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POHow to create a Method that creates a new List and takes additional parameters
 

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  1. POHow to create a Method that creates a new List and takes additional parameters
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    <p>Is there a way to create a <code>Method</code> that creates a new instance of a <code>List</code> as a <code>Method Parameter</code>and does something with the new <code>List</code>?</p> <pre><code> private void ApplyMaxValue(List&lt;double&gt; list, double myDouble, Border border) { list = new List&lt;double&gt;(); list.Add(myDouble * 8); border.Width = list.Max(); } </code></pre> <p>I would like to be able to pass values like this where <code>someListToCreate</code> is created in the <code>Method</code> rather than using an existing list. </p> <pre><code> ApplyMaxValue(someListToCreate, aDouble, myBorder); </code></pre> <p>I am still a little new to C# and not sure if <code>Methods</code> are capable of this or if I would need to create a <code>Class</code>.</p> <p><strong>EDIT</strong></p> <p>Code with demonstration of Method</p> <pre><code>&lt;Window x:Class="NewListSample.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="500" Width="525"&gt; &lt;Grid&gt; &lt;StackPanel Margin="20"&gt; &lt;StackPanel Orientation="Horizontal" VerticalAlignment="Bottom"&gt; &lt;Border x:Name="borderForArray1" BorderThickness="1" Height="1" HorizontalAlignment="Left" Width="20" Background="#FFF57F7F" VerticalAlignment="Bottom"/&gt; &lt;Border x:Name="borderForArray2" BorderThickness="1" Height="1" HorizontalAlignment="Left" Width="20" Background="#FF6FA8D6" VerticalAlignment="Bottom"/&gt; &lt;Border x:Name="borderForArray3" BorderThickness="1" Height="1" HorizontalAlignment="Left" Width="20" Background="#FFEEB382" VerticalAlignment="Bottom"/&gt; &lt;Border x:Name="borderForArray4" BorderThickness="1" Height="1" HorizontalAlignment="Left" Width="20" Background="#FFB171E6" VerticalAlignment="Bottom"/&gt; &lt;/StackPanel&gt; &lt;Button Content="Generate" HorizontalAlignment="Left" Padding="8,3" Margin="0,5,0,0" Click="Button_Click"/&gt; &lt;Button Content="Method" HorizontalAlignment="Left" Padding="8,3" Margin="0,5,0,0" Click="Button_Click_1" /&gt; &lt;Button Content="Clear" HorizontalAlignment="Left" Padding="8,3" Margin="0,5,0,0" Click="Button_Click_2"/&gt; &lt;/StackPanel&gt; &lt;/Grid&gt; &lt;/Window&gt; </code></pre> <p>CS</p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace NewListSample { /// &lt;summary&gt; /// Interaction logic for MainWindow.xaml /// &lt;/summary&gt; public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } string[] array1 = { "This is a word.", "This is a sentence.", "This is short.", "This is." }; string[] array2 = { "This is a word.", "This is a very very very very long sentence.", "This is the longest sentence in this array along with all other arrays in this sample.", "This is a string." }; string[] array3 = { "This.", "That.", "Those.", "These.", "Slightly longer string." }; string[] array4 = { "a.", "b.", "c.", "defg." }; //Prevent from writing this code List&lt;double&gt; list1 = new List&lt;double&gt;(); List&lt;double&gt; list2 = new List&lt;double&gt;(); List&lt;double&gt; list3 = new List&lt;double&gt;(); List&lt;double&gt; list4 = new List&lt;double&gt;(); //Prevent code end //Method to prevent writing longer code private void ApplyMaxValue(string[] array, Border border) { List&lt;double&gt; someList = new List&lt;double&gt;(); foreach (string s in array) { someList.Add(s.Length * 3); } border.Height = someList.Max(); } private void Button_Click(object sender, RoutedEventArgs e) { foreach (string s in array1) { list1.Add(s.Length * 3); } foreach (string s in array2) { list2.Add(s.Length * 3); } foreach (string s in array3) { list3.Add(s.Length * 3); } foreach (string s in array4) { list4.Add(s.Length * 3); } borderForArray1.Height = list1.Max(); borderForArray2.Height = list2.Max(); borderForArray3.Height = list3.Max(); borderForArray4.Height = list4.Max(); } private void Button_Click_1(object sender, RoutedEventArgs e) { ApplyMaxValue(array1, borderForArray1); ApplyMaxValue(array2, borderForArray2); ApplyMaxValue(array3, borderForArray3); ApplyMaxValue(array4, borderForArray4); } private void Button_Click_2(object sender, RoutedEventArgs e) { borderForArray1.Height = borderForArray2.Height = borderForArray3.Height = borderForArray4.Height = 1; } } } </code></pre>
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