添加项目文件。

Wpf.Ui.Extend/Resources/Variables.xaml

@@ -0,0 +1,10 @@
+<ResourceDictionary
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:system="clr-namespace:System;assembly=System.Runtime">
+    <CornerRadius x:Key="ControlTopCornerRadius">3.5,3.5,0,0</CornerRadius>
+    <system:Double x:Key="ColorPickerRadius">4</system:Double>
+    <Thickness x:Key="ThumbMargin">-5,-5,0,0</Thickness>
+    <system:Double x:Key="ThumbSize">10</system:Double>
+    <Thickness x:Key="ControlMargin">5</Thickness>
+</ResourceDictionary>