opentx/sound/recorder/MainWindow.xaml

<Window x:Class="OpenTXrecorder.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="OpenTX Recorder" 
        Height="440" 
        MinWidth="840"
        MaxWidth="840"
        ResizeMode="CanResizeWithGrip" SizeToContent="Width" Icon="/OpenTXrecorder;component/icon.ico" MinHeight="450">

    
    <Window.Resources> 
        <DataTemplate x:Key="imagePlay">
            <Image x:Name="ThePlayImage" />
            <DataTemplate.Triggers>
                <DataTrigger Binding="{Binding Path=fileExists}" Value="true">
                    <Setter TargetName="ThePlayImage" Property="Source" Value="/OpenTXrecorder;component/play.png" />
                </DataTrigger>
            </DataTemplate.Triggers>
        </DataTemplate>
    </Window.Resources>

    <Grid VerticalAlignment="Stretch" >
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <Grid Grid.Row="0" Grid.Column="0" VerticalAlignment="Stretch">

            <ListView Name="lvSentences" 
                      SelectionMode="Single" 
                      MouseDoubleClick="play" 
                      VerticalAlignment="Stretch" 
                      ItemsSource="{Binding sentences, Mode=TwoWay}"
                      IsSynchronizedWithCurrentItem="True"
                      >
                <ListView.View>
                    <GridView>
                        <GridView.Columns>
                            <GridViewColumn Header="File Name" Width="90"  DisplayMemberBinding="{Binding fileName}" />
                            <GridViewColumn Header="Description" Width="190" DisplayMemberBinding="{Binding description}" />
                            <GridViewColumn Header="Voice" Width="190" DisplayMemberBinding="{Binding voiceString}" />
                            <GridViewColumn Width="30" CellTemplate="{StaticResource imagePlay}" />
                        </GridView.Columns>
                    </GridView>
                </ListView.View>
            </ListView>
        </Grid>

        <StackPanel Grid.Row="0" Grid.Column="1">
            <TextBlock Text="Settings" Margin="5,0,0,0" FontSize="18"   />

            <StackPanel Orientation="Vertical" HorizontalAlignment="Left" Margin="10,0,0,0">
                <StackPanel Orientation="Horizontal">
                    <Label Content="Language" Width="75"   />
                    <ComboBox Name="cbLanguages"
                              DisplayMemberPath="lName"
                              SelectedValuePath="sName"
                              SelectionChanged="switchLanguage"
                              Width="200" Height="23"  
                              ItemsSource="{Binding languages, Mode=TwoWay}" />
                </StackPanel>
            </StackPanel>
            <Separator Height="5" />
            <TextBlock Text="Sentence" Margin="5,0,0,0" FontSize="18"   />
            <Grid Margin="10,0,0,0" DataContext="{Binding ElementName=lvSentences, Path=SelectedItem}" Width="Auto">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="75" />
                    <ColumnDefinition Width="*"/>
                </Grid.ColumnDefinitions>
                <Grid.RowDefinitions>
                    <RowDefinition />
                    <RowDefinition />
                    <RowDefinition />
                    <RowDefinition />
                    <RowDefinition />
                </Grid.RowDefinitions>

                <TextBlock Text="File Name" VerticalAlignment="Center" HorizontalAlignment="Left" Grid.Row="0" Grid.Column="0"  Margin="0,5,0,0"   />
                <TextBox   Text="{Binding Path=fileName}" Grid.Row="0" Grid.Column="1" Margin=" 0,0,10,0" />
                <TextBlock Text="Description" VerticalAlignment="Center" HorizontalAlignment="Left" Grid.Row="1" Grid.Column="0"  Margin="0,5,0,0"   />
                <TextBox   Text="{Binding Path=description}" Grid.Row="1" Grid.Column="1" Margin=" 0,0,10,0"/>
                <TextBlock Text="Sentence" Grid.Row="2" Grid.Column="0" Margin="0,5,0,0"   />
                <TextBox   Text="{Binding Path=voiceString}" Grid.Row="2" Grid.Column="1"  Margin="0,0,10,0"/>
            </Grid>
            <Separator Height="5" Margin="0,5,0,0" />

            <StackPanel Orientation="Horizontal" Margin="0,0,0,0">
                <TextBlock Text="Speed Up" Width="70" Margin="10,10,0,0"   />
                <Slider Name="speedSlider" 
                        Value="0"
                        Minimum="0" 
                        Maximum="17" 
                        TickPlacement="BottomRight" 
                        TickFrequency="1" 
                        IsSnapToTickEnabled="True"
                        Width="170" 
                        Margin="10,10,10,0" ToolTip="Increase speech speed" />
                <TextBlock Text="{Binding ElementName=speedSlider, Path=Value}" Width="40" Margin="0,10,0,0"/>
                <TextBlock Text="Voice Rate" Width="70" Margin="10,10,0,0"   />
            </StackPanel>

            <StackPanel Orientation="Horizontal" Margin="0,0,0,0">
                <TextBlock Text="Cut Level" Width="70" Margin="10,10,0,0"   />
                <Slider Name="noiceLevelSlider" 
                        Value="800"
                        Minimum="0" 
                        Maximum="4000" 
                        TickPlacement="BottomRight" 
                        TickFrequency="100" 
                        IsSnapToTickEnabled="True"
                        Width="170" 
                        Margin="10,10,10,0" ToolTip="Set Cut Level as low as possible" />
                <TextBlock Text="{Binding ElementName=noiceLevelSlider, Path=Value}" Width="40" Margin="0,10,0,0"/>
                <TextBlock Text="Voice Rate" Width="70" Margin="10,10,0,0"   />
            </StackPanel>
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,5,0,0">
                <Button Content="New Sentence" Width="120" Height="32" Name="buttonAddItem" Click="addSentence"/>
                <Button Name="btnRecord" ToolTip="Start recording" Click="record"  Margin="20,0,0,0" >
                    <Image Height="32" Source="/OpenTXrecorder;component/record.png"/>
                </Button>
                <Button Name="btnStop" ToolTip="Stop recording"  Click="stop"  Margin="5,0,0,0" >
                    <Image Height="32" Source="/OpenTXrecorder;component/stop.png" />
                </Button>
                <Button Name="btnPlay" ToolTip="Play Sentence"  Click="play"  Margin="30,0,0,0" >
                    <Image Height="32" Source="/OpenTXrecorder;component/play.png"  />
                </Button>
            </StackPanel>
            <Separator Height="5" />
            <Label Content="RECORDING"  Name="lblRecording" HorizontalAlignment="Center" Foreground="Red" FontSize="24" FontWeight="Black" Visibility="Hidden" />
        </StackPanel>
        <Image Grid.Row="0" Grid.Column="1"  Name="openTXLogo"  Height="48"  MouseLeftButtonDown="about" HorizontalAlignment="Right" Cursor="Hand" Margin="0,0,0,0" Source="/OpenTXrecorder;component/recorder_logo.png" Stretch="Uniform" VerticalAlignment="Bottom" />

    </Grid>

</Window>