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https://github.com/ChrisTitusTech/winutil.git
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Add scaling functionality for accessibility (#3505)
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spooky
72
functions/private/Invoke-WinUtilFontScaling.ps1
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72
functions/private/Invoke-WinUtilFontScaling.ps1
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@ -0,0 +1,72 @@
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function Invoke-WinUtilFontScaling {
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<#
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.SYNOPSIS
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Applies UI and font scaling for accessibility
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.PARAMETER ScaleFactor
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Sets the scaling from 0.75 and 2.0.
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Default is 1.0 (100% - no scaling)
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.EXAMPLE
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Invoke-WinUtilFontScaling -ScaleFactor 1.25
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# Applies 125% scaling
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#>
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param (
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[double]$ScaleFactor = 1.0
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)
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# Validate if scale factor is within the range
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if ($ScaleFactor -lt 0.75 -or $ScaleFactor -gt 2.0) {
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Write-Warning "Scale factor must be between 0.75 and 2.0. Using 1.0 instead."
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$ScaleFactor = 1.0
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}
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# Define an array for resources to be scaled
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$fontResources = @(
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"FontSize",
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"ButtonFontSize",
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"HeaderFontSize",
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"TabButtonFontSize",
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"IconFontSize",
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"SettingsIconFontSize",
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"CloseIconFontSize",
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"AppEntryFontSize",
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"SearchBarTextBoxFontSize",
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"SearchBarClearButtonFontSize",
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"CustomDialogFontSize",
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"CustomDialogFontSizeHeader",
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"ConfigUpdateButtonFontSize",
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"CheckBoxBulletDecoratorSize"
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)
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# Apply scaling to each resource
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foreach ($resourceName in $fontResources) {
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try {
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# Get the default font size from the theme configuration
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$originalValue = $sync.configs.themes.shared.$resourceName
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if ($originalValue) {
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# Convert string to double since values are stored as strings
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$originalValue = [double]$originalValue
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# Calculates and applies the new font size
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$newValue = [math]::Round($originalValue * $ScaleFactor, 1)
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$sync.Form.Resources[$resourceName] = $newValue
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Write-Debug "Scaled $resourceName from original $originalValue to $newValue (factor: $ScaleFactor)"
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}
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}
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catch {
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Write-Warning "Failed to scale resource $resourceName : $_"
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}
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}
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# Update the font scaling percentage displayed on the UI
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if ($sync.FontScalingValue) {
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$percentage = [math]::Round($ScaleFactor * 100)
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$sync.FontScalingValue.Text = "$percentage%"
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}
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Write-Debug "Font scaling applied with factor: $ScaleFactor"
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}
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@ -261,7 +261,7 @@ $commonKeyEvents = {
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$sync["Form"].Add_PreViewKeyDown($commonKeyEvents)
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$sync["Form"].Add_MouseLeftButtonDown({
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Invoke-WPFPopup -Action "Hide" -Popups @("Settings", "Theme")
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Invoke-WPFPopup -Action "Hide" -Popups @("Settings", "Theme", "FontScaling")
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$sync["Form"].DragMove()
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})
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@ -279,7 +279,7 @@ $sync["Form"].Add_MouseDoubleClick({
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$sync["Form"].Add_Deactivated({
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Write-Debug "WinUtil lost focus"
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Invoke-WPFPopup -Action "Hide" -Popups @("Settings", "Theme")
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Invoke-WPFPopup -Action "Hide" -Popups @("Settings", "Theme", "FontScaling")
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})
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$sync["Form"].Add_ContentRendered({
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@ -441,7 +441,7 @@ $sync["Form"].Add_Activated({
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$sync["ThemeButton"].Add_Click({
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Write-Debug "ThemeButton clicked"
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Invoke-WPFPopup -PopupActionTable @{ "Settings" = "Hide"; "Theme" = "Toggle" }
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Invoke-WPFPopup -PopupActionTable @{ "Settings" = "Hide"; "Theme" = "Toggle"; "FontScaling" = "Hide" }
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})
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$sync["AutoThemeMenuItem"].Add_Click({
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Write-Debug "About clicked"
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@ -461,7 +461,7 @@ $sync["LightThemeMenuItem"].Add_Click({
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$sync["SettingsButton"].Add_Click({
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Write-Debug "SettingsButton clicked"
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Invoke-WPFPopup -PopupActionTable @{ "Settings" = "Toggle"; "Theme" = "Hide" }
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Invoke-WPFPopup -PopupActionTable @{ "Settings" = "Toggle"; "Theme" = "Hide"; "FontScaling" = "Hide" }
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})
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$sync["ImportMenuItem"].Add_Click({
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Write-Debug "Import clicked"
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@ -506,5 +506,30 @@ $sync["SponsorMenuItem"].Add_Click({
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Show-CustomDialog -Title "Sponsors" -Message $authorInfo -EnableScroll $true
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})
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# Font Scaling Event Handlers
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$sync["FontScalingButton"].Add_Click({
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Write-Debug "FontScalingButton clicked"
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Invoke-WPFPopup -PopupActionTable @{ "Settings" = "Hide"; "Theme" = "Hide"; "FontScaling" = "Toggle" }
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})
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$sync["FontScalingSlider"].Add_ValueChanged({
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param($slider)
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$percentage = [math]::Round($slider.Value * 100)
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$sync.FontScalingValue.Text = "$percentage%"
