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Calendar Styles and Templates

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This topic describes the styles and templates for the Calendar control. You can modify the default ControlTemplate to give the control a unique appearance. For more information, see Create a template for a control.

Calendar Parts

The following table lists the named parts for the Calendar control.

Part Type Description
PART_CalendarItem CalendarItem The currently displayed month or year on the Calendar.
PART_Root Panel The panel that contains the CalendarItem.

Calendar States

The following table lists the visual states for the Calendar control.

VisualState Name VisualStateGroup Name Description
Valid ValidationStates The control uses the Validation class and the Validation.HasError attached property is false.
InvalidFocused ValidationStates The Validation.HasError attached property is true has the control has focus.
InvalidUnfocused ValidationStates The Validation.HasError attached property is true has the control does not have focus.

CalendarItem Parts

The following table lists the named parts for the CalendarItem control.

Part Type Description
PART_Root FrameworkElement The root of the control.
PART_PreviousButton Button The button that displays the previous page of the calendar when it is clicked.
PART_NextButton Button The button that displays the next page of the calendar when it is clicked.
PART_HeaderButton Button The button that allows switching between month mode, year mode, and decade mode.
PART_MonthView Grid Hosts the content when in month mode.
PART_YearView Grid Hosts the content when in year or decade mode.
PART_DisabledVisual FrameworkElement The overlay for the disabled state.
DayTitleTemplate DataTemplate The DataTemplate that describes the visual structure.

CalendarItem States

The following table lists the visual states for the CalendarItem control.

VisualState Name VisualStateGroup Name Description
Normal State CommonStates The default state.
Disabled State CommonStates The state of the calendar when the IsEnabled property is false.
Valid ValidationStates The control uses the Validation class and the Validation.HasError attached property is false.
InvalidFocused ValidationStates The Validation.HasError attached property is true has the control has focus.
InvalidUnfocused ValidationStates The Validation.HasError attached property is true has the control does not have focus.
Valid ValidationStates The control uses the Validation class and the Validation.HasError attached property is false.
InvalidFocused ValidationStates The Validation.HasError attached property is true has the control has focus.
InvalidUnfocused ValidationStates The Validation.HasError attached property is true has the control does not have focus.

CalendarDayButton Parts

The CalendarDayButton control does not have any named parts.

CalendarDayButton States

The following table lists the visual states for the CalendarDayButton control.

VisualState Name VisualStateGroup Name Description
Normal CommonStates The default state.
Disabled CommonStates The CalendarDayButton is disabled.
MouseOver CommonStates The mouse pointer is positioned over the CalendarDayButton.
Pressed CommonStates The CalendarDayButton is pressed.
Selected SelectionStates The button is selected.
Unselected SelectionStates The button is not selected.
CalendarButtonFocused CalendarButtonFocusStates The button has focus.
CalendarButtonUnfocused CalendarButtonFocusStates The button does not have focus.
Focused FocusStates The button has focus.
Unfocused FocusStates The button does not have focus.
Active ActiveStates The button is active.
Inactive ActiveStates The button is inactive.
RegularDay DayStates The button does not represent DateTime.Today.
Today DayStates The button represents DateTime.Today.
NormalDay BlackoutDayStates The button represents a day that can be selected.
BlackoutDay BlackoutDayStates The button represents a day that cannot be selected.
Valid ValidationStates The control uses the Validation class and the Validation.HasError attached property is false.
InvalidFocused ValidationStates The Validation.HasError attached property is true has the control has focus.
InvalidUnfocused ValidationStates The Validation.HasError attached property is true has the control does not have focus.

CalendarButton Parts

The CalendarButton control does not have any named parts.

CalendarButton States

The following table lists the visual states for the CalendarButton control.

VisualState Name VisualStateGroup Name Description
Normal CommonStates The default state.
Disabled CommonStates The CalendarButton is disabled.
MouseOver CommonStates The mouse pointer is positioned over the CalendarButton.
Pressed CommonStates The CalendarButton is pressed.
Selected SelectionStates The button is selected.
Unselected SelectionStates The button is not selected.
CalendarButtonFocused CalendarButtonFocusStates The button has focus.
CalendarButtonUnfocused CalendarButtonFocusStates The button does not have focus.
Focused FocusStates The button has focus.
Unfocused FocusStates The button does not have focus.
Active ActiveStates The button is active.
Inactive ActiveStates The button is inactive.
Valid ValidationStates The control uses the Validation class and the Validation.HasError attached property is false.
InvalidFocused ValidationStates The Validation.HasError attached property is true has the control has focus.
InvalidUnfocused ValidationStates The Validation.HasError attached property is true has the control does not have focus.

