Jogn Simons, even using an i7, cpu usage of 3 progressbars hits 2% (1 progressbar 1%)
Dizz, here's the solution for cpu usage. It only animates when IsIndeterminate == true. The RAM usage doesn't change :(
<Window x:Class="Progress.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:this="clr-namespace:Progress"
Title="MainWindow" Height="150" Width="525">
<Window.Resources>
<LinearGradientBrush x:Key="ProgressBarBackground" EndPoint="1,0" StartPoint="0,0">
<GradientStop Color="#BABABA" Offset="0"/>
<GradientStop Color="#C7C7C7" Offset="0.5"/>
<GradientStop Color="#BABABA" Offset="1"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="ProgressBarBorderBrush" EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#B2B2B2" Offset="0"/>
<GradientStop Color="#8C8C8C" Offset="1"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="ProgressBarGlassyHighlight" EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#50FFFFFF" Offset="0.5385"/>
<GradientStop Color="#00FFFFFF" Offset="0.5385"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="ProgressBarTopHighlight" EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#80FFFFFF" Offset="0.05"/>
<GradientStop Color="#00FFFFFF" Offset="0.25"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="ProgressBarIndicatorAnimatedFill" EndPoint="1,0" StartPoint="0,0">
<GradientStop Color="#00FFFFFF" Offset="0"/>
<GradientStop Color="#60FFFFFF" Offset="0.4"/>
<GradientStop Color="#60FFFFFF" Offset="0.6"/>
<GradientStop Color="#00FFFFFF" Offset="1"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="ProgressBarIndicatorDarkEdgeLeft" EndPoint="1,0" StartPoint="0,0">
<GradientStop Color="#0C000000" Offset="0"/>
<GradientStop Color="#20000000" Offset="0.3"/>
<GradientStop Color="#00000000" Offset="1"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="ProgressBarIndicatorDarkEdgeRight" EndPoint="1,0" StartPoint="0,0">
<GradientStop Color="#00000000" Offset="0"/>
<GradientStop Color="#20000000" Offset="0.7"/>
<GradientStop Color="#0C000000" Offset="1"/>
</LinearGradientBrush>
<RadialGradientBrush x:Key="ProgressBarIndicatorLightingEffectLeft" RadiusY="1" RadiusX="1" RelativeTransform="1,0,0,1,0.5,0.5">
<GradientStop Color="#60FFFFC4" Offset="0"/>
<GradientStop Color="#00FFFFC4" Offset="1"/>
</RadialGradientBrush>
<LinearGradientBrush x:Key="ProgressBarIndicatorLightingEffect" EndPoint="0,0" StartPoint="0,1">
<GradientStop Color="#60FFFFC4" Offset="0"/>
<GradientStop Color="#00FFFFC4" Offset="1"/>
</LinearGradientBrush>
<RadialGradientBrush x:Key="ProgressBarIndicatorLightingEffectRight" RadiusY="1" RadiusX="1" RelativeTransform="1,0,0,1,-0.5,0.5">
<GradientStop Color="#60FFFFC4" Offset="0"/>
<GradientStop Color="#00FFFFC4" Offset="1"/>
</RadialGradientBrush>
<LinearGradientBrush x:Key="ProgressBarIndicatorGlassyHighlight" EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#90FFFFFF" Offset="0.5385"/>
<GradientStop Color="#00FFFFFF" Offset="0.5385"/>
</LinearGradientBrush>
<Style x:Key="StaticProgressBar" TargetType="{x:Type ProgressBar}">
<Setter Property="Foreground" Value="#01D328"/>
<Setter Property="Background" Value="{StaticResource ProgressBarBackground}"/>
<Setter Property="BorderBrush" Value="{StaticResource ProgressBarBorderBrush}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ProgressBar}">
<Grid x:Name="TemplateRoot" SnapsToDevicePixels="true">
<Rectangle Fill="{TemplateBinding Background}" RadiusY="2" RadiusX="2"/>
<Border Background="{StaticResource ProgressBarGlassyHighlight}" CornerRadius="2" Margin="1"/>
<Border BorderBrush="#80FFFFFF" BorderThickness="1,0,1,1" Background="{StaticResource ProgressBarTopHighlight}" Margin="1"/>
<Rectangle x:Name="PART_Track" Margin="1"/>
<Decorator x:Name="PART_Indicator" HorizontalAlignment="Left" Margin="1">
<Grid x:Name="Foreground">
<Rectangle x:Name="Indicator" Fill="{TemplateBinding Foreground}" />
<Grid x:Name="Animation" ClipToBounds="true" Visibility="Collapsed">
<Rectangle x:Name="PART_GlowRect" Fill="{StaticResource ProgressBarIndicatorAnimatedFill}" HorizontalAlignment="Left" Margin="-100,0,0,0" Width="100"/>
</Grid>
<Grid x:Name="Overlay">
<Grid.ColumnDefinitions>
<ColumnDefinition MaxWidth="15"/>
<ColumnDefinition Width="0.1*"/>
<ColumnDefinition MaxWidth="15"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<Rectangle x:Name="LeftDark" Fill="{StaticResource ProgressBarIndicatorDarkEdgeLeft}" Margin="1,1,0,1" RadiusY="1" RadiusX="1" Grid.RowSpan="2"/>
<Rectangle x:Name="RightDark" Grid.Column="2" Fill="{StaticResource ProgressBarIndicatorDarkEdgeRight}" Margin="0,1,1,1" RadiusY="1" RadiusX="1" Grid.RowSpan="2"/>
<Rectangle x:Name="LeftLight" Grid.Column="0" Fill="{StaticResource ProgressBarIndicatorLightingEffectLeft}" Grid.Row="2"/>
<Rectangle x:Name="CenterLight" Grid.Column="1" Fill="{StaticResource ProgressBarIndicatorLightingEffect}" Grid.Row="2"/>
<Rectangle x:Name="RightLight" Grid.Column="2" Fill="{StaticResource ProgressBarIndicatorLightingEffectRight}" Grid.Row="2"/>
<Border x:Name="Highlight1" Background="{StaticResource ProgressBarIndicatorGlassyHighlight}" Grid.ColumnSpan="3" Grid.RowSpan="2"/>
<Border x:Name="Highlight2" Background="{StaticResource ProgressBarTopHighlight}" Grid.ColumnSpan="3" Grid.RowSpan="2"/>
</Grid>
</Grid>
</Decorator>
<Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="2"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="Orientation" Value="Vertical">
<Setter Property="LayoutTransform" TargetName="TemplateRoot">
<Setter.Value>
<RotateTransform Angle="-90"/>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="IsIndeterminate" Value="true">
<Setter Property="Visibility" TargetName="Animation" Value="Visible"/>
<Setter Property="Visibility" TargetName="LeftDark" Value="Collapsed"/>
<Setter Property="Visibility" TargetName="RightDark" Value="Collapsed"/>
<Setter Property="Visibility" TargetName="LeftLight" Value="Collapsed"/>
<Setter Property="Visibility" TargetName="CenterLight" Value="Collapsed"/>
<Setter Property="Visibility" TargetName="RightLight" Value="Collapsed"/>
<Setter Property="Visibility" TargetName="Indicator" Value="Collapsed"/>
</Trigger>
<Trigger Property="IsIndeterminate" Value="false">
<Setter Property="Background" TargetName="Animation" Value="#80B5FFA9"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<Grid>
<ProgressBar Style="{DynamicResource StaticProgressBar}" />
</Grid>
</Window>