ELK/FrameworkLocal/UICore/Control/Arrow.xaml

<UserControl x:Class="Aitex.Core.UI.Control.Arrow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Height="20" Width="20" MinHeight="20" MinWidth="20" MaxHeight="20" MaxWidth="20" BorderThickness="1 1 1 1">
    <UserControl.Resources>
        <Style TargetType="{x:Type Polygon}" />
    </UserControl.Resources>
    
    <UserControl.RenderTransform>
        <RotateTransform x:Name="rotateTransform" Angle="0" CenterX="10" CenterY="10"/>
    </UserControl.RenderTransform>
    <Grid>
        <Polygon Name="arrow1" Points="0,5 10,10 0,15" Stroke="Black" StrokeThickness="0"/>
    </Grid>
</UserControl>