WPF

<telerik:RadGridView x:Name="tkGrid" Grid.Row="2"                                               ItemsSource="{Binding EntityList,Mode=TwoWay}"                                              SelectedItem="{Binding SelectedEntity,Mode=TwoWay}"                                                 >
<telerik:RadGridView.Columns> etc...

#region --------    Entity selected item<br />
   private EntityDB _SelectedEntity;
   public EntityDB SelectedEntity
   {
       get
       { return _SelectedEntity; }
       set
       {
           if (_SelectedEntity == value)
           { return; }
           var oldValue = _SelectedEntity;
           _SelectedEntity = value;
           base.RaisePropertyChanged("SelectedEntity");
       }
   }
   #endregion --------     Entity

<DataTemplate DataType="{x:Type vms:MyViewModel}">
    <vw:MyView/>
</DataTemplate>

private void LoadClientsList()
{
    var clients = _dal.GetClients();
    Clients = new ObservableCollection<ClientEntity>(clients);
}

<UserControl.DataContext>
    <vms:BacklogViewModel/>
</UserControl.DataContext>

Kevin Marois wrote:

<DataTemplate DataType="{x:Type vms:MyViewModel}">

<Style x:Key="listBoxItemContainerStyle" TargetType="{x:Type ListBoxItem}">
            <Setter Property="SnapsToDevicePixels" Value="true"/>
            <Setter Property="OverridesDefaultStyle" Value="true"/>
            <Setter Property="Foreground" Value="Black"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ListBoxItem">
                        <Border Name="Border" Padding="2" SnapsToDevicePixels="true">
                            <ContentPresenter />
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsSelected" Value="true">
                                <Setter TargetName="Border" Property="Background" Value="Orange"/>
                                <Setter Property="Foreground" Value="Blue"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Foreground" Value="Gray"/>
                                <Setter TargetName="Border" Property="BorderThickness" Value="2"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="true">
                                <Setter TargetName="Border" Property="Background" Value="Orange"/>
                                <Setter Property="Foreground" Value="Blue"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

Kevin Marois wrote:

When I click into the textbox, the code behind runs as expected. Yet I don't see anything in the textbox.

Kevin Marois wrote:

if (IsFocused)
{
    // If the watermark is showing, remove it
    if (Text.CompareTo(WatermarkText) == 0)
    {
        Text = string.Empty;
    }
}

Kevin Marois wrote:

When I click out, the watermark text appears, but in black and not italic.

Kevin Marois wrote:

<Setter Property="FontStyle" Value="Normal"/>
<Setter Property="Foreground" Value="Black"/>
...
<Trigger Property="IsFocused" Value="True">
    <Setter Property="Foreground" Value="Red"/>
    <Setter Property="FontStyle" Value="Italic"/>
</Trigger>

xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"

<telerik:RadTreeListView x:Name="tvData">

<i:Interaction.Triggers>
                    <i:EventTrigger EventName="CellEditEnded">
                        <i:InvokeCommandAction Command="{Binding TKCellEndEdit}"                                                                     CommandParameter="{Binding CurrentCell,RelativeSource={RelativeSource AncestorType=telerik:RadTreeListView}}" />
                    </i:EventTrigger>
                </i:Interaction.Triggers>

public ICommand TKCellEndEdit { get; set; }
TKCellEndEdit = new DelegateCommand<object>(this.tKCellEndEdit);

private void tKCellEndEdit(object o)
    {
      string s = o.ToString();
      GridViewCell oCell = (o as GridViewCell);
      if (oCell.Value != null)
      {
        if (oCell.DataContext.GetType() == typeof(TreeNodeDE))
        {
          //do Something;
        }
      }

private void HandleCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
  if (e.OldItems != null)
  {
    foreach (object item in e.OldItems)
    {
      ((INotifyPropertyChanged)item).PropertyChanged -= MyPropertyChangedHandler;
    }
  }
  if (e.NewItems != null)
  {
    foreach (object item in e.NewItems)
    {
      ((INotifyPropertyChanged)item).PropertyChanged += MyPropertyChangedHandler;
    }
  }
}

private void MyPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
  if (e.PropertyName != "Name") return;
  MyModel model = sender as MyModel;
  Debug.WriteLine($"Name changed to {model.Name}");
}

<Style x:Key="BlockRadioButtonStyle"
        TargetType="{x:Type mbc:MaroisRadioButton}"
        BasedOn="{StaticResource BaseRadioButtonStyle}">

<pre>
<Setter Property="Template">
    <Setter.Value>
        <ControlTemplate TargetType="{x:Type mbc:MaroisRadioButton}">

            <BulletDecorator Cursor="Hand">

                <Border BorderBrush="LightGray"
                        BorderThickness="2"
                        Margin="2">

                    <Grid>

                        <Border Grid.Row="1"
                                Grid.Column="0"
                                Margin="2"
                                Background="{DynamicResource buttonPressedBackBrush}"
                                Width="{Binding RadioMarkSize}"
                                HorizontalAlignment="Left"
                                VerticalAlignment="Stretch"
                                Name="LeftRadioMark"/>

                        <ContentPresenter Grid.Row="1"
                                            Grid.Column="1"
                                            HorizontalAlignment="Center"
                                            VerticalAlignment="Center"
                                            Margin="2"/>

                    </Grid>

                </Border>

            </BulletDecorator>

        </ControlTemplate>
    </Setter.Value>
</Setter>