private void Back_Click(object sender, RoutedEventArgs e)
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
}
}
/// <summary>
/// Handler for the NavigateBackward button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void NavigateBackward_Click()
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
}
}
/// <summary>
/// 重写后退按钮按压事件以在 WebView (而不是应用程序)的返回栈中导航。
/// </summary>
private void MainPage_BackPressed(object sender, BackPressedEventArgs e)
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
e.Handled = true;
}
}
private void MainPage_BackRequested(object sender, BackRequestedEventArgs e)
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
e.Handled = true;
}
else
{
App.Current.Exit();
e.Handled = true;
}
}
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
if (WebViewControl.CanGoBack) // Check if the back stack is not zero
{
WebViewControl.GoBack(); // Navigate one back in the back stack
}
else
{
//If back stack cannot go back for web content, then navigate away from the XAML page hosting the WebView
Frame rootFrame = Window.Current.Content as Frame;
rootFrame?.GoBack();
}
}
internal bool GoBack()
{
Verify.IsFalse(IsDisposed);
Verify.IsNotNull(_webViewControl);
var retval = _webViewControl != null;
try
{
_webViewControl?.GoBack();
}
catch (Exception e)
{
if (e.IsSecurityOrCriticalException())
{
throw;
}
retval = false;
}
return(retval);
}
private void BackAppBarButton_Click(object sender, RoutedEventArgs e)
{
WebViewControl.GoBack();
}
