-

addons/TestAddon/TestAddon.cs

@@ -0,0 +1,27 @@
+using System.ComponentModel.Composition;
+
+using mpvnet;
+
+namespace TestAddon
+{
+    [Export(typeof(IAddon))]
+    public class TestAddon : IAddon
+    {
+        // do some init work in constructor
+        public TestAddon()
+        {
+            // Observe changes of the fullscreen property.
+            // You can find a list of available mpv properties
+            // in mpv.net's wiki on github or use mpv --list-properties.
+            // You can test properties in mpv.net in the menu at:
+            // Tools > Execute mpv command
+            // where you can enter: show-text ${fullscreen}
+            mp.observe_property_bool("fullscreen", OnFullscreenChange);
+        }
+
+        void OnFullscreenChange(bool val)
+        {
+            mp.commandv("show-text", "fullscreen: " + val.ToString());
+        }
+    }
+}