diff --git a/csharp.sln b/csharp.sln
new file mode 100644
index 0000000..95489b1
--- /dev/null
+++ b/csharp.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.002.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "csharp", "csharp.csproj", "{912903B0-B6A9-4584-AE22-28FA74D26277}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{912903B0-B6A9-4584-AE22-28FA74D26277}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{912903B0-B6A9-4584-AE22-28FA74D26277}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{912903B0-B6A9-4584-AE22-28FA74D26277}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{912903B0-B6A9-4584-AE22-28FA74D26277}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {63D04F95-E49F-4372-829D-BE78A10D7FC9}
+	EndGlobalSection
+EndGlobal