标签:c win-universal-app windows-10-universal
我正在将应用程序移植到Univeral Windows Platform(Windows 10).
Android有一个onLongPress
event.是否有相当于UWP?
我发现有一个Holding
event,我尝试使用这样的东西:
private void Rectangle_Holding(object sender, HoldingRoutedEventArgs e)
{
if (e.HoldingState == HoldingState.Started)
{
Debug.WriteLine("Holding started!");
}
}
问题是当使用鼠标而不是触摸时,Windows桌面上不会触发事件.
解决方法:
默认情况下,鼠标输入不会产生保持事件,您应该使用RightTapped事件来显示上下文菜单,当用户长按触摸设备并右键单击鼠标设备时,它会被触发.
看看GestureRecognizer.Holding和Detect Simple Touch Gestures,您可以使用以下代码实现这一目标
public sealed partial class MainPage : Page
{
GestureRecognizer gestureRecognizer = new GestureRecognizer();
public MainPage()
{
this.InitializeComponent();
gestureRecognizer.GestureSettings = Windows.UI.Input.GestureSettings.HoldWithMouse;
}
void gestureRecognizer_Holding(GestureRecognizer sender, HoldingEventArgs args)
{
MyTextBlock.Text = "Hello";
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
gestureRecognizer.Holding += gestureRecognizer_Holding;
}
private void Grid_PointerPressed(object sender, PointerRoutedEventArgs e)
{
var ps = e.GetIntermediatePoints(null);
if (ps != null && ps.Count > 0)
{
gestureRecognizer.ProcessDownEvent(ps[0]);
e.Handled = true;
}
}
private void Grid_PointerMoved(object sender, PointerRoutedEventArgs e)
{
gestureRecognizer.ProcessMoveEvents(e.GetIntermediatePoints(null));
e.Handled = true;
}
private void Grid_PointerReleased(object sender, PointerRoutedEventArgs e)
{
var ps = e.GetIntermediatePoints(null);
if (ps != null && ps.Count > 0)
{
gestureRecognizer.ProcessUpEvent(ps[0]);
e.Handled = true;
gestureRecognizer.CompleteGesture();
}
}
}
标签:c,win-universal-app,windows-10-universal 来源: https://codeday.me/bug/20190519/1135620.html
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