Calendar ControlTemplate Example

The following example shows how to define a ControlTemplate for the Calendar control and associated types.

<!--Style for the days of a month.-->
<Style TargetType="CalendarDayButton"
       x:Key="CalendarDayButtonStyle">
  <Setter Property="MinWidth"
          Value="5" />
  <Setter Property="MinHeight"
          Value="5" />
  <Setter Property="FontSize"
          Value="10" />
  <Setter Property="HorizontalContentAlignment"
          Value="Center" />
  <Setter Property="VerticalContentAlignment"
          Value="Center" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="CalendarDayButton">
        <Grid>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup Name="CommonStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0:0:0.1" />
              </VisualStateGroup.Transitions>
              <VisualState Name="Normal" />
              <VisualState Name="MouseOver">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="HighlightBackground"
                                   Storyboard.TargetProperty="Opacity"
                                   To="0.5"
                                   Duration="0" />
                </Storyboard>
              </VisualState>
              <VisualState Name="Pressed">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="HighlightBackground"
                                   Storyboard.TargetProperty="Opacity"
                                   To="0.5"
                                   Duration="0" />
                </Storyboard>
              </VisualState>
              <VisualState Name="Disabled">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="HighlightBackground"
                                   Storyboard.TargetProperty="Opacity"
                                   To="0"
                                   Duration="0" />
                  <DoubleAnimation Storyboard.TargetName="NormalText"
                                   Storyboard.TargetProperty="Opacity"
                                   To=".35"
                                   Duration="0" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="SelectionStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="Unselected" />
              <VisualState Name="Selected">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="SelectedBackground"
                                   Storyboard.TargetProperty="Opacity"
                                   To=".75"
                                   Duration="0" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="CalendarButtonFocusStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="CalendarButtonFocused">
                <Storyboard>
                  <ObjectAnimationUsingKeyFrames Storyboard.TargetName="DayButtonFocusVisual"
                                                 Storyboard.TargetProperty="Visibility"
                                                 Duration="0">
                    <DiscreteObjectKeyFrame KeyTime="0">
                      <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                      </DiscreteObjectKeyFrame.Value>
                    </DiscreteObjectKeyFrame>
                  </ObjectAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState Name="CalendarButtonUnfocused">
                <Storyboard>
                  <ObjectAnimationUsingKeyFrames Storyboard.TargetName="DayButtonFocusVisual"
                                                 Storyboard.TargetProperty="Visibility"
                                                 Duration="0">
                    <DiscreteObjectKeyFrame KeyTime="0">
                      <DiscreteObjectKeyFrame.Value>
                        <Visibility>Collapsed</Visibility>
                      </DiscreteObjectKeyFrame.Value>
                    </DiscreteObjectKeyFrame>
                  </ObjectAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="ActiveStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="Active" />
              <VisualState Name="Inactive">
                <Storyboard>
                  <ColorAnimation Duration="0"
                                  Storyboard.TargetName="NormalText"
                                  Storyboard.TargetProperty="(TextElement.Foreground).
                      (SolidColorBrush.Color)"
                                  To="#FF777777" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="DayStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="RegularDay" />
              <VisualState Name="Today">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="TodayBackground"
                                   Storyboard.TargetProperty="Opacity"
                                   To="1"
                                   Duration="0" />
                  <ColorAnimation Duration="0"
                                  Storyboard.TargetName="NormalText"
                                  Storyboard.TargetProperty="(TextElement.Foreground).
                      (SolidColorBrush.Color)"
                                  To="#FFFFFFFF" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="BlackoutDayStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="NormalDay" />
              <VisualState Name="BlackoutDay">
                <Storyboard>
                  <DoubleAnimation Duration="0"
                                   Storyboard.TargetName="Blackout"
                                   Storyboard.TargetProperty="Opacity"
                                   To=".2" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <Rectangle x:Name="TodayBackground"
                     RadiusX="1"
                     RadiusY="1"
                     Opacity="0">
            <Rectangle.Fill>
              <SolidColorBrush Color="{DynamicResource SelectedBackgroundColor}" />
            </Rectangle.Fill>
          </Rectangle>
          <Rectangle x:Name="SelectedBackground"
                     RadiusX="1"
                     RadiusY="1"
                     Opacity="0">
            <Rectangle.Fill>
              <SolidColorBrush Color="{DynamicResource SelectedBackgroundColor}" />
            </Rectangle.Fill>
          </Rectangle>
          <Border Background="{TemplateBinding Background}"
                  BorderThickness="{TemplateBinding BorderThickness}"
                  BorderBrush="{TemplateBinding BorderBrush}" />
          <Rectangle x:Name="HighlightBackground"
                     RadiusX="1"
                     RadiusY="1"
                     Opacity="0">
            <Rectangle.Fill>
              <SolidColorBrush Color="{DynamicResource ControlMouseOverColor}" />
            </Rectangle.Fill>
          </Rectangle>
          <ContentPresenter x:Name="NormalText"
                            HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                            VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                            Margin="5,1,5,1">
            <TextElement.Foreground>
              <SolidColorBrush Color="#FF333333" />
            </TextElement.Foreground>
          </ContentPresenter>
          <Path x:Name="Blackout"
                Opacity="0"
                Margin="3"
                HorizontalAlignment="Stretch"
                VerticalAlignment="Stretch"
                RenderTransformOrigin="0.5,0.5"
                Fill="#FF000000"
                Stretch="Fill"
                Data="M8.1772461,11.029181 L10.433105,
                  11.029181 L11.700684,12.801641 L12.973633,
                  11.029181 L15.191895,11.029181 L12.844727,
                  13.999395 L15.21875,17.060919 L12.962891,
                  17.060919 L11.673828,15.256231 L10.352539,
                  17.060919 L8.1396484,17.060919 L10.519043,
                  14.042364 z" />
          <Rectangle x:Name="DayButtonFocusVisual"
                     Visibility="Collapsed"
                     IsHitTestVisible="false"
                     RadiusX="1"
                     RadiusY="1">
            <Rectangle.Stroke>
              <SolidColorBrush Color="{DynamicResource SelectedBackgroundColor}" />
            </Rectangle.Stroke>
          </Rectangle>
        </Grid>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!--Style for the months of a year and years of a decade.-->
<Style TargetType="CalendarButton"
       x:Key="CalendarButtonStyle">
  <Setter Property="MinWidth"
          Value="40" />
  <Setter Property="MinHeight"
          Value="42" />
  <Setter Property="FontSize"
          Value="10" />
  <Setter Property="HorizontalContentAlignment"
          Value="Center" />
  <Setter Property="VerticalContentAlignment"
          Value="Center" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="CalendarButton">
        <Grid>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup Name="CommonStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0:0:0.1" />
              </VisualStateGroup.Transitions>
              <VisualState Name="Normal" />
              <VisualState Name="MouseOver">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="Background"
                                   Storyboard.TargetProperty="Opacity"
                                   To=".5"
                                   Duration="0" />
                </Storyboard>
              </VisualState>
              <VisualState Name="Pressed">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="Background"
                                   Storyboard.TargetProperty="Opacity"
                                   To=".5"
                                   Duration="0" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="SelectionStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="Unselected" />
              <VisualState Name="Selected">
                <Storyboard>
                  <DoubleAnimation Storyboard.TargetName="SelectedBackground"
                                   Storyboard.TargetProperty="Opacity"
                                   To=".75"
                                   Duration="0" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="ActiveStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="Active" />
              <VisualState Name="Inactive">
                <Storyboard>
                  <ColorAnimation Duration="0"
                                  Storyboard.TargetName="NormalText"
                                  Storyboard.TargetProperty="(TextElement.Foreground).
                      (SolidColorBrush.Color)"
                                  To="#FF777777" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
            <VisualStateGroup Name="CalendarButtonFocusStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0" />
              </VisualStateGroup.Transitions>
              <VisualState Name="CalendarButtonFocused">
                <Storyboard>
                  <ObjectAnimationUsingKeyFrames Duration="0"
                                                 Storyboard.TargetName="CalendarButtonFocusVisual"
                                                 Storyboard.TargetProperty="Visibility">
                    <DiscreteObjectKeyFrame KeyTime="0">
                      <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                      </DiscreteObjectKeyFrame.Value>
                    </DiscreteObjectKeyFrame>
                  </ObjectAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState Name="CalendarButtonUnfocused" />
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <Rectangle x:Name="SelectedBackground"
                     RadiusX="1"
                     RadiusY="1"
                     Opacity="0">
            <Rectangle.Fill>
              <SolidColorBrush Color="{DynamicResource SelectedBackgroundColor}" />
            </Rectangle.Fill>
          </Rectangle>
          <Rectangle x:Name="Background"
                     RadiusX="1"
                     RadiusY="1"
                     Opacity="0">
            <Rectangle.Fill>
              <SolidColorBrush Color="{DynamicResource SelectedBackgroundColor}" />
            </Rectangle.Fill>
          </Rectangle>
          <ContentPresenter x:Name="NormalText"
                            HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                            VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                            Margin="1,0,1,1">
            <TextElement.Foreground>
              <SolidColorBrush Color="#FF333333" />
            </TextElement.Foreground>
          </ContentPresenter>
          <Rectangle x:Name="CalendarButtonFocusVisual"
                     Visibility="Collapsed"
                     IsHitTestVisible="false"
                     RadiusX="1"
                     RadiusY="1">
            <Rectangle.Stroke>
              <SolidColorBrush Color="{DynamicResource SelectedBackgroundColor}" />
            </Rectangle.Stroke>
          </Rectangle>
        </Grid>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
  <Setter Property="Background">
    <Setter.Value>
      <SolidColorBrush Color="{DynamicResource ControlMediumColor}" />
    </Setter.Value>
  </Setter>
</Style>

<!--Button to go to the previous month or year.-->
<ControlTemplate x:Key="PreviousButtonTemplate"
                 TargetType="{x:Type Button}">
  <Grid Cursor="Hand">
    <VisualStateManager.VisualStateGroups>
      <VisualStateGroup x:Name="CommonStates">
        <VisualState x:Name="Normal" />
        <VisualState x:Name="MouseOver">
          <Storyboard>
            <ColorAnimation Duration="0"
                            Storyboard.TargetName="path"
                            Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"
                            To="{DynamicResource GlyphMouseOver}" />
          </Storyboard>
        </VisualState>
        <VisualState x:Name="Disabled">
          <Storyboard>
            <DoubleAnimation Duration="0"
                             To=".5"
                             Storyboard.TargetProperty="(Shape.Fill).(Brush.Opacity)"
                             Storyboard.TargetName="path" />
          </Storyboard>
        </VisualState>
      </VisualStateGroup>
    </VisualStateManager.VisualStateGroups>
    <!--<Rectangle Fill="Transparent" Opacity="1" Stretch="Fill"/>-->
    <Grid  Background="Transparent">
      <Path x:Name="path"
            Margin="14,-6,0,0"
            Stretch="Fill"
            HorizontalAlignment="Left"
            Height="10"
            VerticalAlignment="Center"
            Width="6"
            Data="M288.75,232.25 L288.75,240.625 L283,236.625 z">
        <Path.Fill>
          <SolidColorBrush Color="{DynamicResource GlyphColor}" />
        </Path.Fill>
      </Path>
    </Grid>
  </Grid>
</ControlTemplate>

<!--Button to go to the next month or year.-->
<ControlTemplate x:Key="NextButtonTemplate"
                 TargetType="{x:Type Button}">
  <Grid Cursor="Hand">
    <VisualStateManager.VisualStateGroups>
      <VisualStateGroup x:Name="CommonStates">
        <VisualState x:Name="Normal" />
        <VisualState x:Name="MouseOver">
          <Storyboard>
            <ColorAnimation Duration="0"
                            To="{StaticResource GlyphMouseOver}"
                            Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"
                            Storyboard.TargetName="path" />
          </Storyboard>
        </VisualState>
        <VisualState x:Name="Disabled">
          <Storyboard>
            <DoubleAnimation Duration="0"
                             To=".5"
                             Storyboard.TargetProperty="(Shape.Fill).(Brush.Opacity)"
                             Storyboard.TargetName="path" />
          </Storyboard>
        </VisualState>
      </VisualStateGroup>
    </VisualStateManager.VisualStateGroups>
    <!--<Rectangle Fill="#11E5EBF1" Opacity="1" Stretch="Fill"/>-->
    <Grid Background="Transparent">
      <Path x:Name="path"
            Data="M282.875,231.875 L282.875,240.375 L288.625,236 z"
            HorizontalAlignment="Right"
            Height="10"
            Margin="0,-6,14,0"
            Stretch="Fill"
            VerticalAlignment="Center"
            Width="6">
        <Path.Fill>
          <SolidColorBrush Color="{DynamicResource GlyphColor}" />
        </Path.Fill>
      </Path>
    </Grid>
  </Grid>
</ControlTemplate>

<!--Button to go up a level to the year or decade.-->
<ControlTemplate x:Key="HeaderButtonTemplate"
                 TargetType="{x:Type Button}">
  <Grid Cursor="Hand">
    <VisualStateManager.VisualStateGroups>
      <VisualStateGroup x:Name="CommonStates">
        <VisualState x:Name="Normal" />
        <VisualState x:Name="MouseOver">
          <Storyboard>
            <ColorAnimation Duration="0"
                            To="{DynamicResource GlyphMouseOver}"
                            Storyboard.TargetProperty="(TextElement.Foreground).
                (SolidColorBrush.Color)"
                            Storyboard.TargetName="buttonContent" />
          </Storyboard>
        </VisualState>
        <VisualState x:Name="Disabled">
          <Storyboard>
            <DoubleAnimation Duration="0"
                             To=".5"
                             Storyboard.TargetProperty="Opacity"
                             Storyboard.TargetName="buttonContent" />
          </Storyboard>
        </VisualState>
      </VisualStateGroup>
    </VisualStateManager.VisualStateGroups>
    <ContentPresenter x:Name="buttonContent"
                      Margin="1,4,1,9"
                      ContentTemplate="{TemplateBinding ContentTemplate}"
                      Content="{TemplateBinding Content}"
                      TextElement.Foreground="#FF333333"
                      HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                      VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
  </Grid>
</ControlTemplate>

<Style x:Key="CalendarItemStyle" TargetType="{x:Type CalendarItem}">
  <Setter Property="Margin"
          Value="0,3,0,3" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type CalendarItem}">
        <ControlTemplate.Resources>
          <DataTemplate x:Key="{x:Static CalendarItem.DayTitleTemplateResourceKey}">
            <TextBlock Foreground="#FF333333"
                       FontWeight="Bold"
                       FontSize="9.5"
                       FontFamily="Verdana"
                       Margin="0,6,0,6"
                       Text="{Binding}"
                       HorizontalAlignment="Center"
                       VerticalAlignment="Center" />
          </DataTemplate>
        </ControlTemplate.Resources>
        <Grid x:Name="PART_Root">
          <Grid.Resources>
            <SolidColorBrush x:Key="DisabledColor"
                             Color="#A5FFFFFF" />
          </Grid.Resources>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="CommonStates">
              <VisualState x:Name="Normal" />
              <VisualState x:Name="Disabled">
                <Storyboard>
                  <DoubleAnimation Duration="0"
                                   To="1"
                                   Storyboard.TargetProperty="Opacity"
                                   Storyboard.TargetName="PART_DisabledVisual" />
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <Border BorderBrush="{TemplateBinding BorderBrush}"
                  BorderThickness="{TemplateBinding BorderThickness}"
                  Background="{TemplateBinding Background}"
                  CornerRadius="1">
            <Border BorderBrush="#FFFFFFFF"
                    BorderThickness="2"
                    CornerRadius="1">
              <Grid>
                <Grid.Resources>
                </Grid.Resources>
                <Grid.ColumnDefinitions>
                  <ColumnDefinition Width="Auto" />
                  <ColumnDefinition Width="Auto" />
                  <ColumnDefinition Width="Auto" />
                </Grid.ColumnDefinitions>
                <Grid.RowDefinitions>
                  <RowDefinition Height="Auto" />
                  <RowDefinition Height="*" />
                </Grid.RowDefinitions>
                <Button x:Name="PART_PreviousButton"
                        Template="{StaticResource PreviousButtonTemplate}"
                        Focusable="False"
                        HorizontalAlignment="Left"
                        Grid.Column="0"
                        Grid.Row="0"
                        Height="20"
                        Width="28" />
                <Button x:Name="PART_HeaderButton"
                        FontWeight="Bold"
                        Focusable="False"
                        FontSize="10.5"
                        HorizontalAlignment="Center"
                        VerticalAlignment="Center"
                        Grid.Column="1"
                        Grid.Row="0"
                        Template="{StaticResource HeaderButtonTemplate}" />
                <Button x:Name="PART_NextButton"
                        Focusable="False"
                        HorizontalAlignment="Right"
                        Grid.Column="2"
                        Grid.Row="0"
                        Template="{StaticResource NextButtonTemplate}"
                        Height="20"
                        Width="28" />
                <Grid x:Name="PART_MonthView"
                      Visibility="Visible"
                      Grid.ColumnSpan="3"
                      Grid.Row="1"
                      Margin="6,-1,6,6"
                      HorizontalAlignment="Center">
                  <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                  </Grid.ColumnDefinitions>
                  <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                  </Grid.RowDefinitions>
                </Grid>
                <Grid x:Name="PART_YearView"
                      Visibility="Hidden"
                      Grid.ColumnSpan="3"
                      Grid.Row="1"
                      HorizontalAlignment="Center"
                      Margin="6,-3,7,6">
                  <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="Auto" />
                  </Grid.ColumnDefinitions>
                  <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                  </Grid.RowDefinitions>
                </Grid>
              </Grid>
            </Border>
          </Border>
          <Rectangle x:Name="PART_DisabledVisual"
                     Fill="{StaticResource DisabledColor}"
                     Opacity="0"
                     RadiusY="2"
                     RadiusX="2"
                     Stretch="Fill"
                     Stroke="{StaticResource DisabledColor}"
                     StrokeThickness="1"
                     Visibility="Collapsed" />
        </Grid>
        <ControlTemplate.Triggers>
          <Trigger Property="IsEnabled"
                   Value="False">
            <Setter Property="Visibility"
                    TargetName="PART_DisabledVisual"
                    Value="Visible" />
          </Trigger>
          <DataTrigger Binding="{Binding DisplayMode, 
              RelativeSource={RelativeSource FindAncestor, 
              AncestorType={x:Type Calendar}}}"
                       Value="Year">
            <Setter Property="Visibility"
                    TargetName="PART_MonthView"
                    Value="Hidden" />
            <Setter Property="Visibility"
                    TargetName="PART_YearView"
                    Value="Visible" />
          </DataTrigger>
          <DataTrigger Binding="{Binding DisplayMode, 
              RelativeSource={RelativeSource FindAncestor, 
              AncestorType={x:Type Calendar}}}"
                       Value="Decade">
            <Setter Property="Visibility"
                    TargetName="PART_MonthView"
                    Value="Hidden" />
            <Setter Property="Visibility"
                    TargetName="PART_YearView"
                    Value="Visible" />
          </DataTrigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<Style TargetType="{x:Type Calendar}">
  <Setter Property="CalendarButtonStyle"
          Value="{StaticResource CalendarButtonStyle}" />
  <Setter Property="CalendarDayButtonStyle"
          Value="{StaticResource CalendarDayButtonStyle}" />
  <Setter Property="CalendarItemStyle"
          Value="{StaticResource CalendarItemStyle}" />
  <Setter Property="Foreground"
          Value="#FF333333" />
  <Setter Property="Background">
    <Setter.Value>
      <LinearGradientBrush EndPoint="0.5,1"
                           StartPoint="0.5,0">

        <!--The first two gradient stops specifies the background for 
            the calendar's heading and navigation buttons.-->
        <GradientStop Color="{DynamicResource HeaderTopColor}"
                      Offset="0" />
        <GradientStop Color="{DynamicResource ControlMediumColor}"
                      Offset="0.16" />

