andersonimes

<Grid>
    <Grid.Resources>
        <Style x:Key="ThumbStyle1" TargetType="Thumb">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Thumb">
                        <Grid >
                            <Path Data="M13.832941,48.001114 L-0.00066526519,15.584446 L-0.1685528,3.1627214 L46.375076,3.1882343 L46.59383,15.594595 L33.375225,48.063122 z" Fill="#FF6D6D74" Margin="-0.668,2.662,0.906,-0.562" Stretch="Fill" Stroke="Black" UseLayoutRounding="False"/>
                        </Grid>
                    </ControlTemplate>

andersonimes

private bool IsDesignMode {
    get {
        DependencyProperty isDesignModeProperty = (DependencyProperty)AppDomain.CurrentDomain.GetData(“IsDesignModeProperty”);
        return isDesignModeProperty == null ? false : true.Equals(isDesignModeProperty.GetValue(this));
    }
}

andersonimes

        <ItemsControl Grid.IsSharedSizeScope="True">
            <ItemsControl.ItemTemplate>
                <DataTemplate DataType="HeaderedContentControl">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition SharedSizeGroup="Labels" />
                            <ColumnDefinition SharedSizeGroup="Inputs" />
                        </Grid.ColumnDefinitions>
                        <TextBlock Grid.Column="0" Text="{Binding Header}" />
                        <ContentControl Grid.Column="1" Content="{Binding Content}" />

andersonimes

<ItemsControl ItemsSource="{Binding StuffThatIsCool}">
    <ItemsControl.ItemTemplate>
        <DataTemplate>
            <TextBlock Text="{Binding WhyCool}" />
        </DataTemplate>
    </ItemsControl.ItemTemplate>
</ItemsControl>