//xaml

        <Grid Grid.Column="1">
            <Border Name="ViewportBorder" Background="Transparent">
                <hx:Viewport3DX
                    x:Name="view"
                    Panel.ZIndex="0"
                    AllowUpDownRotation="True"
                    BackgroundColor="#595959"
                    BelongsToParentWindow="True"
                    CameraMode="Inspect"
                    CameraRotationMode="Trackball"
                    EffectsManager="{Binding EffectsManager}"
                    EnableSwapChainRendering="True"
                    FXAALevel="Low"
                    IsChangeFieldOfViewEnabled="False"
                    IsHitTestVisible="False"
                    IsManipulationEnabled="True"
                    IsMoveEnabled="False"
                    IsPanEnabled="False"
                    IsPinchZoomEnabled="False"
                    IsRotationEnabled="False"
                    IsThreeFingerPanningEnabled="False"
                    IsTouchRotateEnabled="False"
                    IsViewCubeMoverEnabled="False"
                    IsZoomEnabled="False">

                    <hx:AmbientLight3D Color="#363636" />
                    <hx:DirectionalLight3D Direction="{Binding positionCamera.LookDirection}" Color="#D6D6D6" />
                    <hx:EnvironmentMap3D IsRendering="{Binding RenderEnvironmentMap}" Texture="{Binding EnvironmentMap}" />
                    <hx:Element3DPresenter Content="{Binding GroupModel}" />
                    <hx:PostEffectMeshBorderHighlight EffectName="highlight" />
                    <hx:SceneNodeGroupModel3D />
                    <hx:MeshGeometryModel3D
                        x:Name="model1"
                        Geometry="{Binding Model}"
                        Material="{Binding RedMaterial}"
                        Transform="{Binding Model1Transform}" />
                    <hx:MeshGeometryModel3D
                        x:Name="model2"
                        Geometry="{Binding Model}"
                        Material="{Binding GreenMaterial}"
                        Transform="{Binding Model2Transform}" />
                    <hx:MeshGeometryModel3D
                        x:Name="model3"
                        Geometry="{Binding Model}"
                        Material="{Binding BlueMaterial}"
                        Transform="{Binding Model3Transform}" />
                    <hx:LineGeometryModel3D
                        x:Name="lines"
                        Geometry="{Binding Lines}"
                        Thickness="1.5"
                        Transform="{Binding Model1Transform}"
                        Color="Black" />
                    <hx:MeshGeometryModel3D
                        CullMode="Back"
                        DepthBias="-5"
                        Geometry="{Binding TextModel}"
                        Material="{Binding BlueMaterial}"
                        Transform="{Binding Model4Transform}" />
                </hx:Viewport3DX>
            </Border>

            <cameras:TargetPositionCamera
                x:Name="Camera1"
                Attitude="-15"
                Bank="0"
                Distance="9"
                Heading="30"
                TargetViewport3D="{Binding ElementName=view}" />
            <controls:MouseCameraController
                x:Name="MouseCameraController1"
                EventsSourceElement="{Binding ElementName=ViewportBorder}"
                MoveCameraConditions="RightMouseButtonPressed, ControlKey"
                RotateAroundMousePosition="True"
                RotateCameraConditions="RightMouseButtonPressed"
                ShowRotationCenterMarker="True"
                TargetCamera="{Binding ElementName=Camera1}"
                ZoomMode="MousePosition" />
        </Grid>

//event  Subscribtion
protected virtual void SubscribeEvents(FrameworkElement newEventsSourceElement)
{
	if (EventsSourceElement != null)
	{
		newEventsSourceElement.MouseMove += EventsSourceElement_MouseMove;
		newEventsSourceElement.MouseWheel += EventsSourceElement_MouseWheel;
		newEventsSourceElement.MouseDown += EventsSourceElement_MouseDown;
		newEventsSourceElement.MouseUp += EventsSourceElement_MouseUp;
		newEventsSourceElement.ManipulationDelta += OnManipulationDelta;
		newEventsSourceElement.ManipulationStarted += OnManipulationStarted;
		newEventsSourceElement.ManipulationCompleted += OnManipulationCompleted;
		newEventsSourceElement.IsManipulationEnabled = true;
		subscribedEventsSourceElement = newEventsSourceElement;
		buv();
	}
}
private void buv()
{
	if (EventsSourceElement != null)
	{
		if (base.IsEnabled && IsRotateCursorShownOnMouseOver && (UsedMouseButton == MouseButton.Left || RotateCameraConditions == MouseAndKeyboardConditions.LeftMouseButtonPressed))
		{
			EventsSourceElement.Cursor = RotationCursor;
		}
		else if (EventsSourceElement.Cursor == RotationCursor)
		{
			EventsSourceElement.Cursor = null;
		}
	}
}



private void EventsSourceElement_MouseDown(object sender, MouseButtonEventArgs e)
{
//breaks only with left click
	Point mousePosition = buz(e);
	bool handled = OnMouseButtonDown(mousePosition, Mouse.LeftButton == MouseButtonState.Pressed, Mouse.MiddleButton == MouseButtonState.Pressed, Mouse.RightButton == MouseButtonState.Pressed, Keyboard.Modifiers);
	e.Handled = handled;
}