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})
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$sync["FontScalingResetButton"].Add_Click({
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Write-Debug "FontScalingResetButton clicked"
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$sync.FontScalingSlider.Value = 1.0
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$sync.FontScalingValue.Text = "100%"
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})
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$sync["FontScalingApplyButton"].Add_Click({
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Write-Debug "FontScalingApplyButton clicked"
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$scaleFactor = $sync.FontScalingSlider.Value
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Invoke-WinUtilFontScaling -ScaleFactor $scaleFactor
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Invoke-WPFPopup -Action "Hide" -Popups @("FontScaling")
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})
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$sync["Form"].ShowDialog() | out-null
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Stop-Transcript
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@ -948,6 +948,7 @@
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<ColumnDefinition Width="Auto"/><!-- Space for close button -->
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="Auto"/><!-- Space for Font Scaling button-->
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</Grid.ColumnDefinitions>
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<!--
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@ -1032,7 +1033,7 @@
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</Border>
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</Popup>
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<Button Name="SettingsButton"
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<Button Name="FontScalingButton"
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Style="{StaticResource HoverButtonStyle}"
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Grid.Column="3" BorderBrush="Transparent"
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Background="{DynamicResource MainBackgroundColor}"
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@ -1040,6 +1041,74 @@
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FontSize="{DynamicResource SettingsIconFontSize}"
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Width="{DynamicResource IconButtonSize}" Height="{DynamicResource IconButtonSize}"
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HorizontalAlignment="Right" VerticalAlignment="Top"
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Margin="0,5,5,0"
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FontFamily="Segoe MDL2 Assets"
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Content=""
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ToolTip="Adjust Font Scaling for Accessibility"
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/>
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<Popup Grid.Column="3" Name="FontScalingPopup"
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IsOpen="False"
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PlacementTarget="{Binding ElementName=FontScalingButton}" Placement="Bottom"
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HorizontalAlignment="Right" VerticalAlignment="Top">
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<Border Background="{DynamicResource MainBackgroundColor}" BorderBrush="{DynamicResource MainForegroundColor}" BorderThickness="1" CornerRadius="0" Margin="0">
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<StackPanel Background="{DynamicResource MainBackgroundColor}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" MinWidth="200">
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<TextBlock Text="Font Scaling"
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FontSize="{DynamicResource ButtonFontSize}"
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Foreground="{DynamicResource MainForegroundColor}"
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HorizontalAlignment="Center"
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Margin="10,5,10,5"
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FontWeight="Bold"/>
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<Separator Margin="5,0,5,5"/>
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<StackPanel Orientation="Horizontal" Margin="10,5,10,10">
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<TextBlock Text="Small"
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FontSize="{DynamicResource ButtonFontSize}"
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Foreground="{DynamicResource MainForegroundColor}"
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VerticalAlignment="Center"
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Margin="0,0,10,0"/>
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<Slider Name="FontScalingSlider"
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Minimum="0.75" Maximum="2.0"
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Value="1.0"
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TickFrequency="0.25"
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TickPlacement="BottomRight"
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IsSnapToTickEnabled="True"
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Width="120"
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VerticalAlignment="Center"/>
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<TextBlock Text="Large"
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FontSize="{DynamicResource ButtonFontSize}"
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Foreground="{DynamicResource MainForegroundColor}"
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VerticalAlignment="Center"
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Margin="10,0,0,0"/>
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</StackPanel>
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<TextBlock Name="FontScalingValue"
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Text="100%"
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FontSize="{DynamicResource ButtonFontSize}"
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Foreground="{DynamicResource MainForegroundColor}"
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HorizontalAlignment="Center"
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Margin="10,0,10,5"/>
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<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="10,0,10,10">
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<Button Name="FontScalingResetButton"
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Content="Reset"
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Style="{StaticResource HoverButtonStyle}"
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Width="60" Height="25"
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Margin="5,0,5,0"/>
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<Button Name="FontScalingApplyButton"
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Content="Apply"
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Style="{StaticResource HoverButtonStyle}"
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Width="60" Height="25"
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Margin="5,0,5,0"/>
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</StackPanel>
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</StackPanel>
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</Border>
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</Popup>
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<Button Name="SettingsButton"
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Style="{StaticResource HoverButtonStyle}"
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Grid.Column="4" BorderBrush="Transparent"
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Background="{DynamicResource MainBackgroundColor}"
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Foreground="{DynamicResource MainForegroundColor}"
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FontSize="{DynamicResource SettingsIconFontSize}"
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Width="{DynamicResource IconButtonSize}" Height="{DynamicResource IconButtonSize}"
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HorizontalAlignment="Right" VerticalAlignment="Top"
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Margin="5,5,5,0"
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FontFamily="Segoe MDL2 Assets"
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Content=""/>
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@ -1067,7 +1136,7 @@
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</Popup>
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<Button
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Grid.Column="4"
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Grid.Column="5"
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Content="×" BorderThickness="0"
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BorderBrush="Transparent"
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Background="{DynamicResource MainBackgroundColor}"
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