我发现了这个很好的例子，它工作得很好。我数学真的很差，所以旋转和增加惯性真的很容易。我的问题是，我需要将旋转Angular 归一化为0到360。所以在一个方向完成一个旋转到另一个方向后，我可以从0到360选择值，顺时针或360到0（逆时针）如果有人能帮助我，我将不胜感激。

<UserControl x:Class="Rotatable.MyRotatableControl"
             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" 
             mc:Ignorable="d"
             d:DesignHeight="300" d:DesignWidth="300"
             IsManipulationEnabled="True"
             ManipulationStarting="OnManipulationStarting"
             ManipulationDelta="OnManipulationDelta"
             ManipulationInertiaStarting="OnManipulationInertiaStarting"
             RenderTransformOrigin="0.5,0.5">
    <UserControl.RenderTransform>
        <RotateTransform x:Name="MyRotateTransform"/>
    </UserControl.RenderTransform>
    <Grid Background="Aqua">
        <Viewbox>
            <TextBlock Text="Rotate me plz!"/>
        </Viewbox>
    </Grid>
</UserControl>

using System;
using System.Collections.Generic;
using System.Linq;
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 Rotatable
{
    /// <summary>
    /// Interaction logic for MyRotatableControl.xaml
    /// </summary>
    public partial class MyRotatableControl : UserControl
    {
        public MyRotatableControl()
        {
            InitializeComponent();
        }

        private void OnManipulationDelta(object sender, ManipulationDeltaEventArgs e)
        {
            e.Handled = true;

            // Rotate the control according to the manipulation delta
            MyRotateTransform.Angle += e.DeltaManipulation.Rotation;
        }

        private void OnManipulationInertiaStarting(object sender, ManipulationInertiaStartingEventArgs e)
        {
            // Enable inertia by setting the initial rotation velocity and the desired ratio of deceleration
            e.RotationBehavior = new InertiaRotationBehavior
            {
                InitialVelocity = e.InitialVelocities.AngularVelocity,
                DesiredDeceleration = 0.001
            };
        }

        private void OnManipulationStarting(object sender, ManipulationStartingEventArgs e)
        {
            e.Handled = true;

            UIElement container = VisualParent as UIElement;

            // Enable single input rotation
            e.IsSingleTouchEnabled = true;
            e.ManipulationContainer = container;

            // Only allow rotation
            e.Mode = ManipulationModes.Rotate;

            // Set the pivot
            Point localCenter = new Point(ActualWidth / 2, ActualHeight / 2);
            Point localCenterInContainer = TranslatePoint(localCenter, container);
            e.Pivot = new ManipulationPivot(localCenterInContainer, Math.Max(ActualWidth / 2, ActualHeight / 2));
        }
    }
}