Now .NET 4.6.1 and C# 6

Author: JohnWintellect

FF/ArgParser.cs

@@ -119,7 +119,7 @@ protected ArgParser(String[] flagSymbols,
 #endif
             if ((null == flagSymbols) || (0 == flagSymbols.Length))
             {
-                throw new ArgumentException(Constants.ArrayMustBeValid, "flagSymbols");
+                throw new ArgumentException(Constants.ArrayMustBeValid, nameof(flagSymbols));
             }
 
             Debug.Assert(null != switchChars, "null != switchChars");
@@ -133,7 +133,7 @@ protected ArgParser(String[] flagSymbols,
 #endif
             if ((null == switchChars) || (0 == switchChars.Length))
             {
-                throw new ArgumentException(Constants.ArrayMustBeValid, "switchChars");
+                throw new ArgumentException(Constants.ArrayMustBeValid, nameof(switchChars));
             }
 
             this.flagSymbols = flagSymbols;
@@ -331,10 +331,7 @@ public Boolean Parse(String[] args)
         /// Every derived class must implement an OnSwitch method or a switch 
         /// is considered an error.
         /// </remarks>
-        protected virtual SwitchStatus OnSwitch(String switchSymbol, String switchValue)
-        {
-            return SwitchStatus.Error;
-        }
+        protected virtual SwitchStatus OnSwitch(String switchSymbol, String switchValue) => SwitchStatus.Error;
 
         /// <summary>
         /// Called when a non-switch value is parsed out.
@@ -345,10 +342,7 @@ protected virtual SwitchStatus OnSwitch(String switchSymbol, String switchValue)
         /// <returns>
         /// One of the <see cref="SwitchStatus"/> values.
         /// </returns>
-        protected virtual SwitchStatus OnNonSwitch(String value)
-        {
-            return SwitchStatus.Error;
-        }
+        protected virtual SwitchStatus OnNonSwitch(String value) => SwitchStatus.Error;
 
         /// <summary>
         /// Called when parsing is finished so final sanity checking can be 
@@ -357,11 +351,8 @@ protected virtual SwitchStatus OnNonSwitch(String value)
         /// <returns>
         /// One of the <see cref="SwitchStatus"/> values.
         /// </returns>
-        protected virtual SwitchStatus OnDoneParse()
-        {
-            // By default, we'll assume that all parsing was an error.
-            return SwitchStatus.Error;
-        }
+        // By default, we'll assume that all parsing was an error.
+        protected virtual SwitchStatus OnDoneParse() => SwitchStatus.Error;
 
         /// <summary>
         /// Looks to see if the switch is in the array.

FF/Constants.Designer.cs

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,8 +9,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>FastFind</RootNamespace>
     <AssemblyName>FF</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -57,6 +58,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
+    <None Include="app.config" />
     <None Include="FF.ruleset">
       <SubType>Designer</SubType>
     </None>

FF/FF.csproj

@@ -1,6 +1,8 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2012
+# Visual Studio 14
+VisualStudioVersion = 14.0.23107.0
+MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FF", "FF.csproj", "{0E90979C-C1C1-425B-86D1-B0BB9078EAAF}"
 EndProject
 Global

FF/FF.sln

@@ -123,7 +123,7 @@ public FastFindArgumentParser()
         /// <summary>
         /// Gets the patterns to search for.
         /// </summary>
-        public List<Regex> Patterns { get; private set; }
+        public List<Regex> Patterns { get; }
 
         /// <summary>
         /// Reports correct command line usage.