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How to invoke a console program in C++ on Windows?
How to invoke a console program in .NET programming?
Update date: 2024-09-29 18:08:18
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In .NET programming, if you want to invoke a console program and output its parameters in real-time, you can achieve this by using the System.Diagnostics.Process
class and redirecting the standard output stream. Here's how you can do it:
Create a new instance of ProcessStartInfo
and set the FileName
property to the path of the console program you want to invoke.
If the console program requires any arguments, set the Arguments
property of ProcessStartInfo
to those arguments.
Set the UseShellExecute
property of ProcessStartInfo
to false
to ensure that you can redirect the output.
Set the RedirectStandardOutput
property of ProcessStartInfo
to true
to redirect the standard output stream of the console program.
Create a new instance of the Process
class and assign the ProcessStartInfo
object to its StartInfo
property.
Start the process by calling the Start
method of the Process
object.
To read the output of the console program in real-time, use a StreamReader
to read from the StandardOutput
stream of the Process
object.
In a loop, read each line of output from the StreamReader
using the ReadLine
method and write it to the console using Console.WriteLine
.
After reading all the output, wait for the console program to exit by calling the WaitForExit
method of the Process
object.
Here's a sample code snippet that demonstrates these steps:
using System; using System.Diagnostics; using System.IO; class Program { static void Main() { ProcessStartInfo startInfo = new ProcessStartInfo { FileName = "path_to_your_console_program.exe", Arguments = "your_arguments", UseShellExecute = false, RedirectStandardOutput = true }; using (Process process = new Process { StartInfo = startInfo }) { process.Start(); using (StreamReader reader = process.StandardOutput) { string line; while ((line = reader.ReadLine()) != null) { Console.WriteLine(line); } } process.WaitForExit(); } } }
In this code, replace "path_to_your_console_program.exe"
with the actual path to your console program and "your_arguments"
with the arguments you want to pass to the program. The code will start the console program, read its output in real-time, and write it to the console.
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