miteshsureja

<Window x:Class="AsyncAwaitExample.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:AsyncAwaitExample"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <StackPanel>
        <TextBlock Text="Enter number to sum:" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,50,0,0"/>

miteshsureja

using System;
using System.Collections;
using System.Collections.Generic;

namespace IteratorPattern
{
    //Aggregate
    public abstract class Aggregate
    {
        public abstract Iterator GetIterator();

miteshsureja

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace IteratorPattern
{
   public class MyCollection : IEnumerable
    {

miteshsureja

using System;
using System.Collections.Generic;
using System.Linq;

namespace MediatorPattern
{
    //Concrete Mediator
    public class ChatRoom : IChatRoom
    {
        private Dictionary<string, Participant> participants = 

miteshsureja

using System;
using System.Collections.Generic;
using System.Linq;

namespace MementoPattern
{
    //Originator class
    public class Backup
    {
        public string BackupName { get; set; }

miteshsureja

using System;
using System.Collections.Generic;

namespace ObserverPattern
{
    //Observer
    public interface IStockPriceWatcher
    {
        string Name { get; set; }
        Subject Subject { get; set; }

miteshsureja

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StatePattern
{
    //state
    public abstract class State

miteshsureja

#select excel file you want to read
$file = "C:\PowerShell\MyContacts.xlsx"
$sheetName = "Sheet1"

#create new excel COM object
$excel = New-Object -com Excel.Application

#open excel file
$wb = $excel.workbooks.open($file)

miteshsureja

using System;

namespace StrategyPattern
{
    //strategy
    public interface IPaymentStrategy
    {
        void Pay(double amount);
    }
    //concrete strategy

miteshsureja

using System;

namespace TemplatePattern
{
    //Template abstract class
    public abstract class OrderTemplate
    {
        public abstract void SelectProduct();
        public abstract void Payment();
        public abstract void Deliver();