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Invoking a Powershell script and Displaying its output in a Windows Form Application

Best practice to save application settings in a Windows Forms ApplicationSetting Windows PowerShell path variableTerminating a script in PowerShellHow to run a PowerShell scriptPowerShell says “execution of scripts is disabled on this system.”Formatting Output of Hosted PowerShellTrying to run a powershell script in C#powershell displaying output from an invoke-espressionPowershell v2 use textbox to continously output textConvert my Powershell script into an c# Windows Form

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

0

I've got a powershell script that outputs to the console every 5 seconds, like so:

While($true)

 Write-Output "test"
 Start-Sleep -seconds 5

I want to have a windows form application that will allow the user to enter the filepath of the script, hit a button, and then display any further output from this script in a window like so:

However, I am running into trouble actually getting this script to startup. Based on reading different threads, here's what I've got at the moment:

private void button1_Click(object sender, EventArgs e)
 
 string filepath = textBox1.Text;
 if (File.Exists(filepath))
 
 string s = "";
 var info = new ProcessStartInfo();
 Process process = new Process();

 info.UseShellExecute = false;
 info.RedirectStandardOutput = true;
 info.FileName = "powershell.exe";
 info.Arguments = filepath;

 process.StartInfo = info;

 process.Start();

 s += process.StandardOutput.ReadToEnd();
 process.WaitForExit();
 textBox1.AppendText(s);

 
 else
 
 textBox1.Text = "Error: Invalid file path.";
 
 

Now, this does open a powershell window, so I know that it at least starts the process, but I'm not seeing it actually run my script, and I know that the file exists at the path I'm entering. When I run powershell.exe filepath in a command prompt terminal, the script runs fine.

The end goal is to have all output written to the white textbox on the right-hand side of the Form Desktop Application above and continually append to that textbox as the script gives output.

c# powershell windows-forms-designer

share|improve this question

asked Mar 9 at 3:37

jprueejpruee

254

add a comment | 

0

I've got a powershell script that outputs to the console every 5 seconds, like so:

While($true)

 Write-Output "test"
 Start-Sleep -seconds 5

I want to have a windows form application that will allow the user to enter the filepath of the script, hit a button, and then display any further output from this script in a window like so:

However, I am running into trouble actually getting this script to startup. Based on reading different threads, here's what I've got at the moment:

private void button1_Click(object sender, EventArgs e)
 
 string filepath = textBox1.Text;
 if (File.Exists(filepath))
 
 string s = "";
 var info = new ProcessStartInfo();
 Process process = new Process();

 info.UseShellExecute = false;
 info.RedirectStandardOutput = true;
 info.FileName = "powershell.exe";
 info.Arguments = filepath;

 process.StartInfo = info;

 process.Start();

 s += process.StandardOutput.ReadToEnd();
 process.WaitForExit();
 textBox1.AppendText(s);

 
 else
 
 textBox1.Text = "Error: Invalid file path.";
 
 

Now, this does open a powershell window, so I know that it at least starts the process, but I'm not seeing it actually run my script, and I know that the file exists at the path I'm entering. When I run powershell.exe filepath in a command prompt terminal, the script runs fine.

The end goal is to have all output written to the white textbox on the right-hand side of the Form Desktop Application above and continually append to that textbox as the script gives output.

c# powershell windows-forms-designer

share|improve this question

asked Mar 9 at 3:37

jprueejpruee

254

add a comment | 

I've got a powershell script that outputs to the console every 5 seconds, like so:

While($true)

 Write-Output "test"
 Start-Sleep -seconds 5

I want to have a windows form application that will allow the user to enter the filepath of the script, hit a button, and then display any further output from this script in a window like so:

However, I am running into trouble actually getting this script to startup. Based on reading different threads, here's what I've got at the moment:

private void button1_Click(object sender, EventArgs e)
 
 string filepath = textBox1.Text;
 if (File.Exists(filepath))
 
 string s = "";
 var info = new ProcessStartInfo();
 Process process = new Process();

 info.UseShellExecute = false;
 info.RedirectStandardOutput = true;
 info.FileName = "powershell.exe";
 info.Arguments = filepath;

 process.StartInfo = info;

 process.Start();

 s += process.StandardOutput.ReadToEnd();
 process.WaitForExit();
 textBox1.AppendText(s);

 
 else
 
 textBox1.Text = "Error: Invalid file path.";
 
 

Now, this does open a powershell window, so I know that it at least starts the process, but I'm not seeing it actually run my script, and I know that the file exists at the path I'm entering. When I run powershell.exe filepath in a command prompt terminal, the script runs fine.

