1464,13 @@ namespace mpvnet
             return name;
         }
 
+        public static string GetShortcutTarget(string path)
+        {
+            Type t = Type.GetTypeFromProgID("WScript.Shell");
+            dynamic sh = Activator.CreateInstance(t);
+            return sh.CreateShortcut(path).TargetPath;
+        }
+
         public void RaiseScaleWindow(float value) => ScaleWindow(value);
         
         public void RaiseWindowScaleNET(float value) => WindowScaleNET(value);

src/mpv.net.csproj

@@ -69,6 +69,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.VisualBasic" />
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />