<Grid>
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="Auto"/>
                                        <RowDefinition Height="*"/>
                                    </Grid.RowDefinitions>
 
                                    <VisualStateManager.VisualStateGroups>
...
                                    </VisualStateManager.VisualStateGroups>
 
                                    <Rectangle x:Name="SelectedBackground" _
                                      Grid.Row="1" RadiusX="1" RadiusY="1" _
                                      Opacity="0" Fill="{TemplateBinding" & _
                                      "Background}"/>
                                    <Rectangle x:Name="Background" Grid.Row="1" _
                                    RadiusX="1" RadiusY="1" Opacity="0" _
                                    Fill="{TemplateBinding Background}" />
                                    <Rectangle x:Name="InactiveBackground" _
                                    Grid.Row="1" RadiusX="1" RadiusY="1" _
                                    Opacity="0" Fill="#FFA5BFE1"/>
...
                                   <Rectangle Width="0" _
                                     x:Name="DayButtonFocusVisual" Grid.Row="1" _
                                     Visibility="Collapsed" _
                                     IsHitTestVisible="false" RadiusX="1" _
                                     RadiusY="1" Stroke="#FF45D6FA"/>
 
                                    <ListBox x:Name="appointmentsLbx" _
                                      Grid.Row="1" Background="Transparent" _
                                      BorderBrush="Transparent" _
                                      HorizontalContentAlignment="Center" _
                                      FontSize="9">
                                        <ListBox.ItemsSource>
                                            <MultiBinding _
                                              Converter="{StaticResource" & _
                                              "TerminFilter}">
                                                <Binding _
                                                RelativeSource="{RelativeSource" & _
                                                "Mode=FindAncestor," & _
                                                "AncestorType={x:Type" & _
                                                "Calendar}}" Path="Termine"/>
                                                <Binding _
                                                RelativeSource="{RelativeSource" & _
                                                "Mode=Self}" Path="DataContext"/>
                                            </MultiBinding>
                                        </ListBox.ItemsSource>
                                        <ListBox.ItemTemplate>
                                            <DataTemplate>
                                                <Border Background="#FFDFE8F5" _
                                                  BorderBrush="#FF5D8CC9" _
                                                  BorderThickness="1" _
                                                  CornerRadius="2">
                                                    <TextBlock _
                                                    HorizontalAlignment="Cente" & _
                                                    "" Text="{Binding Titel}" _
                                                    Width="50" _
                                                    TextAlignment="Center" />
                                                </Border>
                                            </DataTemplate>
                                        </ListBox.ItemTemplate>
                                    </ListBox>
 
                                </Grid>