The end goal is to have all output written to the white textbox on the right-hand side of the Form Desktop Application above and continually append to that textbox as the script gives output.

c# powershell windows-forms-designer

share|improve this question

asked Mar 9 at 3:37

jprueejpruee

254

While($true)

 Write-Output "test"
 Start-Sleep -seconds 5

private void button1_Click(object sender, EventArgs e)
 
 string filepath = textBox1.Text;
 if (File.Exists(filepath))
 
 string s = "";
 var info = new ProcessStartInfo();
 Process process = new Process();

 info.UseShellExecute = false;
 info.RedirectStandardOutput = true;
 info.FileName = "powershell.exe";
 info.Arguments = filepath;

 process.StartInfo = info;

 process.Start();

 s += process.StandardOutput.ReadToEnd();
 process.WaitForExit();
 textBox1.AppendText(s);

 
 else
 
 textBox1.Text = "Error: Invalid file path.";
 
 

share|improve this question

asked Mar 9 at 3:37

jprueejpruee

254

share|improve this question

asked Mar 9 at 3:37

jprueejpruee

254

asked Mar 9 at 3:37

jprueejpruee

254

asked Mar 9 at 3:37

jprueejpruee

254

1 Answer
1

active

oldest

votes

0

Try this code, take the "string s = process.StandardOutput.ReadToEnd();" and start the thread right before the process.WaitForExit(); then you can break out of the thread once the process exit. It is still possible that you may need to create a delegate function to print the text in your text box, if so look into delegate functions, easy to implement.

 Thread t = new Thread(ReadStart);
 t.Start(process);
 process.WaitForExit();


public void ReadStart(object data)

 System.Diagnostics.Process p = (System.Diagnostics.Process)data;
 while(true)
 
 string s = p.StandardOutput.ReadToEnd();
 textBox1.AppendText(s);
 Thread.Sleep(1000);
 if (p.HasExited) break;
 

share|improve this answer

answered Mar 9 at 5:17

faljbourfaljbour

1,2082613

add a comment | 

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0

Try this code, take the "string s = process.StandardOutput.ReadToEnd();" and start the thread right before the process.WaitForExit(); then you can break out of the thread once the process exit. It is still possible that you may need to create a delegate function to print the text in your text box, if so look into delegate functions, easy to implement.

 Thread t = new Thread(ReadStart);
 t.Start(process);
 process.WaitForExit();


public void ReadStart(object data)

 System.Diagnostics.Process p = (System.Diagnostics.Process)data;
 while(true)
 
 string s = p.StandardOutput.ReadToEnd();
 textBox1.AppendText(s);
 Thread.Sleep(1000);
 if (p.HasExited) break;
 

share|improve this answer

answered Mar 9 at 5:17

faljbourfaljbour

1,2082613

add a comment | 

0

Try this code, take the "string s = process.StandardOutput.ReadToEnd();" and start the thread right before the process.WaitForExit(); then you can break out of the thread once the process exit. It is still possible that you may need to create a delegate function to print the text in your text box, if so look into delegate functions, easy to implement.

 Thread t = new Thread(ReadStart);
 t.Start(process);
 process.WaitForExit();


public void ReadStart(object data)

 System.Diagnostics.Process p = (System.Diagnostics.Process)data;
 while(true)
 
 string s = p.StandardOutput.ReadToEnd();
 textBox1.AppendText(s);
 Thread.Sleep(1000);
 if (p.HasExited) break;
 

share|improve this answer

answered Mar 9 at 5:17

faljbourfaljbour

1,2082613

add a comment | 

Try this code, take the "string s = process.StandardOutput.ReadToEnd();" and start the thread right before the process.WaitForExit(); then you can break out of the thread once the process exit. It is still possible that you may need to create a delegate function to print the text in your text box, if so look into delegate functions, easy to implement.

 Thread t = new Thread(ReadStart);
 t.Start(process);
 process.WaitForExit();


public void ReadStart(object data)

 System.Diagnostics.Process p = (System.Diagnostics.Process)data;
 while(true)
 
 string s = p.StandardOutput.ReadToEnd();
 textBox1.AppendText(s);
 Thread.Sleep(1000);
 if (p.HasExited) break;
 

share|improve this answer

answered Mar 9 at 5:17

faljbourfaljbour

1,2082613

 Thread t = new Thread(ReadStart);
 t.Start(process);
 process.WaitForExit();


public void ReadStart(object data)

 System.Diagnostics.Process p = (System.Diagnostics.Process)data;
 while(true)
 
 string s = p.StandardOutput.ReadToEnd();
 textBox1.AppendText(s);
 Thread.Sleep(1000);
 if (p.HasExited) break;
 

share|improve this answer

answered Mar 9 at 5:17

faljbourfaljbour

1,2082613

answered Mar 9 at 5:17

faljbourfaljbour

1,2082613

answered Mar 9 at 5:17

faljbourfaljbour

1,2082613