/// <summary>
/// 可用于自身或導航至 Frame 內部的空白頁。
/// </summary>
public sealed partial class MainPage : Page
{
public MainPage()
{
this.InitializeComponent();
}
Point start = new Point();</p><p> /// <summary>
/// 在此頁將要在 Frame 中顯示時進行調用。
/// </summary>
/// <param name="e">描述如何訪問此頁的事件數據。Parameter
/// 屬性通常用于配置頁。</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{</p><p> }</p><p> //鼠標中鍵滑動事件
private void MainCanvas_PointerWheelChanged(object sender, PointerRoutedEventArgs e)
{
this.tbLabel.Text = "滑動了一次鼠標中箭";
}</p><p> //鼠標點擊下去的事件
private void MainCanvas_PointerPressed(object sender, PointerRoutedEventArgs e)
{
start = e.GetCurrentPoint(MainCanvas).Position;
this.tbLabel.Text = "點擊了一次鼠標或者屏幕";</p><p> }</p><p> //鼠標松鍵事件
private void MainCanvas_PointerReleased(object sender, PointerRoutedEventArgs e)
{
Point end = e.GetCurrentPoint(MainCanvas).Position;
double angle = 0;
//判斷拖動鼠標角度
if (Math.Abs(end.X - start.X) < 1 && Math.Abs(end.Y - start.Y) < 1)
{
angle = 0;
}
else if (end.X > start.X)
{</p><p> if (end.Y > start.Y)
{
angle = 360 - Math.Atan((end.Y - start.Y) * 1.0 / (end.X - start.X)) * 180 / Math.PI;
}
else
{
angle = Math.Atan((start.Y - end.Y) * 1.0 / (end.X - start.X)) * 180 / Math.PI;
}
}
else if (end.X < start.X)
{
if (end.Y > start.Y)
{
angle = Math.Atan((end.Y - start.Y) * 1.0 / (start.X - end.X)) * 180 / Math.PI + 180;
}
else
{
angle = 180 - Math.Atan((start.Y - end.Y) * 1.0 / (start.X - end.X)) * 180 / Math.PI;
}
}
if (angle == 0)
{
this.tbLabel.Text = "點擊了一次鼠標或者屏幕";
}
else if (angle >= 45 && angle < 135)
{
this.tbLabelFore.Text = "從下往上";
}
else if (angle <= 45 || angle > 315)
{
this.tbLabelFore.Text = "從左向右滑";
}
else if (angle >= 135 && angle < 225)
{
this.tbLabelFore.Text = "從右向左滑";
}
else if (angle >= 225 && angle < 315)
{
this.tbLabelFore.Text = "從上往下";
}</p><p> }
//鼠標移動事件
private void MainCanvas_PointerMoved(object sender, PointerRoutedEventArgs e)
{
Point point = e.GetCurrentPoint(MainCanvas).Position;
this.tbLabel.Text = "鼠標正在移動X:"+point.X+",Y:"+point.Y;
}</p><p> //鼠標移出范圍事件
private void MainCanvas_PointerExited(object sender, PointerRoutedEventArgs e)
{
this.tbLabelNext.Text = "鼠標移出作用范圍";
}</p><p> //鼠標進入范圍事件
private void MainCanvas_PointerEntered(object sender, PointerRoutedEventArgs e)
{
this.tbLabelNext.Text = "鼠標進入范圍";
}
}
