radial progressbar

Server Dashboard/Controls/ProgressBar/HalfRoundProgressbar.xaml

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+<UserControl x:Class="Server_Dashboard.Controls.ProgressBar.HalfRoundProgressbar"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:Server_Dashboard.Controls.ProgressBar"
+             xmlns:ed="http://schemas.microsoft.com/expression/2010/drawing"
+             xmlns:root="clr-namespace:Server_Dashboard"
+             mc:Ignorable="d" 
+             d:DesignHeight="200" d:DesignWidth="200">
+    <UserControl.Resources>
+        <local:ValueToAngle x:Key="valueToAngle"/>
+    </UserControl.Resources>
+    <Grid>
+        <Ellipse x:Name="Background" Fill="{Binding ElementName=_this, Path=BackgroundBrush}" Margin="0" Stroke="Blue"/>
+        <ed:Arc x:Name="Indicator" ArcThickness="8" ArcThicknessUnit="Pixel" EndAngle="{Binding Converter={StaticResource valueToAngle}, ElementName=_this, Path=Value}" Fill="{Binding ElementName=_this, Path=IndicatorBrush}" Stretch="None" StartAngle="0"/>
+        <Ellipse x:Name="Border" Fill="{Binding ElementName=_this, Path=ProgressBorderBrush}" Margin="8" Stroke="Blue"/>
+    </Grid>
+</UserControl>

Server Dashboard/Controls/ProgressBar/HalfRoundProgressbar.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace Server_Dashboard.Controls.ProgressBar {
+    /// <summary>
+    /// Interaktionslogik für HalfRoundProgressbar.xaml
+    /// </summary>
+    public partial class HalfRoundProgressbar : UserControl {
+        public static readonly DependencyProperty IndicatorBrushProperty = DependencyProperty.Register("IndicatorBrush", typeof(Brush), typeof(HalfRoundProgressbar));
+        public Brush IndicatorBrush {
+            get{
+                return (Brush)this.GetValue(IndicatorBrushProperty);
+            }
+            set{
+                this.SetValue(IndicatorBrushProperty, value);
+            }
+        }
+
+        public static readonly DependencyProperty BackgroundBrushProperty = DependencyProperty.Register("BackgroundBrush", typeof(Brush), typeof(HalfRoundProgressbar));
+        public Brush BackgroundBrush {
+            get {
+                return (Brush)this.GetValue(BackgroundBrushProperty);
+            }
+            set {
+                this.SetValue(BackgroundBrushProperty, value);
+            }
+        }
+
+        public static readonly DependencyProperty ProgressBorderBrushProperty = DependencyProperty.Register("ProgressBorderBrush", typeof(Brush), typeof(HalfRoundProgressbar));
+        public Brush ProgressBorderBrush {
+            get {
+                return (Brush)this.GetValue(ProgressBorderBrushProperty);
+            }
+            set {
+                this.SetValue(ProgressBorderBrushProperty, value);
+            }
+        }
+
+        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register("Value", typeof(int), typeof(HalfRoundProgressbar));
+        public int Value {
+            get {
+                return (int)this.GetValue(ValueProperty);
+            }
+            set {
+                this.SetValue(ValueProperty, value);
+            }
+        }
+
+        public HalfRoundProgressbar() {
+            InitializeComponent();
+        }
+    }
+
+    [ValueConversion(typeof(int), typeof(double))]
+    public class ValueToAngle : IValueConverter {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
+            return (double)(((int)value * 0.01) * 360);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
+            return (int)((double)value / 360) * 100;
+        }
+    }
+}