How Can I Get the Full Execution Path of a Running Process in C#?

Retrieving the Full Path of Running Processes in C#

When managing interacting processes and modifying their configurations, knowing the full execution path of each process is essential. This path is crucial for cleanly terminating and restarting a process to apply changes. Simply killing a process without this information makes it difficult to locate and restart it later.

A Simple Solution Using System.Diagnostics

Fortunately, obtaining the full path is straightforward using the System.Diagnostics namespace in C#. Here's how:

<code class="language-csharp">using System.Diagnostics;

var process = Process.GetCurrentProcess(); // Or your process retrieval method
string fullPath = process.MainModule.FileName;
// fullPath now contains the complete path to the executable.</code>

This code snippet directly retrieves the complete path to the executable, eliminating the need for manual path specification. This allows for seamless process termination and relaunching with updated settings.

Addressing 32-bit/64-bit Compatibility

One important consideration is compatibility between the retrieving code and the target process. A 32-bit application attempting to access the path of a 64-bit process may fail. To avoid this, compile and run your C# application as a 64-bit application (Project Properties → Build → Platform Target → x64).

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