<telerik:RadButton x:Name="manButton"  Grid.Column="7" Margin="10,6" Command="{Binding ShowManCommand}" Focusable="False">
    <telerik:RadButton.Content>
        <Image Source="{iconPacks:MaterialImage CommentTextMultipleOutline, Brush=White}" Margin="4" />
    </telerik:RadButton.Content>
    <telerik:RadBadge.Badge>
        <telerik:RadBadge BadgeType="ContentOnly"  AnchorPosition="1,1" Position="1.1,0.4" 
                          Geometry="{telerik:Geometry Type=Oval}" Background="Red" 
                          FontSize="12" Height="16" Width="28"
                          Content="{Binding ManMessageCount}" 
                          Visibility="{Binding IsManBadgeVisible, Converter={converter:BoolToVisibilityConverter}}"/>
    </telerik:RadBadge.Badge>
</telerik:RadButton>

using System;
using System.Windows.Input;
using XXX.Core.Models.EventArgs;
using Telerik.Windows.Diagrams.Core;

namespace XXX.XXX.Presentation.Tools
{
    internal class MyPanningTool : PanningTool
    {
        private const string PanningToolName = "Panning Tool";
        private SelectionMode _selectionMode;
        private ToolService _toolService;

        public MyPanningTool()
        {
            Cursor = DiagramCursors.Dragging;
        }

        private void ActivatePanningTool()
        {
            _toolService ??= Graph.ServiceLocator.GetService<IToolService>() as ToolService;
            _toolService?.ActivateTool(PanningToolName);
        }

        private void ActivatePointerTool()
        {
            _toolService ??= Graph.ServiceLocator.GetService<IToolService>() as ToolService;
            _toolService?.ActivateTool("Pointer Tool");
        }

        public override bool KeyDown(KeyArgs key)
        {
            if (!IsActive) return false;
            base.KeyDown(key);

            if (key.Key != Key.Enter && key.Key != Key.Escape && !ToolService.IsControlDown)
            {
                ActivatePanningTool();
                return false;
            }

            return false;
        }

        /// <inheritdoc />
        public override bool MouseDown(PointerArgs e)
        {
            if (IsActive)
            {
                _selectionMode = Graph.SelectionMode;
                Graph.SelectionMode = SelectionMode.None;
            }

            if (ToolService.IsControlDown || Mouse.MiddleButton == MouseButtonState.Pressed)
            {
                //ActivateTool();
                //ActivatePanningTool();
                return base.MouseDown(e);
            }
                
            return IsActive && base.MouseDown(e);
        }

        /// <inheritdoc />
        public override bool MouseMove(PointerArgs e)
        {
            if (ToolService.IsControlDown || Mouse.MiddleButton == MouseButtonState.Pressed)
            {
                return base.MouseMove(e);
            }
            return IsActive && base.MouseMove(e);
        }

        /// <inheritdoc />
        public override bool MouseUp(PointerArgs e)
        {
            if (!IsActive) return false;

            Graph.SelectionMode = _selectionMode;

            try
            {
                base.MouseUp(e);
            }
            catch
            {
                // ignored
            }



            if (ToolService.IsControlDown || Mouse.MiddleButton == MouseButtonState.Pressed) return base.MouseUp(e);

            ActivatePointerTool();
            ToolChangedEvent?.Invoke(null, new ToolChangedEventArgs("Pointer Tool"));
            return true;
        }

        public static event EventHandler<ToolChangedEventArgs> ToolChangedEvent;
    }
}

                    <telerik:RadGridView
                        x:Name="fieldsGrid"
                        HorizontalAlignment="Stretch"
                        VerticalAlignment="Stretch"
                        IsReadOnly="True"
                        AutoGenerateColumns="False"
                        SelectionMode="Single"
                        SelectionUnit="FullRow"
                        EnableLostFocusSelectedState="False"
                        ShowGroupPanel="False"
                        ShowSearchPanel="False"
                        SearchPanelCloseButtonVisibility="Collapsed"
                        RowIndicatorVisibility="Collapsed"
                        IsSynchronizedWithCurrentItem="True"
                        IsFilteringAllowed="True"
                        CanUserDeleteRows="False"
                        CanUserFreezeColumns="False"
                        ShowColumnSortIndexes="False"
                        MouseDoubleClick="InsertableRow_OnMouseDoubleClick"
                        ItemsSource="{Binding FieldsForBindingOnly, Mode=OneWay}"
                        SelectedItem="{Binding SelectedField, Mode=TwoWay}">