List transformations by suitability

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<UserControl
    x:Class="ArcGISRuntime.UWP.Samples.ListTransformations.ListTransformations"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:esriUI="using:Esri.ArcGISRuntime.UI.Controls"
    xmlns:local="using:ArcGISRuntime.UWP.Samples.ListTransformations"
    x:Name="_this">
    <Grid DataContext="{Binding ElementName=_this}">
        <esriUI:MapView x:Name="MyMapView" />
        <Border Style="{StaticResource BorderStyle}">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                </Grid.RowDefinitions>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>
                <TextBlock
                    x:Name="InSpatialRefTextBox"
                    Grid.Row="0"
                    Grid.Column="0"
                    FontWeight="SemiBold" />
                <TextBlock
                    x:Name="OutSpatialRefTextBox"
                    Grid.Row="0"
                    Grid.Column="1"
                    HorizontalAlignment="Right"
                    FontWeight="SemiBold" />
                <CheckBox
                    x:Name="UseExtentCheckBox"
                    Grid.Row="1"
                    Grid.Column="0"
                    Grid.ColumnSpan="2"
                    Margin="0,5,0,0"
                    Checked="UseExtentCheckBox_CheckChanged"
                    Content="Consider current extent"
                    IsChecked="False"
                    Unchecked="UseExtentCheckBox_CheckChanged" />
                <ListView
                    x:Name="TransformationsListBox"
                    Grid.Row="2"
                    Grid.Column="0"
                    Grid.ColumnSpan="2"
                    Height="200"
                    Padding="0"
                    BorderBrush="Black"
                    BorderThickness="1"
                    ItemsSource="{Binding Path=SuitableTransformationsList}"
                    SelectionChanged="TransformationsListBox_Selected">
                    <ListView.ItemTemplate>
                        <DataTemplate x:DataType="local:DatumTransformationListBoxItem">
                            <UserControl>
                                <TextBlock
                                    x:Name="TransformNameTextBlock"
                                    Text="{Binding Path=TransformationObject.Name}"
                                    TextWrapping="Wrap">
                                    <!--  View states to manage display of unavailable transforms, and the default transform.  -->
                                    <VisualStateManager.VisualStateGroups>
                                        <VisualStateGroup>
                                            <!--  If missing PE files locally, the transform is unavailable.  -->
                                            <VisualState x:Name="UnavailableTransformState">
                                                <VisualState.StateTriggers>
                                                    <StateTrigger IsActive="{x:Bind TransformationObject.IsMissingProjectionEngineFiles}" />
                                                </VisualState.StateTriggers>
                                                <Storyboard>
                                                    <DoubleAnimation
                                                        Storyboard.TargetName="TransformNameTextBlock"
                                                        Storyboard.TargetProperty="(TextBlock.Opacity)"
                                                        To="0.5"
                                                        Duration="0:0:1" />
                                                </Storyboard>
                                            </VisualState>
                                            <!--  One transform is the default, highlight it in blue.  -->
                                            <VisualState x:Name="DefaultTransformState">
                                                <VisualState.StateTriggers>
                                                    <StateTrigger IsActive="{x:Bind IsDefault}" />
                                                </VisualState.StateTriggers>
                                                <Storyboard>
                                                    <ColorAnimation
                                                        Storyboard.TargetName="TransformNameTextBlock"
                                                        Storyboard.TargetProperty="(TextBlock.Foreground).(SolidColorBrush.Color)"
                                                        To="Blue"
                                                        Duration="0:0:1" />
                                                </Storyboard>
                                            </VisualState>
                                        </VisualStateGroup>
                                    </VisualStateManager.VisualStateGroups>
                                </TextBlock>
                            </UserControl>
                        </DataTemplate>
                    </ListView.ItemTemplate>
                </ListView>
                <TextBlock
                    x:Name="MessagesTextBox"
                    Grid.Row="3"
                    Grid.Column="0"
                    Grid.ColumnSpan="2"
                    Margin="0,5,0,0"
                    FontWeight="SemiBold"
                    TextWrapping="Wrap" />
            </Grid>
        </Border>
    </Grid>
</UserControl>