Mega Code Archive
Shuffles the specified list
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namespace DeltaGroup.WheelOfJeopardy.Util
{
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Media;
public static class Extensions
{
#region Methods
/// <summary>
/// Shuffles the specified list.
/// </summary>
/// <typeparam name="TE">The type of the E.</typeparam>
/// <param name="list">The list.</param>
/// <returns></returns>
public static List<TE> Shuffle<TE>(this List<TE> list)
{
// so we dont remove from original
var temp = new List<TE>(list);
var result = new List<TE>();
var r = new Random();
while (temp.Count > 0)
{
var randomIndex = r.Next(0, temp.Count);
result.Add(temp[randomIndex]);
//remove to avoid duplicates
temp.RemoveAt(randomIndex);
}
return result;
}
/// <summary>
/// Toes the int.
/// </summary>
/// <param name="s">The s.</param>
/// <returns></returns>
public static int ToInt(this string s)
{
int i;
return int.TryParse(s, out i) ? i : 0;
}
/// <summary>
/// Finds the visual child.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="depObj">The dep obj.</param>
/// <returns></returns>
public static T FindVisualChild<T>(DependencyObject depObj)
where T : DependencyObject
{
if (depObj != null)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
{
DependencyObject child = VisualTreeHelper.GetChild(depObj, i);
if (child != null && child is T)
{
return (T)child;
}
T childItem = FindVisualChild<T>(child);
if (childItem != null) return childItem;
}
}
return null;
}
#endregion Methods
}
}
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