From 4a0f66e51975338697c94453bc4375c27f4dc1d5 Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Wed, 3 Jun 2026 23:21:19 +0800
Subject: [PATCH] enhance: close #1777

---
 .../Themes/Styles/Base/TreeViewBaseStyle.xaml |  1 +
 .../HandyControl_Net_40/Themes/Theme.xaml     |  5 ++++
 .../Controls/Attach/VisualElement.cs          | 23 +++++++++++++++----
 .../Themes/Styles/Base/DataGridBaseStyle.xaml |  2 ++
 .../Themes/Styles/Base/ListBoxBaseStyle.xaml  |  1 +
 .../Themes/Styles/Base/ListViewBaseStyle.xaml |  1 +
 .../Themes/Styles/Base/TreeViewBaseStyle.xaml |  1 +
 .../HandyControl_Shared/Themes/Theme.xaml     |  5 ++++
 8 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml
index 25e782ac..c5d941b4 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml
@@ -72,6 +72,7 @@
                             <MultiTrigger.Conditions>
                                 <Condition Property="IsSelected" Value="true"/>
                                 <Condition Property="IsSelectionActive" Value="false"/>
+                                <Condition Property="hc:VisualElement.StaysHighlighted" Value="false"/>
                             </MultiTrigger.Conditions>
                             <Setter Property="Background" TargetName="Bd" Value="{DynamicResource DarkDefaultBrush}"/>
                             <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
diff --git a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
index 36719a7d..406ede18 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
@@ -9252,6 +9252,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -9358,6 +9359,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -11621,6 +11623,7 @@
 							<MultiTrigger.Conditions>
 								<Condition Property="IsSelected" Value="true" />
 								<Condition Property="IsSelectionActive" Value="false" />
+								<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 							</MultiTrigger.Conditions>
 							<Setter Property="Background" TargetName="Bd" Value="{DynamicResource DarkDefaultBrush}" />
 							<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -11855,6 +11858,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -11907,6 +11911,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
diff --git a/src/Shared/HandyControl_Shared/Controls/Attach/VisualElement.cs b/src/Shared/HandyControl_Shared/Controls/Attach/VisualElement.cs
index cb36d6e8..2bba96ee 100644
--- a/src/Shared/HandyControl_Shared/Controls/Attach/VisualElement.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Attach/VisualElement.cs
@@ -1,12 +1,14 @@
 using System.Windows;
 using System.Windows.Media;
+using HandyControl.Data;
 
 namespace HandyControl.Controls;
 
 public class VisualElement
 {
     public static readonly DependencyProperty HighlightBrushProperty = DependencyProperty.RegisterAttached(
-        "HighlightBrush", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "HighlightBrush", typeof(Brush), typeof(VisualElement),
+        new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetHighlightBrush(DependencyObject element, Brush value)
         => element.SetValue(HighlightBrushProperty, value);
@@ -15,7 +17,8 @@ public class VisualElement
         => (Brush) element.GetValue(HighlightBrushProperty);
 
     public static readonly DependencyProperty HighlightBackgroundProperty = DependencyProperty.RegisterAttached(
-        "HighlightBackground", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "HighlightBackground", typeof(Brush), typeof(VisualElement),
+        new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetHighlightBackground(DependencyObject element, Brush value)
         => element.SetValue(HighlightBackgroundProperty, value);
@@ -24,7 +27,8 @@ public class VisualElement
         => (Brush) element.GetValue(HighlightBackgroundProperty);
 
     public static readonly DependencyProperty HighlightBorderBrushProperty = DependencyProperty.RegisterAttached(
-        "HighlightBorderBrush", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "HighlightBorderBrush", typeof(Brush), typeof(VisualElement),
+        new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetHighlightBorderBrush(DependencyObject element, Brush value)
         => element.SetValue(HighlightBorderBrushProperty, value);
@@ -33,7 +37,8 @@ public class VisualElement
         => (Brush) element.GetValue(HighlightBorderBrushProperty);
 
