From 4562131078eef9f4cc3d2ae8e9a7a98debd8f854 Mon Sep 17 00:00:00 2001
From: Frank Skare <frank.skare.de@gmail.com>
Date: Fri, 20 Sep 2019 04:45:24 +0200
Subject: [PATCH] support added for --list-properties

---
 Changelog.md      |  2 ++
 mpv.net/mpv/mp.cs | 23 ++++++++++++++++++++---
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/Changelog.md b/Changelog.md
index 09452c8..33fa2a8 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,5 @@
+TODO: fix volume/mute being initialized muted
+
 ###
 
 - the [scripting wiki page](https://github.com/stax76/mpv.net/wiki/Scripting#powershell) was improved
diff --git a/mpv.net/mpv/mp.cs b/mpv.net/mpv/mp.cs
index 26271c2..2ff5857 100644
--- a/mpv.net/mpv/mp.cs
+++ b/mpv.net/mpv/mp.cs
@@ -606,9 +606,12 @@ namespace mpvnet
                         }
                         else if (!preInit && !preInitProperties.Contains(left))
                         {
-                            mp.ProcessProperty(left, right);
-                            if (!App.ProcessProperty(left, right))
-                                set_property_string(left, right, true);
+                            if (!PrintCommandLineArgument(arg))
+                            {
+                                mp.ProcessProperty(left, right);
+                                if (!App.ProcessProperty(left, right))
+                                    set_property_string(left, right, true);
+                            }
                         }
                     }
                     catch (Exception e)
@@ -642,6 +645,20 @@ namespace mpvnet
             }
         }
 
+        static bool PrintCommandLineArgument(string argument)
+        {
+            switch (argument)
+            {
+                case "--list-properties=yes":
+                    var list = get_property_string("property-list").Split(',').ToList();
+                    list.Sort();
+                    Console.WriteLine(string.Join("\r\n", list.ToArray()));
+                    return true;
+            }
+
+            return false;
+        }
+
         public static DateTime LastLoad;
 
         public static void Load(string[] files, bool loadFolder, bool append)