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The Handle Is Invalid C# Process

Reply to quoted postsClear » Forums » Home » Forums » The Technical Side » General Programming Change Theme IP.Board GDNet 3.4.1 GDNet 6.0 English (USA) English (USA) English (USA) Jun 08, 2007 04:25 PM|rmills1|LINK Thanks for your reply. This can cause deadlock if your application is reading all output to standard error and standard output, for example, using the following C# code. Is it a security vulnerability if the addresses of university students are exposed? check over here

ObjectDisposedException The process object has already been disposed. Etc. I noticed that dot net 2.0 had extra domain\username\password properties so you could launch a process as someone else. Return Value: A new Process component that is associated with the process, or null, if no process resource is started (for example, if an existing process is reused).

Then after getting the Process by it's processId and doing WaitForExit on it, I can read the contents of that file to find out what the output was. ArgumentException The startInfo parameter is null. string output = p.StandardOutput.ReadToEnd(); string error = p.StandardError.ReadToEnd(); p.WaitForExit(); In this case, if the child process writes any text to standard error it will block the process, because the parent process

You can choose to not be notified when the process exits, because it is not relevant to the continued operation of your application. Using Process.Start on "whoami.exe" always returns the ASPNET worker process no matter what I do. Synchronous notification relies on calling the Process.WaitForExit method to pause the processing of your application until the associated component exits. Are you asking in terms of exposing an API only on Windows?

Back to top Back to General Programming Old topic! Sign in to comment Contact GitHub API Training Shop Blog About © 2017 GitHub, Inc. Sometimes the app works correctly. How does changing metrics help to find solutions to a partial differential equation?

GetService(inherited fromSystem.ComponentModel.Component) See base class member description: System.ComponentModel.Component.GetService Returns an object that represents a service provided by the Component or by its Container. PublicEvents Disposed(inherited fromSystem.ComponentModel.Component) See base class member description: System.ComponentModel.Component.Disposed Adds an event handler to listen to the Component.Disposed event on the component. Etc. Such information includes the set of threads, the loaded modules (.dll and .exe files), and performance information such as the amount of memory the process is using.

  • What do you call this alternating melodic pattern?
  • The ISite stores the name of the Component; therefore, you can only name a Component if it has an ISite associated with it.
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  • I was not able to create a problem like the one mentioned above by exclusivly opening a file Member terrajobst commented Dec 24, 2014 This seems quite reasonable.
  • Events(inherited fromSystem.ComponentModel.Component) Read-onlySee base class member description: System.ComponentModel.Component.Events Gets the list of event handlers that are attached to this Component.
  • Both this overload and the overload that has no parameters allow you to specify the file name of the process resource to start.
  • Return Value: A new Process component that is associated with the process resource, or null if no process resource is started (for example, if an existing process is reused).

A thread can execute any part of the code of the process, including parts currently being executed by another thread. Remarks Use this method to create a new Process instance and associate it with the process resource on the local computer. Email check failed, please try again Sorry, your blog cannot share posts by email. Unfortunately, even if I get it to work I can't get the output from the command line execution, which kills this as a solution for me.

See also: IContainer | Container | ISite Return to top Property: StandardError (read-only) Summary Gets a StreamReader through which to read error output from the application. check my blog The handle is invalid... [Answered]RSS 4 replies Last post Jun 11, 2007 09:47 PM by rmills1 ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads The content you requested has been removed. If System.Diagnostics.Process.CloseMainWindow (not supported on the shared source CLI) fails, you can use Process.Kill to terminate the process.

Samir Daoudi SQL Server, SharePoint and .Net Specialist Location Manchester, UK Tel +44 750 241 2822 Email [email protected] © Copyright 2016. Archeological evidence of nuclear warfare Why do CDs and DVDs fill up from the centre outwards? I've tried to search quite a lot before posting here. this content C# Syntax: public intExitCode {get;} Exceptions Exception Type Condition InvalidOperationException The process has not exited. -or- The process Process.Handle is not valid.

It can be of any file type for which the extension has been associated with an application that is installed on the system. See also: IContainer | Container Return to top Overloaded Method: Dispose(booldisposing) Summary Supports the Shared Source CLI infrastructure and is not intended to be used directly from your code This type In such a case, instead of returning a new Process component, Process.Start returns null to the calling procedure.

A handle is the generic term for an identifier of a resource.

The example results in the opening of a blank Notepad window. string output = p.StandardOutput.ReadToEnd(); string error = p.StandardError.ReadToEnd(); p.WaitForExit(); In this case, if the child process writes any text to standard error it will block the process, because the parent process I already knew that all processes have stdin, stdout, stderr. See also: Process.StandardOutput | Process.StandardError | ProcessStartInfo.RedirectStandardInput Return to top Property: StandardOutput (read-only) Summary Gets a StreamReader through which the application can read output from the process.

A note about apartment states in managed threads is necessary here. Return to top Overloaded Method: Start() Summary Starts (or reuses) the process resource that is specified by the Process.StartInfo property of this Process component and associates it with the component. When jumping a car battery, why is it better to connect the red/positive cable first? http://supportcanonprinter.com/the-handle/the-handle-is-invalid-6-delphi.html For example, you can set the fileName parameter to either "Notepad.exe" or "Notepad".

Calling Process.OnExited causes the Process.Exited event to occur and is the only way to raise the event using the Process component. Thanks in advanceRams NicolasD 2005-11-14 00:00:00 UTC #11 with .Net 2.0 you can't get the standard output of a process that you launch under a different set of credentials.you can get Starting a process by specifying its file name is similar to typing the information in the Run dialog box of the Windows Start menu.