更新

WPFDark/StandardControls/ToolTip.xaml

@@ -0,0 +1,34 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:controls="clr-namespace:WPFDark.Controls"
+                    xmlns:wpf="clr-namespace:WPFDark">
+    <Style TargetType="{x:Type ToolTip}">
+        <Setter Property="FontFamily" Value="{DynamicResource WPFDarkFontFamily}" />
+        <Setter Property="FontSize" Value="13" />
+        <Setter Property="TextOptions.TextRenderingMode" Value="Auto" />
+        <Setter Property="TextOptions.TextFormattingMode" Value="Ideal" />
+        <Setter Property="TextOptions.TextHintingMode" Value="Animated" />
+
+        <Setter Property="VerticalOffset" Value="-48" />
+
+        <Setter Property="OverridesDefaultStyle" Value="True" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ToolTip}">
+                    <controls:BiaClippingBorder Margin="0,0,8,8"
+                                                Background="{DynamicResource PanelBackgroundBrushKey}"
+                                                BorderBrush="{DynamicResource TextBoxBorderBrushKey}"
+                                                BorderThickness="1">
+                        <ContentPresenter Margin="8,4"
+                                          HorizontalAlignment="Left"
+                                          VerticalAlignment="Top" />
+
+                        <Border.Effect>
+                            <DropShadowEffect ShadowDepth="2.0" Color="Black" />
+                        </Border.Effect>
+                    </controls:BiaClippingBorder>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+</ResourceDictionary>