Add MSVC C# support

Author: tschoonj

.vscode/c_cpp_properties.json

@@ -0,0 +1,22 @@
+{
+    "configurations": [
+        {
+            "name": "Win32",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ],
+            "windowsSdkVersion": "10.0.18362.0",
+            "compilerPath": "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Enterprise\\VC\\Tools\\MSVC\\14.16.27023\\bin\\Hostx64\\x64\\cl.exe",
+            "cStandard": "c89",
+            "cppStandard": "c++11",
+            "intelliSenseMode": "windows-msvc-x64",
+            "compileCommands": "C:\\Users\\TomSc\\github\\xraylib\\meson-build\\compile_commands.json"
+        }
+    ],
+    "version": 4
+}

csharp/AssemblyInfo.cpp

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+#include "stdafx.h"
+
+using namespace System;
+using namespace System::Reflection;
+using namespace System::Runtime::CompilerServices;
+using namespace System::Runtime::InteropServices;
+using namespace System::Security::Permissions;
+
+//
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+//
+[assembly:AssemblyTitleAttribute("XrayLibNET")];
+[assembly:AssemblyDescriptionAttribute("")];
+[assembly:AssemblyConfigurationAttribute("")];
+[assembly:AssemblyCompanyAttribute("")];
+[assembly:AssemblyProductAttribute("XrayLibNET")];
+[assembly:AssemblyCopyrightAttribute("Copyright (c) 2010-2019 Matthew Wormington")];
+[assembly:AssemblyTrademarkAttribute("")];
+[assembly:AssemblyCultureAttribute("")];
+
+//
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the value or you can default the Revision and Build Numbers
+// by using the '*' as shown below:
+
+[assembly:AssemblyVersionAttribute("4.0.0.0")];
+
+[assembly:ComVisible(false)];
+
+[assembly:CLSCompliantAttribute(true)];
+

csharp/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Test")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Test")]
+[assembly: AssemblyCopyright("Copyright ©  2010")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("1d2d7b66-e084-42b5-a3fd-8165b0a670bb")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]