     public static readonly DependencyProperty HighlightForegroundProperty = DependencyProperty.RegisterAttached(
-        "HighlightForeground", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+        "HighlightForeground", typeof(Brush), typeof(VisualElement),
+        new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Inherits));
 
     public static void SetHighlightForeground(DependencyObject element, Brush value)
         => element.SetValue(HighlightForegroundProperty, value);
@@ -49,4 +54,14 @@ public class VisualElement
 
     public static string GetText(DependencyObject element)
         => (string) element.GetValue(TextProperty);
+
+    public static readonly DependencyProperty StaysHighlightedProperty = DependencyProperty.RegisterAttached(
+        "StaysHighlighted", typeof(bool), typeof(VisualElement),
+        new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
+
+    public static void SetStaysHighlighted(DependencyObject element, bool value)
+        => element.SetValue(StaysHighlightedProperty, value);
+
+    public static bool GetStaysHighlighted(DependencyObject element)
+        => (bool) element.GetValue(StaysHighlightedProperty);
 }
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DataGridBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DataGridBaseStyle.xaml
index 94ca191c..e46179e1 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DataGridBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DataGridBaseStyle.xaml
@@ -85,6 +85,7 @@
                 <MultiTrigger.Conditions>
                     <Condition Property="IsSelected" Value="true"/>
                     <Condition Property="Selector.IsSelectionActive" Value="false"/>
+                    <Condition Property="hc:VisualElement.StaysHighlighted" Value="false"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}"/>
                 <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
@@ -138,6 +139,7 @@
                 <MultiTrigger.Conditions>
                     <Condition Property="IsSelected" Value="true"/>
                     <Condition Property="Selector.IsSelectionActive" Value="false"/>
+                    <Condition Property="hc:VisualElement.StaysHighlighted" Value="false"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}"/>
                 <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListBoxBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListBoxBaseStyle.xaml
index 819023dc..c067cafc 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListBoxBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListBoxBaseStyle.xaml
@@ -35,6 +35,7 @@
                 <MultiTrigger.Conditions>
                     <Condition Property="IsSelected" Value="true"/>
                     <Condition Property="Selector.IsSelectionActive" Value="false"/>
+                    <Condition Property="hc:VisualElement.StaysHighlighted" Value="false"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}"/>
                 <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListViewBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListViewBaseStyle.xaml
index 9255a8a9..90d7c9ae 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListViewBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ListViewBaseStyle.xaml
@@ -70,6 +70,7 @@
                 <MultiTrigger.Conditions>
                     <Condition Property="IsSelected" Value="true"/>
                     <Condition Property="Selector.IsSelectionActive" Value="false"/>
+                    <Condition Property="hc:VisualElement.StaysHighlighted" Value="false"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}"/>
                 <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml
index 2786dd59..d87c72c5 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml
@@ -72,6 +72,7 @@
                             <MultiTrigger.Conditions>
                                 <Condition Property="IsSelected" Value="true"/>
                                 <Condition Property="IsSelectionActive" Value="false"/>
+                                <Condition Property="hc:VisualElement.StaysHighlighted" Value="false"/>
                             </MultiTrigger.Conditions>
                             <Setter Property="Background" TargetName="Bd" Value="{DynamicResource DarkDefaultBrush}"/>
                             <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index a666883d..903e01c3 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -9371,6 +9371,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -9477,6 +9478,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -11740,6 +11742,7 @@
 							<MultiTrigger.Conditions>
 								<Condition Property="IsSelected" Value="true" />
 								<Condition Property="IsSelectionActive" Value="false" />
+								<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 							</MultiTrigger.Conditions>
 							<Setter Property="Background" TargetName="Bd" Value="{DynamicResource DarkDefaultBrush}" />
 							<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -11991,6 +11994,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
@@ -12043,6 +12047,7 @@
 				<MultiTrigger.Conditions>
 					<Condition Property="IsSelected" Value="true" />
 					<Condition Property="Selector.IsSelectionActive" Value="false" />
+					<Condition Property="hc:VisualElement.StaysHighlighted" Value="false" />
 				</MultiTrigger.Conditions>
 				<Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}" />
 				<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />