Waitforexit does not work c#

Waitforexit does not work c#

By: skynet80 Date of post: 09.06.2017

However, this does not return anything. I don't believe the OutputDataReceived event is being called back, or the WaitForExit command may be blocking the thread so it will never callback.

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. Here's code that I've verified to work. I use it for spawning MSBuild and listening to its output:. It looks like two of your lines are out of order. You start the process before setting up an event handler to capture the output. It's possible the process is just finishing before the event handler is added. I needed to capture both stdout and stderr and have it timeout if the process didn't exit when expected.

I came up with this:. I am piping the stdout and stderr into the same string, but you could keep it separate if needed. It uses events, so it should handle them as they come I believe. I have run this successfully, and will be volume testing it soon.

c# - How to spawn a process and capture its STDOUT in .NET? - Stack Overflow

Note that this only captures standard output ; it doesn't capture standard error. If you want both, use this technique for each stream. You need to call p.

c# - why WaitForExit() doesn't wait? - Stack Overflow

Start to actually run the process after you set the StartInfo. As it is, your function is probably hanging on the WaitForExit call because the process was never actually started.

Redirecting the stream is asynchronous and will potentially continue after the process has terminated. It is mentioned by Umar to cancel after process termination process. However that has data loss potential. The answer from Judah did not work for me or is not complete as the application was exiting after the first BeginOutputReadLine.

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Join them; it only takes a minute: How to spawn a process and capture its STDOUT in. This question already has an answer here: Capturing console output from a. NET application C 7 answers. I have found these to be not very reliable, and they can sometimes truncate the beginning of the application's output.

Which is a string var already: FlySwat 7 years later, how about marking an mtf trix forex factory as accepted? I use it for spawning MSBuild and listening to its output: I can't believe how many people leave out the "BeginOutputReadLine" part. Saved my days, thanks! Data ; waitforexit does not work c# process.

Process Wait For Exit not work for subprocess in asynchronous mode | The pezewehemave.web.fc2.com Forums

Curious, is there time between Start and BeginOutputReadLinewhere output could be lost not given to OutputDataReceived? I just tried this very thing and the following worked for me: Umar Farooq Khawaja 3, 21 Spike, but that runs synchronously.

Switch the lines like so.

JaredPar k 91 Even though its not marked as such, this is probably the right answer. This did not work for me.

The EDIT that FlySwat included in his answer worked for me. I came up with this: Resume for stock market trader ; throw new Exception "ERROR: Robb Sadler 6 This one worked for me! Here's some full and simple code to do this. This worked fine when I used it.

WaitForExit make money blogging sites Note that this only captures standard output ; it doesn't capture standard error. This is working reliably for me: James Schmidt 1 WaitForExit the parameterless version after process. WaitForExit timeout returned true. See the remarks here for details: Here's a method that I use to run a process and gets its output and errors: Beatles 3, 21 MSDN Docs say that you risk a deadlock if listening to both output and error at the same time.

The app will stop if the error buffer is full, and wait for it to empty. But you're not emptying the error buffer until the output buffer is finished which it won't be as the app is waiting for the error buffer The answer from Judah did not work for me or is not complete as the application was exiting after the first BeginOutputReadLine ; This works for me as a complete snippet, reading the constant output of a ping: Craig 1 In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers.

Stack Overflow works best with JavaScript enabled. NET application C 7 answers I need to spawn a child process that is a console application, and capture its output. I wrote up the following code for a method: WaitForExit ; return retMessage; However, this does not return anything.

waitforexit does not work c#

Looks like I was trying too hard with the callback. ReadToEnd ; Appears to work fine. If you aren't going to be interacting with the application and just care about its output, you should not use the Async BeginOutputReadLine and Start way of doing it.

I found this was slightly easier p. Isn't that a deadlock waiting to happen?

waitforexit does not work c#

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