<Window x:Class="WpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="WPF" Height="134" Width="200">
<Window.Resources>
<SolidColorBrush x:Key="ButtonText" Color="Black"/>
<Style
x:Key="CustomProgressBarStyle"
TargetType="{x:Type ProgressBar}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate
TargetType="{x:Type ProgressBar}">
<Grid MinHeight="20" MinWidth="240">
<Border
Name="PART_Track"
Background="{DynamicResource
{x:Static SystemColors.InactiveCaptionBrushKey}}"
BorderBrush="{DynamicResource
{x:Static SystemColors.InactiveBorderBrushKey}}"
BorderThickness="1"
/>
<Border
Name="PART_Indicator"
Background="{DynamicResource
{x:Static SystemColors.ActiveCaptionBrushKey}}"
BorderBrush="{DynamicResource
{x:Static SystemColors.ActiveBorderBrushKey}}"
BorderThickness="1"
HorizontalAlignment="Left"
/>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<StackPanel>
<ProgressBar Value="30"
HorizontalAlignment="Center"
Margin="4"
Style="{DynamicResource CustomProgressBarStyle}"/>
<Button Margin="4"
Content="Custom Brush"
Foreground="{DynamicResource ButtonText}"/>
<Button Margin="4"
Content="System Brush"
Foreground="{DynamicResource
{x:Static SystemColors.ActiveCaptionBrushKey}}"/>
</StackPanel>
</Window>
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