string result_pro = proc.StandardOutput.ReadToEnd(); this statement gives null string? Anyone know the reason why ?

Question

Process proc = new Process();
proc.StartInfo = procStartInfo;
proc.StartInfo.CreateNoWindow = true;
proc.EnableRaisingEvents = true;
proc.StartInfo.RedirectStandardOutput = true;

                proc.Start();

                string result_pro = proc.StandardOutput.ReadToEnd();
                proc.WaitForExit();

Answer 1

Hi @AnkiIt_wizard5 ,

The Process.StandardOutput Property gets a stream used to read the textual output of the application.

The issue might relate the procStartInfo, please check the executable file or document which used to start the process, make sure it has the textual output.

For example:

Create a Console application and have a textual output:

namespace Write500Lines  
{  
    public class Program  
    {  
        public static void Main(string[] args)  
        {  
            Console.WriteLine("Hello World!");  
        }  
    }  
}  

Then use Process to get the output, the result as below:

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Best Regards,
Dillion