Visual Studio.NET - SilverLight Application For Finding the line equation given two points

---

Here is the SilverLight Application Source code and downloadable for finding the line equation given two points.

 

Click here to download the SilverLight Project in VS2010

 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

 

namespace LineEqn_2Points

{

    public partial class MainPage : UserControl

    {

        public MainPage()

        {

            InitializeComponent();

        }

 

        private void Find_Click(object sender, RoutedEventArgs e)

        {

            double x1 = Convert.ToDouble(PointX1.Text);

            double y1 = Convert.ToDouble(PointY1.Text);

 

            double x2 = Convert.ToDouble(PointX2.Text);

            double y2 = Convert.ToDouble(PointY2.Text);

 

            double slope = (y1 - y2) / (x1 - x2);

            double intercept = y1 - (slope * x1);

 

            Result.Text = "Y = " + slope.ToString() + "X + " + intercept.ToString();

        }

    }

}

 

 

<UserControl x:Class="LineEqn_2Points.MainPage"

    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"

    mc:Ignorable="d"

    d:DesignHeight="180" d:DesignWidth="400">

 

    <Grid x:Name="LayoutRoot" Background="#eeeeee">

 

        <Grid.RowDefinitions>

            <RowDefinition Height="50"></RowDefinition>

            <RowDefinition Height="50"></RowDefinition>

            <RowDefinition Height="50"></RowDefinition>

        </Grid.RowDefinitions>

 

        <TextBlock Grid.Row="0" HorizontalAlignment="Left" Margin="10,15,0,0" VerticalAlignment="Center" Text="Point X1: " Height="20"></TextBlock>

        <TextBlock Grid.Row="0" HorizontalAlignment="Left" Margin="200,15,0,0" VerticalAlignment="Center" Text="Point Y1: " Height="20"></TextBlock>

        <TextBox Grid.Row="0" HorizontalAlignment="Left" Margin="70,10,0,0" Name="PointX1" Width="100" Height="25"></TextBox>

        <TextBox Grid.Row="0" HorizontalAlignment="Left" Margin="260,10,0,0" Name="PointY1" Width="100" Height="25"></TextBox>

 

        <TextBlock Grid.Row="1" HorizontalAlignment="Left" Margin="10,15,0,0" VerticalAlignment="Center" Text="Point X2: " Height="20"></TextBlock>

        <TextBlock Grid.Row="1" HorizontalAlignment="Left" Margin="200,15,0,0" VerticalAlignment="Center" Text="Point Y2: " Height="20"></TextBlock>

        <TextBox Grid.Row="1" HorizontalAlignment="Left" Margin="70,10,0,0" Name="PointX2" Width="100" Height="25"></TextBox>

        <TextBox Grid.Row="1" HorizontalAlignment="Left" Margin="260,10,0,0" Name="PointY2" Width="100" Height="25"></TextBox>

 

        <Button Grid.Row="2" HorizontalAlignment="Left" Margin="50,0,0,0" Click="Find_Click" Content="Find Line Equation" Width="150" Height="25"></Button>

        <TextBox Grid.Row="2" HorizontalAlignment="Left" Margin="220,0,0,0" Name="Result" Width="150" Height="25"></TextBox>

    </Grid>

</UserControl>

 

---

---

---