Initial commit

.gitignore

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+bin/
+obj/
+/packages/
+riderModule.iml
+/_ReSharper.Caches/
+.idea/
+
+*.wixobj
+*.wixpdb
+*.msi

AddToPath.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddToPath", "AddToPath\AddToPath.csproj", "{72C77FA0-8E74-44BD-93DA-898A0F1687E5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{72C77FA0-8E74-44BD-93DA-898A0F1687E5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{72C77FA0-8E74-44BD-93DA-898A0F1687E5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{72C77FA0-8E74-44BD-93DA-898A0F1687E5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{72C77FA0-8E74-44BD-93DA-898A0F1687E5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

AddToPath/AddToPath.cs

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+using System;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Windows.Forms;
+using SharpShell.Attributes;
+using SharpShell.SharpContextMenu;
+
+namespace AddToPath
+{
+    [ComVisible(true)]
+    [COMServerAssociation(AssociationType.Directory)]
+    public class AddToPath : SharpContextMenu
+    {
+        private string SelectedItemPath => SelectedItemPaths.First();
+        private string ItemRegexPattern =>  $"(?<=^|;){Regex.Escape(SelectedItemPath)}(?=$|;)";
+
+        protected override bool CanShowMenu()
+        {
+            return true;
+        }
+
+        protected override ContextMenuStrip CreateMenu()
+        {
+            var menu = new ContextMenuStrip();
+            var isInPath = IsInPath();
+
+            var itemCountLines = new ToolStripMenuItem()
+            {
+                Text = isInPath ? "Remove from PATH (User)" : "Add to PATH (User)",
+            };
+
+            itemCountLines.Click += (sender, args) =>
+            {
+                if (isInPath)
+                {
+                    RunInSeparateThread(RemoveSelectedItemFromPath);
+                }
+                else
+                {
+                    RunInSeparateThread(AddSelectedItemToPath);
+                }
+            };
+
+            menu.Items.Add(itemCountLines);
+
+            return menu;
+        }
+
+        private void RunInSeparateThread(ThreadStart start)
+        {
+            var worker = new Thread(start);
+            worker.SetApartmentState(ApartmentState.STA);
+            worker.Start();
+        }
+        private void AddSelectedItemToPath()
+        {
+            var oldPath = GetPath();
+            var newPath = $"{oldPath};{SelectedItemPath}";
+            SetPath(newPath);
+        }
+
+        private void RemoveSelectedItemFromPath()
+        {
+            var oldPath = GetPath();
+            var newPath = Regex.Replace(oldPath, ItemRegexPattern, "");
+            SetPath(newPath);
+        }
+
+        private bool IsInPath()
+        {
+            return Regex.Match(GetPath(), ItemRegexPattern).Success;
+        }
+
+        private static string GetPath()
+        {
+            return Environment.GetEnvironmentVariable("Path", EnvironmentVariableTarget.User);
+        }
+
+        private static void SetPath(string newPath)
+        {
+            Environment.SetEnvironmentVariable("Path", newPath, EnvironmentVariableTarget.User);
+        }
+    }
+}

AddToPath/AddToPath.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" 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=" '$(Configuration)' == '' ">Debug</Configuration>
+        <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+        <ProjectGuid>{72C77FA0-8E74-44BD-93DA-898A0F1687E5}</ProjectGuid>
+        <OutputType>Library</OutputType>
+        <AppDesignerFolder>Properties</AppDesignerFolder>
+        <RootNamespace>AddToPath</RootNamespace>
+        <AssemblyName>AddToPath</AssemblyName>
+        <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+        <FileAlignment>512</FileAlignment>
+        <SignAssembly>true</SignAssembly>
+        <AssemblyOriginatorKeyFile>addtopath.snk</AssemblyOriginatorKeyFile>
+    </PropertyGroup>
+    <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+        <PlatformTarget>AnyCPU</PlatformTarget>
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <Optimize>false</Optimize>
+        <OutputPath>bin\Debug\</OutputPath>
+        <DefineConstants>DEBUG;TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+        <WarningLevel>4</WarningLevel>
+    </PropertyGroup>
+    <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+        <PlatformTarget>AnyCPU</PlatformTarget>
+        <DebugType>pdbonly</DebugType>
+        <Optimize>true</Optimize>
+        <OutputPath>bin\Release\</OutputPath>
+        <DefineConstants>TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+        <WarningLevel>4</WarningLevel>
+    </PropertyGroup>
+    <ItemGroup>
+        <Reference Include="System" />
+        <Reference Include="System.Core" />
+        <Reference Include="System.Data" />
+        <Reference Include="System.Xml" />
+    </ItemGroup>
+    <ItemGroup>
+        <Compile Include="AddToPath.cs" />
+        <Compile Include="Properties\AssemblyInfo.cs" />
+    </ItemGroup>
+    <ItemGroup>
+      <PackageReference Include="SharpShell" Version="2.7.2" />
+    </ItemGroup>
+    <ItemGroup>
+      <None Include="addtopath.snk" />
+    </ItemGroup>
+    <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+    <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+         Other similar extension points exist, see Microsoft.Common.targets.
+    <Target Name="BeforeBuild">
+    </Target>
+    <Target Name="AfterBuild">
+    </Target>
+    -->
+
+</Project>

