I used following code to get windows title but for application name p1 returns devenv instead of Visual Studio If anyone knows how to resolve this issue, please let know var wnd = GetForegroundWindow(); uint procId; GetWindowThreadProcessId(wnd, out procId); var p = Process.GetProcessById((int)procId).MainWindowTitle.ToString(); var p1 = Process.GetProcessById((int)procId).ProcessName.ToString(); string shortDateString = DateTime.Now.ToShortDateString(); List<string> app = new List<string>(); app.Add(p);

How can I get Application name? in c#

Accepted answer

Castorix31 81,831

For example :

var p = Process.GetProcessById((int)procId).MainModule.FileName;
FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(p);
string sDescription = fvi.FileDescription;

BenTam 1,581 Reputation points

2024-02-19T03:34:30.6166667+00:00

Hi @Castorix31

I copied your code and pasted it into my program. I found that "procID" was red-lined. Need me to add "using xxxxxx" fix it?
Castorix31 81,831 Reputation points

2024-02-20T10:02:06.38+00:00
You forgot the lines with procId from the OP :

var wnd = GetForegroundWindow(); uint procId; GetWindowThreadProcessId(wnd, out procId);
BenTam 1,581 Reputation points

2024-02-21T08:57:22.38+00:00

Hi, @Castorix31 After copying your code into my program, I encountered some errors. Can you help me troubleshoot by providing more details on the errors? Also, do I need to add any "using" statements?

Castorix31 81,831

Those are Win32 APIs that you must declare in the class :

        [DllImport("User32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
        public static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);

        [DllImport("User32.dll", SetLastError = true)]
        private static extern IntPtr GetForegroundWindow();

BenTam 1,581

Hi @Castorix31

I copied your code and put it into my program. However, I found some errors as follows. Therefore, I know there are 2 ways to solve the problem.

Remove the "extern local functions"
Upgrade my C# program to version 9 or above (I believe my VS can run C# 10 since I have downloaded and installed "VS Code.sdk").

I have 2 questions:

Changing the ".cproj" file can upgrade my program to C# version 10.
How to make my program default to C# version 10 when I choose "Create a new project".

Errors: Errors

My .cproj file

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" 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>{EACFD467-C78B-4B56-87DD-736787EAFBAA}</ProjectGuid>
    <OutputType>WinExe</OutputType>
    <RootNamespace>GetExePath</RootNamespace>
    <AssemblyName>GetExePath</AssemblyName>
    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
    <FileAlignment>512</FileAlignment>
    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
    <Deterministic>true</Deterministic>
  </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.Xml.Linq" />
    <Reference Include="System.Data.DataSetExtensions" />
    <Reference Include="Microsoft.CSharp" />
    <Reference Include="System.Data" />
    <Reference Include="System.Deployment" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Net.Http" />
    <Reference Include="System.Windows.Forms" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Form1.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="Form1.Designer.cs">
      <DependentUpon>Form1.cs</DependentUpon>
    </Compile>
    <Compile Include="Program.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
    <EmbeddedResource Include="Properties\Resources.resx">
      <Generator>ResXFileCodeGenerator</Generator>
      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
      <SubType>Designer</SubType>
    </EmbeddedResource>
    <Compile Include="Properties\Resources.Designer.cs">
      <AutoGen>True</AutoGen>
      <DependentUpon>Resources.resx</DependentUpon>
    </Compile>
    <None Include="Properties\Settings.settings">
      <Generator>SettingsSingleFileGenerator</Generator>
      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
    </None>
    <Compile Include="Properties\Settings.Designer.cs">
      <AutoGen>True</AutoGen>
      <DependentUpon>Settings.settings</DependentUpon>
      <DesignTimeSharedInput>True</DesignTimeSharedInput>
    </Compile>
  </ItemGroup>
  <ItemGroup>
    <None Include="App.config" />
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
</Project>

Castorix31 81,831 Reputation points

2024-02-23T11:17:01.74+00:00

As I said, declarations (DllImport) must be in a class

Inside public partial class Form1 : Form

or for console programs, see threads like https://www.daniweb.com/programming/software-development/threads/348314/dllimport-works-in-console-mode#post1478922
BenTam 1,581 Reputation points

2024-02-23T14:19:52.36+00:00

Hi @Castorix31 I followed your instructions and put all statements into the "Form1" code. However, errors still do not go away. Any more tips?
Castorix31 81,831 Reputation points

2024-02-23T18:47:10.2866667+00:00

You have put the code (var wnd=...) after the declarations... instead of putting it inside Form1 constructor (after InitializeComponent()) or in a button click event to test
BenTam 1,581 Reputation points

2024-02-24T04:18:30.63+00:00

Hi, @Castorix31

After moving the error statements below InitializeComponent(), the errors were resolved. However, where is the application name stored?

By the way, is there any setting that will force me to use C#10?

How can I get Application name? in c#

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