WPF 鼠标移动到图片变大，移开还原，单击触发事件效果

<Grid>
        <Canvas x:Name="LayoutRoot">
            <Image Cursor="Hand" MouseLeftButtonDown="imgLogo1_MouseLeftButtonDown" MouseEnter="imgLogo1_MouseEnter" 
                   MouseLeave="imgLogo1_MouseLeave" Canvas.ZIndex="1" x:Name="imgLogo1" Canvas.Left="100" 
                   Canvas.Top="60" Height="100" Source="Image/Picture.jpg">
                <Image.RenderTransform>
                    <ScaleTransform x:Name="LogoScale" CenterX="90" CenterY="96">

                    </ScaleTransform>
                </Image.RenderTransform>
            </Image>
        </Canvas>
    </Grid>

　　

 public partial class Window8 : Window
    {
        public Window8()
        {
            InitializeComponent();
            timer = new System.Windows.Threading.DispatcherTimer();
            timer.Interval = TimeSpan.FromMilliseconds(50);
            timer.Tick += new EventHandler(timer_Tick);
        }

        private System.Windows.Threading.DispatcherTimer timer;
        private ScaleDirection scaleDirection ;
       

        void timer_Tick(object sender, EventArgs e)
        {
            AdjustScale(scaleDirection, LogoScale);
        }

        void AdjustScale(ScaleDirection scaleDirection, ScaleTransform scale)
        {
            if (scaleDirection == ScaleDirection.Down)
            {
                if (scale.ScaleX < 1.3)
                {
                    scale.ScaleX += 0.05; scale.ScaleY += 0.05;
                }
                else
                    timer.Stop();
            }
            else
            {
                if (scale.ScaleX > 1.0)
                {
                    scale.ScaleX -= 0.05;
                    scale.ScaleY -= 0.05;
                }
                else
                    timer.Stop();
            }
        }

        enum ScaleDirection
        {
            Up,
            Down
        }

        private void imgLogo1_MouseEnter(object sender, MouseEventArgs e)
        {
            scaleDirection = ScaleDirection.Down;
            timer.Start();
        }

        private void imgLogo1_MouseLeave(object sender, MouseEventArgs e)
        {
            scaleDirection = ScaleDirection.Up;
            timer.Start();
        }

        private void imgLogo1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            MessageBox.Show("test");
        }
    }

原文：http://www.csharpwin.com/dotnetspace/10339r6936.shtml

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