Use BooleanBoxes for default values in DependencyProperty metadata

src/Microsoft.DotNet.Wpf/src/PresentationCore/GlobalUsings.cs

@@ -5,6 +5,8 @@
 global using System.Collections.Generic;
 global using System.Diagnostics;
 
+global using MS.Internal.KnownBoxes;
+
 global using DataFormatsCore = System.Private.Windows.Ole.DataFormatsCore<
     System.Windows.DataFormat>;
 #pragma warning disable IDE0005 // Using directive is unnecessary.

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Automation/AutomationProperties.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 namespace System.Windows.Automation
@@ -246,7 +246,7 @@ public static string GetItemType(DependencyObject element)
                                 "IsColumnHeader",
                                 typeof(bool),
                                 typeof(AutomationProperties),
-                                new UIPropertyMetadata(MS.Internal.KnownBoxes.BooleanBoxes.FalseBox));
+                                new UIPropertyMetadata(BooleanBoxes.FalseBox));
 
         /// <summary>
         /// Helper for setting IsColumnHeader property on a DependencyObject. 
@@ -278,7 +278,7 @@ public static bool GetIsColumnHeader(DependencyObject element)
                                 "IsRowHeader",
                                 typeof(bool),
                                 typeof(AutomationProperties),
-                                new UIPropertyMetadata(MS.Internal.KnownBoxes.BooleanBoxes.FalseBox));
+                                new UIPropertyMetadata(BooleanBoxes.FalseBox));
 
         /// <summary>
         /// Helper for setting IsRowHeader property on a DependencyObject. 
@@ -310,7 +310,7 @@ public static bool GetIsRowHeader(DependencyObject element)
                                 "IsRequiredForForm",
                                 typeof(bool),
                                 typeof(AutomationProperties),
-                                new UIPropertyMetadata(MS.Internal.KnownBoxes.BooleanBoxes.FalseBox));
+                                new UIPropertyMetadata(BooleanBoxes.FalseBox));
 
         /// <summary>
         /// Helper for setting IsRequiredForForm property on a DependencyObject. 
@@ -536,7 +536,7 @@ public static AutomationHeadingLevel GetHeadingLevel(DependencyObject element)
                 "IsDialog",
                 typeof(bool),
                 typeof(AutomationProperties),
-                new UIPropertyMetadata(false));
+                new UIPropertyMetadata(BooleanBoxes.FalseBox));
 
         /// <summary>
         /// Helper for setting IsDialog property on a DependencyObject. 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/ContentElement.cs

@@ -4,7 +4,6 @@
 
 using MS.Internal;
 using MS.Internal.Interop;
-using MS.Internal.KnownBoxes;
 using MS.Internal.PresentationCore;
 using System.Windows.Automation;
 using System.Windows.Automation.Peers;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/EventRoute.cs

@@ -3,7 +3,6 @@
 
 using MS.Utility;
 using MS.Internal;
-using MS.Internal.KnownBoxes;
 
 namespace System.Windows
 {

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/FocusWithinProperty.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using MS.Internal.KnownBoxes;
-
 namespace System.Windows
 {
     /////////////////////////////////////////////////////////////////////////

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Generated/ContentElement.cs

@@ -9,7 +9,6 @@
 //
 
 using MS.Internal;
-using MS.Internal.KnownBoxes;
 using MS.Utility;
 using System.ComponentModel;
 using System.Windows.Input;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Generated/UIElement.cs

@@ -9,7 +9,6 @@
 //
 
 using MS.Internal;
-using MS.Internal.KnownBoxes;
 using MS.Utility;
 using System.ComponentModel;
 using System.Windows.Input;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Generated/UIElement3D.cs

@@ -9,7 +9,6 @@
 //
 
 using MS.Internal;
-using MS.Internal.KnownBoxes;
 using MS.Utility;
 using System.ComponentModel;
 using System.Windows.Input;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/FocusManager.cs

@@ -1,14 +1,9 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-//
-//
-
 using System.ComponentModel;
 using System.Windows.Media;
 using System.Windows.Media.Media3D;
-using MS.Internal.KnownBoxes;
-
 
 namespace System.Windows.Input
 {

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/InputLanguageManager.cs

@@ -63,7 +63,7 @@ public static CultureInfo GetInputLanguage(DependencyObject target)
                         "RestoreInputLanguage",
                         typeof(bool),
                         typeof(InputLanguageManager),
-                        new PropertyMetadata(false)
+                        new PropertyMetadata(BooleanBoxes.FalseBox)
                         );
 
         /// <summary>

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/InputMethod.cs

@@ -213,7 +213,7 @@ internal InputMethod()
                         typeof(bool),
                         typeof(InputMethod),
                         new PropertyMetadata(
-                                true, 
+                                BooleanBoxes.TrueBox,
                                 new PropertyChangedCallback(IsInputMethodEnabled_Changed)));
 
         /// <summary>
@@ -247,7 +247,7 @@ public static bool GetIsInputMethodEnabled(DependencyObject target)
                         "IsInputMethodSuspended",
                         typeof(bool),
                         typeof(InputMethod),
-                        new PropertyMetadata(false));
+                        new PropertyMetadata(BooleanBoxes.FalseBox));
 
         /// <summary>
         /// Setter for IsInputMethodSuspended DependencyProperty
@@ -379,7 +379,7 @@ public static ImeSentenceModeValues GetPreferredImeSentenceMode(DependencyObject
                         "InputScope",
                         typeof(InputScope),
                         typeof(InputMethod),
-                        new PropertyMetadata((InputScope) null));
+                        new PropertyMetadata((InputScope)null));
 
