chore: add avalonia basic TextBox demo.

src/Shared/HandyControlDemo_Shared/Properties/Langs/Lang.cs.resx

@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
+  <!--
+    Microsoft ResX Schema
+
     Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
-    There are any number of "resheader" rows that contain simple 
+
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->
@@ -669,8 +669,8 @@
   <data name="HatchBrushGenerator" xml:space="preserve">
     <value>HatchBrushGenerator</value>
   </data>
-  <data name="Morphing Animation" xml:space="preserve">
-    <value>Morphing Animation</value>
+  <data name="MorphingAnimation" xml:space="preserve">
+    <value>MorphingAnimation</value>
   </data>
   <data name="Divider" xml:space="preserve">
     <value>Divider</value>
@@ -810,4 +810,4 @@
   <data name="ConfettiCannon" xml:space="preserve">
     <value>ConfettiCannon</value>
   </data>
-</root>
+</root>

src/Shared/HandyControl_Shared/Controls/Attach/InfoElement.cs

@@ -9,7 +9,7 @@ public class InfoElement : TitleElement
     ///     占位符
     /// </summary>
     public static readonly DependencyProperty PlaceholderProperty = DependencyProperty.RegisterAttached(
-        "Placeholder", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
+        "Placeholder", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetPlaceholder(DependencyObject element, string value) => element.SetValue(PlaceholderProperty, value);
 
@@ -29,7 +29,7 @@ public class InfoElement : TitleElement
     ///     标记
     /// </summary>
     public static readonly DependencyProperty SymbolProperty = DependencyProperty.RegisterAttached(
-        "Symbol", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
+        "Symbol", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetSymbol(DependencyObject element, string value) => element.SetValue(SymbolProperty, value);
 

src/Shared/HandyControl_Shared/Controls/Attach/TitleElement.cs

@@ -16,7 +16,7 @@ public class TitleElement
         => (string) element.GetValue(TitleProperty);
 
     public static readonly DependencyProperty BackgroundProperty = DependencyProperty.RegisterAttached(
-        "Background", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "Background", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetBackground(DependencyObject element, Brush value)
         => element.SetValue(BackgroundProperty, value);
@@ -25,7 +25,7 @@ public class TitleElement
         => (Brush) element.GetValue(BackgroundProperty);
 
     public static readonly DependencyProperty ForegroundProperty = DependencyProperty.RegisterAttached(
-        "Foreground", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "Foreground", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetForeground(DependencyObject element, Brush value)
         => element.SetValue(ForegroundProperty, value);
@@ -34,7 +34,7 @@ public class TitleElement
         => (Brush) element.GetValue(ForegroundProperty);
 
     public static readonly DependencyProperty BorderBrushProperty = DependencyProperty.RegisterAttached(
-        "BorderBrush", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "BorderBrush", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetBorderBrush(DependencyObject element, Brush value)
         => element.SetValue(BorderBrushProperty, value);