fix: close #1302

src/Net_40/HandyControl_Net_40/Themes/Styles/Base/TreeViewBaseStyle.xaml

@@ -77,7 +77,7 @@
                             <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
                         </MultiTrigger>
                         <Trigger Property="IsEnabled" Value="false">
-                            <Setter Property="Foreground" Value="{StaticResource {x:Static SystemColors.GrayTextBrushKey}}"/>
+                            <Setter Property="Opacity" Value=".4" />
                         </Trigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
@@ -105,19 +105,14 @@
                         <hc:ToggleBlock IsChecked="{Binding HasItems,RelativeSource={RelativeSource TemplatedParent},Mode=OneWay}" VerticalContentAlignment="Stretch" HorizontalContentAlignment="Stretch">
                             <hc:ToggleBlock.CheckedContent>
                                 <hc:ScrollViewer IsInertiaEnabled="{Binding Path=(hc:ScrollViewer.IsInertiaEnabled),RelativeSource={RelativeSource TemplatedParent}}" CanContentScroll="false" Focusable="false" HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
-                                    <ItemsPresenter/>
+                                    <ItemsPresenter />
                                 </hc:ScrollViewer>
                             </hc:ToggleBlock.CheckedContent>
                             <hc:ToggleBlock.UnCheckedContent>
-                                <hc:Empty/>
+                                <hc:Empty />
                             </hc:ToggleBlock.UnCheckedContent>
                         </hc:ToggleBlock>
                     </Border>
-                    <ControlTemplate.Triggers>
-                        <Trigger Property="IsEnabled" Value="false">
-                            <Setter Property="Background" TargetName="Bd" Value="{StaticResource {x:Static SystemColors.ControlBrushKey}}"/>
-                        </Trigger>
-                    </ControlTemplate.Triggers>
                 </ControlTemplate>
             </Setter.Value>
         </Setter>

src/Net_40/HandyControl_Net_40/Themes/Theme.xaml

@@ -11938,7 +11938,7 @@
 							<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
 						</MultiTrigger>
 						<Trigger Property="IsEnabled" Value="false">
-							<Setter Property="Foreground" Value="{StaticResource {x:Static SystemColors.GrayTextBrushKey}}" />
+							<Setter Property="Opacity" Value=".4" />
 						</Trigger>
 					</ControlTemplate.Triggers>
 				</ControlTemplate>
@@ -11973,11 +11973,6 @@
 							</hc:ToggleBlock.UnCheckedContent>
 						</hc:ToggleBlock>
 					</Border>
-					<ControlTemplate.Triggers>
-						<Trigger Property="IsEnabled" Value="false">
-							<Setter Property="Background" TargetName="Bd" Value="{StaticResource {x:Static SystemColors.ControlBrushKey}}" />
-						</Trigger>
-					</ControlTemplate.Triggers>
 				</ControlTemplate>
 			</Setter.Value>
 		</Setter>

src/Shared/HandyControlDemo_Shared/Resources/Themes/Styles/Style.xaml

@@ -125,7 +125,7 @@
                                 </Setter.Value>
                             </Setter>
                             <Setter Property="SelectionCornerRadius" Value="0" />
-                            <Setter Property="SelectionForeground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}" />
+                            <Setter Property="SelectionForeground" Value="{DynamicResource TextIconBrush}" />
                             <Setter Property="Template">
                                 <Setter.Value>
                                     <ControlTemplate TargetType="avalonedit:TextArea">

src/Shared/HandyControl_Shared/Themes/Styles/Base/TreeViewBaseStyle.xaml

@@ -77,7 +77,7 @@
                             <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
                         </MultiTrigger>
                         <Trigger Property="IsEnabled" Value="false">
-                            <Setter Property="Foreground" Value="{StaticResource {x:Static SystemColors.GrayTextBrushKey}}"/>
+                            <Setter Property="Opacity" Value=".4" />
                         </Trigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
@@ -115,9 +115,6 @@
                         </hc:ToggleBlock>
                     </Border>
                     <ControlTemplate.Triggers>
-                        <Trigger Property="IsEnabled" Value="false">
-                            <Setter Property="Background" TargetName="Bd" Value="{StaticResource {x:Static SystemColors.ControlBrushKey}}"/>
-                        </Trigger>
                         <Trigger Property="VirtualizingPanel.IsVirtualizing" Value="true">
                             <Setter Property="CanContentScroll" TargetName="_tv_scrollviewer_" Value="true"/>
                         </Trigger>

src/Shared/HandyControl_Shared/Themes/Theme.xaml

@@ -12055,7 +12055,7 @@
 							<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
 						</MultiTrigger>
 						<Trigger Property="IsEnabled" Value="false">
-							<Setter Property="Foreground" Value="{StaticResource {x:Static SystemColors.GrayTextBrushKey}}" />
+							<Setter Property="Opacity" Value=".4" />
 						</Trigger>
 					</ControlTemplate.Triggers>
 				</ControlTemplate>
@@ -12092,9 +12092,6 @@
 						</hc:ToggleBlock>
 					</Border>
 					<ControlTemplate.Triggers>
-						<Trigger Property="IsEnabled" Value="false">
-							<Setter Property="Background" TargetName="Bd" Value="{StaticResource {x:Static SystemColors.ControlBrushKey}}" />
-						</Trigger>
 						<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="true">
 							<Setter Property="CanContentScroll" TargetName="_tv_scrollviewer_" Value="true" />
 						</Trigger>