how to set text in background of control

I want to set some default text in background of control (e.g. TreeView, ListView, GridView etc). Text is shown when no item in items c开发者_运维技巧ontrol and hides when items control is not empty.

I imagine it like this:

i use the following style for this.

<Style x:Key="{x:Type ItemsControl}" TargetType="{x:Type ItemsControl}">
    <Setter Property="Background" Value="Transparent"/>
    <Style.Triggers>
        <DataTrigger Binding="{Binding Items.Count, RelativeSource={RelativeSource Self}}" Value="0">
            <Setter Property="Background">
                <Setter.Value>
                    <VisualBrush Stretch="None">
                        <VisualBrush.Visual>
                            <TextBlock Text="No Data" 
                                       FontFamily="Consolas"
                                       FontSize="16"/>
                        </VisualBrush.Visual>
                    </VisualBrush>
                </Setter.Value>
            </Setter>
        </DataTrigger>
        <DataTrigger Binding="{Binding Items, RelativeSource={RelativeSource Self}}" Value="{x:Null}">
            <Setter Property="Background">
                <Setter.Value>
                    <VisualBrush Stretch="None">
                        <VisualBrush.Visual>
                            <TextBlock Text="No Data" 
                                       FontFamily="Consolas"
                                       FontSize="16"/>
                        </VisualBrush.Visual>
                    </VisualBrush>
                </Setter.Value>
            </Setter>
        </DataTrigger>
        <Trigger Property="IsGrouping" Value="true">
            <Setter Property="ScrollViewer.CanContentScroll" Value="false"/>
        </Trigger>
    </Style.Triggers>
</Style>
<Style x:Key="{x:Type DataGrid}" TargetType="{x:Type DataGrid}" BasedOn="{StaticResource {x:Type ItemsControl}}">
</Style>
<Style x:Key="{x:Type TreeView}" TargetType="{x:Type TreeView}" BasedOn="{StaticResource {x:Type ItemsControl}}">
</Style>

There is likely a .Background property on the class. You can make an element out of it like:

<Button.Background>
  <!-- content -->
</Button.Background>

This will allow you to place content inside it.

Also you can use a VisualBrush if you need a more complex background. You can create a VisualBrush out of any control in WPF. If you want a Brush with Labels in a Grid it can be done.