How Can I Execute Command Prompt Commands Silently from a C# Application?

Running Command Prompt Commands Quietly in C# Applications

Integrating command-line functionality into your C# applications opens up a world of possibilities, particularly for automating tasks requiring command prompt interaction. A common example is embedding RAR archives within JPG images.

Here's how to execute command prompt commands from C#, ensuring the process runs silently:

This improved method uses ProcessStartInfo to control the command prompt window's visibility:

System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden; // Crucial for silent execution
startInfo.FileName = "cmd.exe";
startInfo.Arguments = "/C copy /b Image1.jpg + Archive.rar Image2.jpg";
process.StartInfo = startInfo;
process.Start();

The /C argument in the command string is essential. It instructs cmd.exe to execute the command and then close the window immediately, preventing the user from seeing the process. Without /C, the command prompt window would remain open. This method provides a cleaner and more efficient way to run command-line tasks silently within your C# application.

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