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How to Effectively Hide a Console Window When Launching a Process in C#?

Barbara Streisand
Release: 2025-01-06 13:27:40
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How to Effectively Hide a Console Window When Launching a Process in C#?

Hiding Console Window from Process.Start in C#

When launching a process via System.Diagnostics.Process class, users may encounter persistent console windows despite setting properties such as CreateNoWindow and WindowStyle.

In such cases, a potential solution lies in ensuring that UseShellExecute is set to false. As documented on MSDN:

If the UseShellExecute property is true or the UserName and Password properties are not null, the CreateNoWindow property value is ignored and a new window is created.

Therefore, the following code should effectively hide the console window:

ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = fullPath;
startInfo.Arguments = args;
startInfo.RedirectStandardOutput = true;
startInfo.RedirectStandardError = true;
startInfo.UseShellExecute = false;
startInfo.CreateNoWindow = true;

Process processTemp = new Process();
processTemp.StartInfo = startInfo;
processTemp.EnableRaisingEvents = true;
try
{
    processTemp.Start();
}
catch (Exception e)
{
    throw;
}
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