Add pronunciation assessment sample code in csharp (WPF) (#184)

* Add pronunciation assessment sample code in csharp (WPF)
* Add copyright comment

PronunciationAssessment/CSharp/WPF/App.config

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
+    </startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Xaml.Behaviors" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.1.0.0" newVersion="1.1.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

PronunciationAssessment/CSharp/WPF/App.xaml

@@ -0,0 +1,20 @@
+<Application x:Class="SpeechScore.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:SpeechScore"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <!-- MahApps.Metro resource dictionaries. Make sure that all file names are Case Sensitive! -->
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Colors.xaml" />
+                <!-- Accent and AppTheme setting -->
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/Blue.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseLight.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/FlatButton.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

PronunciationAssessment/CSharp/WPF/App.xaml.cs

@@ -0,0 +1,11 @@
+namespace SpeechScore
+{
+    using System.Windows;
+
+    /// <summary>
+    /// App.xaml interactive logic
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

PronunciationAssessment/CSharp/WPF/MainWindow.xaml

@@ -0,0 +1,46 @@
+<Controls:MetroWindow x:Class="SpeechScore.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
+        xmlns:iconPacks="http://metro.mahapps.com/winfx/xaml/iconpacks"
+        GlowBrush="{DynamicResource AccentColorBrush}"
+        Title="English Pronunciation Score" TitleCharacterCasing="Normal" FontSize="20"  Height="400" Width="600" Loaded="MetroWindow_Loaded" WindowStartupLocation="CenterScreen" WindowState="Maximized">
+    <Grid>
+        <Grid x:Name="PronGrid">
+            <Label x:Name="RegionLbl" Content="Region:" HorizontalAlignment="Left" Margin="20,32,0,0" VerticalAlignment="Top"/>
+            <ComboBox x:Name="Region" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="95,40,0,0" Height="24" Width="105">
+                <ComboBoxItem>WestUS</ComboBoxItem>
+                <ComboBoxItem IsSelected="True">EastAsia</ComboBoxItem>
+                <ComboBoxItem>CentralIndia</ComboBoxItem>
+            </ComboBox>
+
+            <Label x:Name="SubscriptionKeyLbl" Content="Subscription Key:" HorizontalAlignment="Left" Margin="200,32,0,0" VerticalAlignment="Top"/>
+            <TextBox x:Name="SubscriptionKey" HorizontalAlignment="Left" Height="24" Margin="360,40,0,0" Text="" VerticalAlignment="Top" Width="220"/>
+
+            <StackPanel Orientation="Horizontal" Height="60" VerticalAlignment="Top" HorizontalAlignment="Center" Margin="198,82,198,0">
+                <Button ToolTip="TTS" x:Name="TTSBut" HorizontalAlignment="Left" Style="{DynamicResource MahApps.Metro.Styles.MetroCircleButtonStyle}" Height="48" Width="48" Margin="0,5,0,0"  Click="TTSBut_Click">
+                    <iconPacks:PackIconModern  Kind="Sound3"  Height="32" Width="32" />
+                </Button>
+
+                <Button ToolTip="Record" x:Name="StartBut" Style="{DynamicResource MahApps.Metro.Styles.MetroCircleButtonStyle}"  Margin="100,5,0,0"  Width="48" Height="48" Click="Button_Start_Click">
+                    <iconPacks:PackIconModern Kind="Microphone"  Height="20" Width="20"/>
+                </Button>
+                <Button ToolTip="Stop" Visibility="Collapsed"  x:Name="StopBut" Style="{DynamicResource MahApps.Metro.Styles.MetroCircleButtonStyle}"  Width="48" Height="48" Margin="100,5,0,0"  Click="Button_Stop_Click">
+                    <iconPacks:PackIconModern Kind="ControlStop" Height="20" Width="20" />
+                </Button>
+
+            </StackPanel>
+            <RichTextBox IsReadOnly="False"  x:Name="ReferenceText" FontSize="40"  HorizontalAlignment="Left" Height="190" Margin="80,150,80,0"  VerticalAlignment="Top" VerticalScrollBarVisibility="Auto">
+                <FlowDocument TextAlignment="Center">
+                    <Paragraph>
+                        <Run>Good Morning!</Run>
+                    </Paragraph>
+                </FlowDocument>
+            </RichTextBox>
+            <Controls:ProgressRing x:Name="progressRing" IsActive="False" VerticalAlignment="Top" Margin="0,150,0,0"/>
+
+            <WebBrowser  x:Name="PronScoreWebBrowser"  HorizontalAlignment="Left"  Margin="20,360,20,100" VerticalAlignment="Top" />
+        </Grid>
+
+    </Grid>
+</Controls:MetroWindow>