replace v6 with experimental v7 code

src/MpvNet.Extension/ExampleExtension/ExampleExtension.cs

@@ -0,0 +1,24 @@
+
+namespace MpvNet.Extension.ExampleExtension;
+
+public class Extension : IExtension
+{
+    public MpvClient Player { get; set; }
+
+    public Extension()
+    {
+        Player = Global.Player.CreateNewPlayer("example");
+        Player.ObservePropertyBool("fullscreen", FullscreenChange);
+        Player.FileLoaded += Player_FileLoaded;
+    }
+
+    void Player_FileLoaded()
+    {
+        Terminal.Write("File loaded: " + Player.GetPropertyString("path"));
+    }
+
+    void FullscreenChange(bool value)
+    {
+        Player.CommandV("show-text", "fullscreen: " + value);
+    }
+}

src/MpvNet.Extension/ExampleExtension/ExampleExtension.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFramework>net6.0</TargetFramework>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+		<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+		<OutputPath>C:\Users\frank\AppData\Roaming\mpv.net-experimental\extensions\ExampleExtension</OutputPath>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\..\MpvNet\MpvNet.csproj">
+			<Private>False</Private>
+		</ProjectReference>
+	</ItemGroup>
+
+</Project>

src/MpvNet.Extension/ExampleExtension/ExampleExtension.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.7.34018.315
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ExampleExtension", "ExampleExtension.csproj", "{4D6623A0-E890-44E5-956F-D5A5A24A6619}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4D6623A0-E890-44E5-956F-D5A5A24A6619}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4D6623A0-E890-44E5-956F-D5A5A24A6619}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4D6623A0-E890-44E5-956F-D5A5A24A6619}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4D6623A0-E890-44E5-956F-D5A5A24A6619}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {47E1F7E3-3833-4E05-841B-4683C1DEA133}
+	EndGlobalSection
+EndGlobal