AddToPath/Properties/AssemblyInfo.cs

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+using System.Reflection;
+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("AddToPath")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("AddToPath")]
+[assembly: AssemblyCopyright("Copyright © Urho Laukkarinen 2022")]
+[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("72C77FA0-8E74-44BD-93DA-898A0F1687E5")]
+
+// 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")]

README.md

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+# AddToPath
+
+With this tool you can quickly add and remove directories from the PATH environment variable straight from the context menu.
+
+## Installation
+
+Download the latest installer from [Releases](https://github.com/urholaukkarinen/AddToPath/releases)
+
+---
+
+![Add to path](./addtopath.png)
+![Remove from path](./removefrompath.png)

installer.wxs

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+<?xml version='1.0' encoding='windows-1252'?>
+<Wix xmlns='http://schemas.microsoft.com/wix/2006/wi'>
+
+    <Product Name='AddToPath' Id='*'
+             UpgradeCode='358c7069-7def-49d6-9fd4-cf966dd15eb0' Language='1033' Version='0.1.0' Manufacturer='Me'>
+
+        <Package Id='*' Keywords='Installer' Description="Add directories to PATH via context menu"
+                 Manufacturer='Me' InstallerVersion='400' Languages='1033'
+                 Compressed='yes' SummaryCodepage='1252' InstallScope='perMachine'
+                 Platform='x64'/>
+
+        <Media Id='1' Cabinet='AddToPath.cab' EmbedCab='yes'/>
+
+        <Directory Id='TARGETDIR' Name='SourceDir'>
+            <Directory Id='ProgramFilesFolder' Name='PFiles'>
+                <Directory Id='INSTALLDIR' Name='AddToPath'>
+                    <Component Id='Libraries' Guid='950328cd-3c67-446f-a259-53fd8e1d5b51'>
+                        <File Id='AddToPath.dll' Name='AddToPath.dll'
+                              Source='AddToPath\bin\Release\AddToPath.dll'
+                              DiskId='1' />
+                        <File Id='SharpShell.dll' Name='SharpShell.dll'
+                              Source='AddToPath\bin\Release\SharpShell.dll'
+                              DiskId='1' />
+                        <File Id="SrmExe" Source="extras\srm.exe"/>
+                    </Component>
+                </Directory>
+            </Directory>
+        </Directory>
+
+        <CustomAction Id="InstallShell" FileKey="SrmExe"
+                      ExeCommand='install "[INSTALLDIR]\AddToPath.dll" -codebase'
+                      Execute="deferred" Return="check" Impersonate="no" />
+        <CustomAction Id="UninstallShell" FileKey="SrmExe"
+                      ExeCommand='uninstall "[INSTALLDIR]\AddToPath.dll"'
+                      Execute="deferred" Return="check" Impersonate="no" />
+
+        <InstallExecuteSequence>
+            <Custom Action="InstallShell"
+                    After="InstallFiles">NOT Installed
+            </Custom>
+            <Custom Action="UninstallShell"
+                    Before="RemoveFiles">(NOT UPGRADINGPRODUCTCODE) AND (REMOVE="ALL")
+            </Custom>
+        </InstallExecuteSequence>
+
+
+        <Feature Id='AddToPathFeature' Title='AddToPath' Description='AddToPath'
+                 Level='1' AllowAdvertise='no'>
+            <ComponentRef Id="Libraries" />
+        </Feature>
+
+        <Property Id="MSIUSEREALADMINDETECTION" Value="1" />
+        <Property Id="WIXUI_INSTALLDIR" Value="INSTALLDIR" />
+    </Product>
+</Wix>