Saturday, October 4, 2014

Creating Single Instance in Window application

9:41 AM - By azeheruddin khan 0

Step 1: Create a Window Application.
Step 2: Goto -> Program.cs file.
Step 3: Add System.Windows.Forms;
Step 4: Write below code in Main Method of Program.cs file.
Step 5: Build the Application -> Open Bin folder of your application -> Click on SingleInstance.exe

using System.Threading;
using System.Windows.Forms;

namespace SingleInstance
    static class Program
        /// <summary>
        /// The main entry point for the application.
        /// </summary>

        private static Mutex _Mutex;       

        static void Main()

            bool blnCheckInstance;
            _Mutex = new Mutex(true, "SingleInstance", out blnCheckInstance);

            if (blnCheckInstance)
                Application.Run(new HomeForm());
                MessageBox.Show("Application already running.", Application.ProductName,
                MessageBoxButtons.OK, MessageBoxIcon.Information);

About the Author

I am Azeheruddin Khan having more than 6 year experience in c#, and ms sql.My work comprise of medium and enterprise level projects using and other Microsoft .net technologies. Please feel free to contact me for any queries via posting comments on my blog,i will try to reply as early as possible. Follow me @fresher2programmer
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