        <!--The next gradient stop specifies the background for 
            the calendar area.-->
        <GradientStop Color="{DynamicResource ControlLightColor}"
                      Offset="0.16" />
      </LinearGradientBrush>
    </Setter.Value>
  </Setter>
  <Setter Property="BorderBrush">
    <Setter.Value>
      <LinearGradientBrush EndPoint="0,1"
                           StartPoint="0,0">
        <GradientStop Color="{DynamicResource BorderLightColor}"
                      Offset="0" />
        <GradientStop Color="{DynamicResource BorderDarkColor}"
                      Offset="1" />
      </LinearGradientBrush>
    </Setter.Value>
  </Setter>
  <Setter Property="BorderThickness"
          Value="1" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type Calendar}">
        <StackPanel x:Name="PART_Root"
                    HorizontalAlignment="Center">
          <CalendarItem x:Name="PART_CalendarItem"
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}"
                        Background="{TemplateBinding Background}"
                        Style="{TemplateBinding CalendarItemStyle}" />
        </StackPanel>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

The preceding example uses one or more of the following resources.

<!--Control colors.-->
<Color x:Key="WindowColor">#FFE8EDF9</Color>
<Color x:Key="ContentAreaColorLight">#FFC5CBF9</Color>
<Color x:Key="ContentAreaColorDark">#FF7381F9</Color>

<Color x:Key="DisabledControlLightColor">#FFE8EDF9</Color>
<Color x:Key="DisabledControlDarkColor">#FFC5CBF9</Color>
<Color x:Key="DisabledForegroundColor">#FF888888</Color>

<Color x:Key="SelectedBackgroundColor">#FFC5CBF9</Color>
<Color x:Key="SelectedUnfocusedColor">#FFDDDDDD</Color>

<Color x:Key="ControlLightColor">White</Color>
<Color x:Key="ControlMediumColor">#FF7381F9</Color>
<Color x:Key="ControlDarkColor">#FF211AA9</Color>

<Color x:Key="ControlMouseOverColor">#FF3843C4</Color>
<Color x:Key="ControlPressedColor">#FF211AA9</Color>


<Color x:Key="GlyphColor">#FF444444</Color>
<Color x:Key="GlyphMouseOver">sc#1, 0.004391443, 0.002428215, 0.242281124</Color>

<!--Border colors-->
<Color x:Key="BorderLightColor">#FFCCCCCC</Color>
<Color x:Key="BorderMediumColor">#FF888888</Color>
<Color x:Key="BorderDarkColor">#FF444444</Color>

<Color x:Key="PressedBorderLightColor">#FF888888</Color>
<Color x:Key="PressedBorderDarkColor">#FF444444</Color>

<Color x:Key="DisabledBorderLightColor">#FFAAAAAA</Color>
<Color x:Key="DisabledBorderDarkColor">#FF888888</Color>

<Color x:Key="DefaultBorderBrushDarkColor">Black</Color>

<!--Control-specific resources.-->
<Color x:Key="HeaderTopColor">#FFC5CBF9</Color>
<Color x:Key="DatagridCurrentCellBorderColor">Black</Color>
<Color x:Key="SliderTrackDarkColor">#FFC5CBF9</Color>

<Color x:Key="NavButtonFrameColor">#FF3843C4</Color>

<LinearGradientBrush x:Key="MenuPopupBrush"
                     EndPoint="0.5,1"
                     StartPoint="0.5,0">
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="0" />
  <GradientStop Color="{DynamicResource ControlMediumColor}"
                Offset="0.5" />
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="1" />
</LinearGradientBrush>

<LinearGradientBrush x:Key="ProgressBarIndicatorAnimatedFill"
                     StartPoint="0,0"
                     EndPoint="1,0">
  <LinearGradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#000000FF"
                    Offset="0" />
      <GradientStop Color="#600000FF"
                    Offset="0.4" />
      <GradientStop Color="#600000FF"
                    Offset="0.6" />
      <GradientStop Color="#000000FF"
                    Offset="1" />
    </GradientStopCollection>
  </LinearGradientBrush.GradientStops>
</LinearGradientBrush>

For the complete sample, see Styling with ControlTemplates Sample.

See also