[VECTOStart] Added VECTO Project for starting VECTO GUI in the newest .net version

VECTO.sln

@@ -68,6 +68,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VectoAPI", "..\VECTO-API\Ve
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VectoAPI Test", "..\VECTO-API\VectoAPI Test\VectoAPI Test.csproj", "{D959CB7C-F514-4F5E-9C33-684D0012474B}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "VECTOStart", "VECTOStart\VECTOStart.csproj", "{A151C75E-471A-42EB-8FE2-296C8D9FB8F9}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -220,6 +222,12 @@ Global
 		{D959CB7C-F514-4F5E-9C33-684D0012474B}.Deploy|Any CPU.Build.0 = Debug|Any CPU
 		{D959CB7C-F514-4F5E-9C33-684D0012474B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D959CB7C-F514-4F5E-9C33-684D0012474B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A151C75E-471A-42EB-8FE2-296C8D9FB8F9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A151C75E-471A-42EB-8FE2-296C8D9FB8F9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A151C75E-471A-42EB-8FE2-296C8D9FB8F9}.Deploy|Any CPU.ActiveCfg = Debug|Any CPU
+		{A151C75E-471A-42EB-8FE2-296C8D9FB8F9}.Deploy|Any CPU.Build.0 = Debug|Any CPU
+		{A151C75E-471A-42EB-8FE2-296C8D9FB8F9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A151C75E-471A-42EB-8FE2-296C8D9FB8F9}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

VECTOStart/Program.cs

+using System;
+using Microsoft.Win32;
+using System.Diagnostics;
+
+namespace TUGraz.VECTO
+{
+	class Program
+	{
+		static void Main()
+		{
+			var version = GetHighestNETVersion();
+			try {
+				Process.Start(new ProcessStartInfo($"{version}\\VECTO.exe") { CreateNoWindow = true });
+			} catch (Exception e) {
+				Console.WriteLine($"Could not start VECTO with {version}: {e.Message}");
+				Console.ReadKey();
+			}
+		}
+
+		private static string GetHighestNETVersion()
+		{
+			if (SupportsNet50()) {
+				return "net5.0";
+			} 
+			
+			if (SupportsNET48()) {
+				return "net48";
+			}
+
+			return "net45";
+		}
+
+		private static bool SupportsNet50()
+		{
+			var p = Process.Start(new ProcessStartInfo("dotnet", "--list-runtimes") {
+				CreateNoWindow = true,
+				UseShellExecute = false,
+				RedirectStandardError = true,
+				RedirectStandardOutput = true
+			}
+			);
+
+			p.WaitForExit();
+			var output = p.StandardOutput.ReadToEnd();
+			return output.Contains("Microsoft.WindowsDesktop.App 5.0");
+		}
+
+		private static bool SupportsNET48()
+		{
+			const string subkey = @"SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\";
+			using (var ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey)) {
+				if (ndpKey != null && ndpKey.GetValue("Release") != null) {
+					var releaseKey = (int)ndpKey.GetValue("Release");
+					return releaseKey >= 528040;
+				}
+
+				return false;
+			}
+		}
+	}
+}

VECTOStart/VECTOStart.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFrameworks />
+    <TargetFramework>net45</TargetFramework>
+    <AssemblyName>VECTO</AssemblyName>
+    <ApplicationIcon>Icon2.ico</ApplicationIcon>
+    <PackageIconUrl />
+    <RootNamespace>TUGraz.VECTO</RootNamespace>
+    <AutoGenerateBindingRedirects>false</AutoGenerateBindingRedirects>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <DefineConstants />
+    <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="..\VECTO\Resources\Icon.png">
+      <Pack>True</Pack>
+      <PackagePath></PackagePath>
+    </None>
+  </ItemGroup>
+
+</Project>