Run single instance of an application using Mutex

by

I did it this way once, I hope it helps:

bool createdNew;

Mutex m = new Mutex(true, "myApp", out createdNew);

if (!createdNew)
{
    // myApp is already running...
    MessageBox.Show("myApp is already running!", "Multiple Instances");
    return;
}

More Related Contents:

  1. What is the correct way to create a single-instance WPF application?
  2. What is a good pattern for using a Global Mutex in C#?
  3. Concurrent HashSet in .NET Framework?
  4. Is using a Mutex to prevent multiple instances of the same program from running safe?
  5. What are the differences between various threading synchronization options in C#?
  6. Why doesn’t Mutex get released when disposed?
  7. Using string as a lock to do thread synchronization
  8. Synchronizing 2 processes using interprocess synchronizations objects – Mutex or AutoResetEvent
  9. Increase c# list performance
  10. Parsing CSV files in C#, with header
  11. Turn on/off monitor
  12. Do C# Timers elapse on a separate thread?
  13. Format of the initialization string does not conform to specification starting at index 0
  14. What’s the difference between X = X++; vs X++;?
  15. How to send text to Notepad in C#/Win32?
  16. How to filter Directory.EnumerateFiles with multiple criteria?
  17. What requirement was the tuple designed to solve?
  18. WIN32_Processor::Is ProcessorId Unique for all computers
  19. How to set enum to null
  20. Accessing Office Word object model through asp.net results in “failed due to the following error: 80070005 Access is denied.”
  21. DataGrid get selected rows’ column values
  22. Get table-data from table-name in LINQ DataContext
  23. Choose one of many Internet connections for an application
  24. Who should call Dispose on IDisposable objects when passed into another object?
  25. Convert RGB color to CMYK?
  26. The given key was not present in the dictionary. Which key?
  27. How to deserialize only part of an XML document in C#
  28. Overriding Extension Methods
  29. ASP.NET 5 Authorize against two or more policies (OR-combined policy)
  30. C# how to use WM_GETTEXT / GetWindowText API / Window Title

Leave a Comment