         /// <summary>
         /// Setter for InputScope DependencyProperty

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/Stylus/Common/Stylus.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 namespace System.Windows.Input
@@ -602,7 +602,7 @@ public static void SetIsPressAndHoldEnabled(DependencyObject element, bool enabl
         /// <seealso cref="Stylus.GetIsPressAndHoldEnabled" />
         /// <seealso cref="Stylus.SetIsPressAndHoldEnabled" />
         public static readonly DependencyProperty IsPressAndHoldEnabledProperty
-            = DependencyProperty.RegisterAttached("IsPressAndHoldEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(true));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
+            = DependencyProperty.RegisterAttached("IsPressAndHoldEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(BooleanBoxes.TrueBox));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
 
 
         /// <summary>
@@ -642,7 +642,7 @@ public static void SetIsFlicksEnabled(DependencyObject element, bool enabled)
         /// <seealso cref="Stylus.GetIsFlicksEnabled" />
         /// <seealso cref="Stylus.SetIsFlicksEnabled" />
         public static readonly DependencyProperty IsFlicksEnabledProperty
-            = DependencyProperty.RegisterAttached("IsFlicksEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(true));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
+            = DependencyProperty.RegisterAttached("IsFlicksEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(BooleanBoxes.TrueBox));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
 
 
         /// <summary>
@@ -682,7 +682,7 @@ public static void SetIsTapFeedbackEnabled(DependencyObject element, bool enable
         /// <seealso cref="Stylus.GetIsTapFeedbackEnabled" />
         /// <seealso cref="Stylus.SetIsTapFeedbackEnabled" />
         public static readonly DependencyProperty IsTapFeedbackEnabledProperty
-            = DependencyProperty.RegisterAttached("IsTapFeedbackEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(true));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
+            = DependencyProperty.RegisterAttached("IsTapFeedbackEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(BooleanBoxes.TrueBox));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
 
 
         /// <summary>
@@ -721,7 +721,7 @@ public static void SetIsTouchFeedbackEnabled(DependencyObject element, bool enab
         /// <seealso cref="Stylus.GetIsTouchFeedbackEnabled" />
         /// <seealso cref="Stylus.SetIsTouchFeedbackEnabled" />
         public static readonly DependencyProperty IsTouchFeedbackEnabledProperty
-            = DependencyProperty.RegisterAttached("IsTouchFeedbackEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(true));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
+            = DependencyProperty.RegisterAttached("IsTouchFeedbackEnabled", typeof(bool), typeof(Stylus), new PropertyMetadata(BooleanBoxes.TrueBox));  // note we can't specify inherits in frameworkcore.  new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.Inherits)
 
 
         /////////////////////////////////////////////////////////////////////

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/TouchDevice.cs

@@ -5,7 +5,6 @@
 using System.Windows.Media.Media3D;
 using System.Windows.Threading;
 using MS.Internal;
-using MS.Internal.KnownBoxes;
 using MS.Utility;
 using System.Windows.Input.Tracing;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/InterOp/D3DImage.cs

@@ -5,7 +5,6 @@
 //                  An ImageSource that displays a user created D3D surface
 
 using MS.Internal;
-using MS.Internal.KnownBoxes;
 using MS.Win32.PresentationCore;
 using System.ComponentModel;
 using System.Windows.Media;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/AnimationTimeline.cs

@@ -32,7 +32,7 @@ private static void AnimationTimeline_PropertyChangedFunction(DependencyObject d
                 "IsAdditive",               // Property Name
                 typeof(bool),               // Property Type
                 typeof(AnimationTimeline),  // Owner Class
-                new PropertyMetadata(false,
+                new PropertyMetadata(BooleanBoxes.FalseBox,
                                      new PropertyChangedCallback(AnimationTimeline_PropertyChangedFunction)));
 
         /// <summary>
@@ -43,7 +43,7 @@ private static void AnimationTimeline_PropertyChangedFunction(DependencyObject d
                 "IsCumulative",             // Property Name
                 typeof(bool),               // Property Type
                 typeof(AnimationTimeline),  // Owner Class
-                new PropertyMetadata(false,
+                new PropertyMetadata(BooleanBoxes.FalseBox,
                                      new PropertyChangedCallback(AnimationTimeline_PropertyChangedFunction)));
 
         #endregion

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/EasingQuaternionKeyFrame.cs

@@ -1,11 +1,6 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-//
-// 
-
-using MS.Internal.KnownBoxes;
-
 namespace System.Windows.Media.Animation
 {
     /// <summary>

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/BooleanAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/ByteAnimation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/ByteAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/CharAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/ColorAnimation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/ColorAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/DecimalAnimation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/DecimalAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/DoubleAnimation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/DoubleAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Int16Animation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Int16AnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Int32Animation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Int32AnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Int64Animation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Int64AnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/MatrixAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/ObjectAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Point3DAnimation.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Globalization;
 using System.Windows.Media.Media3D;
 

src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Media/Animation/Generated/Point3DAnimationUsingKeyFrames.cs

@@ -8,7 +8,6 @@
 // Please see MilCodeGen.html for more information.
 //
 
-using MS.Internal.KnownBoxes;
 using System.Collections;
 using System.ComponentModel;
 using System.Windows.Markup;