PDFOffice_Windows_exe/PDF Office/Themes/Generic.xaml

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:cus="clr-namespace:PDF_Office.CustomControl"
    xmlns:local="clr-namespace:PDF_Office">

    <!--  style for customControl  -->
    <Style TargetType="{x:Type cus:DialogContent}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type cus:DialogContent}">
                    <Border Background="White" CornerRadius="8">
                        <Grid Background="Transparent">
                            <Grid.RowDefinitions>
                                <RowDefinition Height="48" />
                                <RowDefinition Height="*" />
                                <RowDefinition Height="64" />
                            </Grid.RowDefinitions>
                            <Border Background="Transparent" BorderThickness="0,0,0,1">
                                <Border.BorderBrush>
                                    <SolidColorBrush Opacity="0.2" Color="Gray" />
                                </Border.BorderBrush>
                                <TextBlock
                                    Margin="16,0,0,0"
                                    VerticalAlignment="Center"
                                    FontSize="16"
                                    FontWeight="SemiBold"
                                    Text="{TemplateBinding Header}" />
                            </Border>
                            <ContentPresenter Grid.Row="1" Content="{TemplateBinding Content}" />
                            <Border Grid.Row="2" BorderThickness="0,1,0,0">
                                <Border.BorderBrush>
                                    <SolidColorBrush Opacity="0.2" Color="Gray" />
                                </Border.BorderBrush>
                                <ContentControl Content="{TemplateBinding BottmBar}" />
                            </Border>
                        </Grid>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type cus:TextBoxEx}">
        <Setter Property="Background" Value="{StaticResource color.field.bg.def}" />
        <Setter Property="BorderBrush" Value="{StaticResource color.field.border.norm}" />
        <Setter Property="Foreground" Value="Black" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="FocusVisualStyle" Value="{x:Null}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type cus:TextBoxEx}">
                    <Border
                        x:Name="border"
                        Width="{TemplateBinding Width}"
                        Height="{TemplateBinding Height}"
                        Background="{TemplateBinding Background}"
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}"
                        CornerRadius="{TemplateBinding CornerRadius}"
                        SnapsToDevicePixels="True">
                        <Grid Margin="{TemplateBinding Padding}">
                            <TextBlock
                                x:Name="placeholder"
                                Margin="5,0,0,0"
                                FontSize="{TemplateBinding FontSize}"
                                Foreground="{TemplateBinding PlaceholderForeground}"
                                Text="{TemplateBinding PlaceholderText}"
                                Visibility="Collapsed" />

                            <ScrollViewer
                                x:Name="PART_ContentHost"
                                Margin="0,0,25,0"
                                Padding="8,1,0,0"
                                Focusable="false"
                                Foreground="{TemplateBinding Foreground}"
                                HorizontalScrollBarVisibility="Hidden"
                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
                                Style="{x:Null}"
                                VerticalScrollBarVisibility="Hidden" />
                            <Button
                                Name="PART_BtnClear"
                                Width="16"
                                Height="16"
                                Margin="9,0"
                                HorizontalAlignment="Right"
                                VerticalAlignment="Center"
                                Background="Transparent"
                                BorderThickness="0"
                                Style="{StaticResource NoColorBtn}"
                                Visibility="Collapsed">
                                <Path
                                    Data="M8 15C11.866 15 15 11.866 15 8C15 4.13401 11.866 1 8 1C4.13401 1 1 4.13401 1 8C1 11.866 4.13401 15 8 15ZM11.5303 5.53038L9.06069 8L11.5303 10.4696L10.4697 11.5303L8.00002 9.06066L5.53033 11.5303L4.46967 10.4697L6.93936 8L4.46967 5.53033L5.53033 4.46967L8.00002 6.93934L10.4697 4.46971L11.5303 5.53038Z"
                                    Fill="#CED0D4"
                                    Stretch="Uniform" />
                            </Button>
                        </Grid>

                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter TargetName="border" Property="Opacity" Value="0.56" />
                        </Trigger>
                        <Trigger Property="Text" Value="{x:Null}">
                            <Setter TargetName="placeholder" Property="Visibility" Value="Visible" />
                        </Trigger>
                        <Trigger Property="Text" Value="">
                            <Setter TargetName="placeholder" Property="Visibility" Value="Visible" />
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="PART_BtnClear" Property="Visibility" Value="Visible" />
                        </Trigger>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="Text" Value="" />
                                <Condition Property="IsMouseOver" Value="True" />
                            </MultiTrigger.Conditions>
                            <MultiTrigger.Setters>
                                <Setter TargetName="PART_BtnClear" Property="Visibility" Value="Collapsed" />
                            </MultiTrigger.Setters>
                        </MultiTrigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <MultiTrigger>
                <MultiTrigger.Conditions>
                    <Condition Property="IsInactiveSelectionHighlightEnabled" Value="true" />
                    <Condition Property="IsSelectionActive" Value="false" />
                </MultiTrigger.Conditions>
                <Setter Property="SelectionBrush" Value="{DynamicResource {x:Static SystemColors.InactiveSelectionHighlightBrushKey}}" />
            </MultiTrigger>
        </Style.Triggers>
    </Style>
</ResourceDictionary>