Get AppSettings.config File in C#.net

Get AppSettings.config File


Input

<configuration>
  <appSettings>
    <add key="ShowQuery" value="true"/>
  </appSettings>
</configuration>

Output

ConfigurationManager.AppSettings["ShowQuery"];

Prevent Multiple Instance Running

Prevent Multiple Instance Running

In Program.cs file add the below code.

 static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Process[] process = Process.GetProcessesByName(Application.ProductName); //Prevent multiple instance
if (process.Length > 1)
{
MessageBox.Show("{Application Name}  is already running. This instance will now close.", "{Application Name}",
MessageBoxButtons.OK, MessageBoxIcon.Information);
Application.Exit();
}
else
{
Application.Run(new <Initial Form>());
}
}

Visual Studio 2013 New Features

Visual Studio 2013 New Features

• Roaming Settings
• CodeMap – Visual Debugging
• Peek Definition – Alt+F12
• Code Lens
• New Blue Theme
• UI Icons
• Feedback & Notifications
• Enhanced Scrollbar
• Navigate To (Ctrl+,)
• Auto Brace Complete
• Move Line Up/ Down (Alt Arrow-Up/ Arrow-Down)
• Minor Tweaks

Using Overloading method via Interface in C#.Net

Here the Example for Using Overloading method via Interface in C#.Net

Interface Name: IFamily

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace FactoryPattern
{
    interface IFamily
    {
        string DisplayName(string str);
    }
}

Interface Name: IFamilyMember

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace FactoryPattern
{
    interface IFamilyMembers
    {
        string DisplayFamilyMembers(string str);
        string DisplayName();

    }
}

ClassName: ClsFamily
Interface Name(s):IFamily ,IFamilyMembers