private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (Frame.CanGoBack) {
e.Handled = true;
Frame.GoBack();
}
}
async void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (this.Frame.SourcePageType.FullName == "StatusUp.MainPage")
{
e.Handled = true;
// Create the message dialog and set its content
var messageDialog = new MessageDialog("Close Application?");
// Add commands and set their callbacks; both buttons use the same callback function instead of inline event handlers
messageDialog.Commands.Add(new UICommand(
"Yes",
new UICommandInvokedHandler(this.CommandInvokedHandler)));
messageDialog.Commands.Add(new UICommand(
"No",
new UICommandInvokedHandler(this.CommandInvokedHandler)));
// Set the command that will be invoked by default
messageDialog.DefaultCommandIndex = 0;
// Set the command to be invoked when escape is pressed
messageDialog.CancelCommandIndex = 1;
// Show the message dialog
try
{
messageDialog.ShowAsync();
}
catch { }
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
e.Handled = true;
if (CurrentPage == VLCPage.MainPageHome)
e.Handled = false;
GoBack_Specific();
}
private void OnBackPress(object sender, BackPressedEventArgs e)
{
e.Handled = true;
if (Frame.CanGoBack)
Frame.GoBack();
}
protected void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
e.Handled = true;
//We need this to handle backpress in ViewModels
if (this.DataContext is BaseViewModel)
(this.DataContext as BaseViewModel).GoBack();
}
async void HardwareButtons_BackPressed_DetailPage(object sender, BackPressedEventArgs e)
{
e.Handled = true;
if (string.IsNullOrEmpty(ViewModel.Tasks.Title))
{
NavigateHelper.NavigateToPage(typeof(MainPage));
return;
}
//此处最好进行一个判断，是更新还是新增操作，然后进行相关的数据库操作
Task taskNeedAwait = null;
FrameTransitionParam param = new FrameTransitionParam();
if (this.IsNavigateForUpdate)//true表示更新
{
// 修改的数据
param.UpdateTasks = ViewModel.Tasks;
taskNeedAwait = ViewModel.UpdateTasks();
}
else//false 表示新增
{
param.NewTasks = ViewModel.Tasks;
taskNeedAwait = ViewModel.AddTasks();
}
// 在跳转前取消注册
HardwareButtons.BackPressed -= HardwareButtons_BackPressed_DetailPage;
NavigateHelper.NavigateToPageWithParam(typeof(MainPage), param);
await taskNeedAwait;
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e) {
Frame rootFrame = Window.Current.Content as Frame;
if (rootFrame != null && rootFrame.CanGoBack) {
rootFrame.Navigate(typeof(PollutionReportPage));
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (Frame.BackStackDepth == 0)
{
Application.Current.Exit();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e) {
var rootFrame = Window.Current.Content as Frame;
if (rootFrame != null && rootFrame.CanGoBack) {
rootFrame.GoBack();
e.Handled = true;
}
}
private void HardwareButtonsOnBackPressed(object sender, BackPressedEventArgs backPressedEventArgs)
{
if (ViewModel.IsSignInPageVisible)
{
var storyboard = (Storyboard)Resources["SignInModalHideStoryboard"];
if (storyboard == null) return;
storyboard.Begin();
ViewModel.GoBackToStartCommand.Execute(null);
backPressedEventArgs.Handled = true;
}
if (ViewModel.IsRegisterPageVisible)
{
var storyboard = (Storyboard)Resources["RegistrationModalHideStoryboard"];
if (storyboard == null) return;
storyboard.Begin();
ViewModel.GoBackToStartCommand.Execute(null);
backPressedEventArgs.Handled = true;
}
if (ViewModel.IsCaptchaPageVisible)
{
var storyboard = (Storyboard)Resources["CaptchaModalHideStoryboard"];
if (storyboard == null) return;
storyboard.Begin();
ViewModel.GoBackToStartCommand.Execute(null);
backPressedEventArgs.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (Frame.CanGoBack)
{
e.Handled = true;
this.Frame.Navigate(typeof(MainPage), null);
}
}
private void MainPage_BackPressed(object sender, BackPressedEventArgs e)
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (Frame.CanGoBack)
Frame.GoBack();
else
Frame.Navigate(typeof(Start));
e.Handled = true;
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (InstanceMessageService.RootFrame != null && InstanceMessageService.RootFrame.CanGoBack)
{
e.Handled = true;
InstanceMessageService.RootFrame.GoBack();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (!e.Handled)
{
e.Handled = true;
Task t = BackButtonPressed();
}
}
private void BackPressed(object s, BackPressedEventArgs args)
{
if (ConfirmationWeb.Visibility == Visibility.Visible && ConfirmationWeb.CanGoBack && confWebUrl != confUrl)
{
ConfirmationWeb.GoBack();
args.Handled = true;
}
}
// handle hardware back button press
void OnBackPressed(object sender, BackPressedEventArgs e)
{
var shell = (Shell)Window.Current.Content;
if (shell.RootFrame.CanGoBack) {
e.Handled = true;
shell.RootFrame.GoBack();
}
}
public void OnBackPressed(object sender, BackPressedEventArgs e)
{
if (Frame.CanGoBack)
{
e.Handled = true;
Frame.GoBack();
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (appBarToggleButton.IsChecked == true)
{
appBarToggleButton.IsChecked = false;
e.Handled = true;
}
}
private void OnBackPressed(object sender, BackPressedEventArgs e)
{
if (this.RootFrame != null && this.RootFrame.CanGoBack)
{
e.Handled = true;
this.RootFrame.GoBack();
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (IsPaneOpen)
{
IsPaneOpen = false;
e.Handled = true;
}
}
private void BackPressed(object s, BackPressedEventArgs args)
{
if (LoginGrid.Visibility == Visibility.Collapsed)
{
ResetView();
args.Handled = true;
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (VideoViewComboBox.IsDropDownOpen)
{
VideoViewComboBox.IsDropDownOpen = false;
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame frame = Window.Current.Content as Frame;
if (frame.CanGoBack)
{
ServiceLocator.Current.GetInstance<INavigationService>().NavigateTo(ViewModelLocator.MainPageKey);
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
var dataContext = this.DataContext as DetailViewModel;
if (dataContext != null)
{
dataContext.NavigateBackCommand.Execute(null);
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)//重写后退按钮，如果要对所有页面使用，可以放在App.Xaml.cs的APP初始化函数中重写。
{
Frame rootFrame = Window.Current.Content as Frame;
if (rootFrame != null && rootFrame.CanGoBack)
{
rootFrame.GoBack();
e.Handled = true;
}
}
/// <summary>
/// Press Back to Exit the App
/// </summary>
/// <param name="pageFrame">Frame</param>
/// <param name="e">BackPressedEventArgs</param>
public static void ExitOnBackPressed(Frame pageFrame, BackPressedEventArgs e)
{
e.Handled = true;
if (!pageFrame.CanGoBack)
{
Application.Current.Exit();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (!MainHub.SectionsInView.First().Equals(MainHub.Sections.First()))
{
e.Handled = true;
//TODO ANIMATE me
MainHub.ScrollToSection(MainHub.Sections.First());
}
}
}//end MainPage() constructor
//Event listener for the back hardware button
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
//if we can go back then go back
if (Frame.CanGoBack)
{
e.Handled = true;
Frame.GoBack();
}
}//end HardwareButtons_BackPressed()
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame rootFrame = Window.Current.Content as Frame;
if (Frame.CanGoBack)
{
e.Handled = true;
Frame.GoBack();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame frame = Window.Current.Content as Frame;
if (frame == null)
{
return;
}
if (frame.CanGoBack)
{
frame.GoBack();
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
// We need to manually hide the keyboard input UI when the back button is pressed
if (KeyboardInput.IsVisible)
{
KeyboardInput.Cancel(null);
}
else
{
_backPressed = true;
}
e.Handled = true;
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (calendarShowed)
{
e.Handled = true;
Hide_Calendar();
return;
}
if (MainPage.Theme_Changed)
{
e.Handled = true;
Application.Current.Exit();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
ct.Cancel();
if (bandClient != null)
{
bandClient.Dispose();
bandClient = null;
}
if (Frame.CanGoBack)
{
e.Handled = true;
Frame.GoBack();
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
var navigationService = InstanceFactory.GetInstance <INavigationService>();
if (navigationService.CanGoBack)
{
e.Handled = true;
navigationService.GoBack();
}
else
{
Exit();
}
}
/// <summary>
/// Handles back button press. If app is at the root page of app, don't go back and the
/// system will suspend the app.
/// </summary>
/// <param name="sender">The source of the BackPressed event.</param>
/// <param name="e">Details for the BackPressed event.</param>
private void OnBackPressed(object sender, BackPressedEventArgs e)
{
RootFrame = Window.Current.Content as Frame;
if (RootFrame == null)
{
return;
}
if (RootFrame.CanGoBack)
{
RootFrame.GoBack();
e.Handled = true;
}
}
/// <summary>
/// <see cref="Windows.UI.Xaml.Input.HardwareButtons.BackPressed"/> イベントで追加の処理を実行します。
/// </summary>
/// <param name="sender">イベントを発生させた <see cref="System.Object"/>。</param>
/// <param name="e">イベントのデータを格納する <see cref="Windows.UI.Xaml.Input.BackPressedEventArgs"/>。</param>
private void OnHardwareButtonsBackPressed(object sender, BackPressedEventArgs e)
{
var viewModel = this.AssociatedObject.DataContext as ViewModel;
if (viewModel != null)
{
var command = viewModel.GoBackCommand as ICommand;
if (command.CanExecute(null) == true)
{
command.Execute(null);
e.Handled = true;
}
}
}
private void OnBackPressed(object sender, BackPressedEventArgs e)
{
if (this.Frame.CanGoBack)
{
CharacteristicVM.UnregisterVMFromModel();
this.Frame.GoBack();
e.Handled = true;
if (CharacteristicVM.CharacteristicM.DictionaryModelChanged)
{
// This is not critical and doesn't have to block execution, run on a separate thread
Utilities.RunFuncAsTask(GlobalSettings.CharacteristicDictionaryUnknown.SaveDictionaryAsync);
}
}
}
private void HardwareButtonsOnBackPressed(object sender, BackPressedEventArgs e)
{
if (UiBlockerUtility.SupressBackEvents)
{
e.Handled = true;
if (SupressBackEvent != null)
{
SupressBackEvent(this, e);
}
}
else if (Navigator.GoBack())
{
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame rootFrame = Window.Current.Content as Frame;
e.Handled = true;
if (rootFrame != null && rootFrame.CanGoBack)
{
e.Handled = true;
rootFrame.GoBack();
}
else
{
Application.Current.Exit();
}
}
async void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
e.Handled = true;
if (commandBar.Visibility == Windows.UI.Xaml.Visibility.Collapsed)
{
commandBar.Visibility = Windows.UI.Xaml.Visibility.Visible;
progressBar.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
HideSetting();
await _chmFile.Save();
}
else
{
LeavePage();
}
}
private void OnBackPressed(object sender, BackPressedEventArgs e)
{
var rootFrame = Window.Current.Content as Frame;
if (rootFrame == null)
{
throw new ArgumentNullException(nameof(rootFrame));
}
if (rootFrame.CanGoBack)
{
e.Handled = true;
rootFrame.GoBack();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame frame = Window.Current.Content as Frame;
if (frame == null)
{
return;
}
if (SimpleNotesList.SelectionMode.Equals(ListViewSelectionMode.Multiple))
{
UnsetMultipleSelection();
e.Handled = true;
return;
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (Frame == null)
{
return;
}
// Navigate back if possible, and if the event has not
// already been handled .
if (Frame.CanGoBack && e.Handled == false)
{
e.Handled = true;
Frame.GoBack();
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame frame = Window.Current.Content as Frame;
if (frame == null)
{
frame.Navigate(typeof(BlankPage1test));
}
if (frame.CanGoBack)
{
frame.Navigate(typeof(BlankPage1test));
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (_htmltianqiV.CanGoBack)
{
//进行浏览器后退
_htmltianqiV.GoBack();
//禁止返回的那种后退
PublicS.CanBeBack = false;
}
else
{
//允许后退
PublicS.CanBeBack = true;
}
}
private void OnHardwareBackPressed(object sender, BackPressedEventArgs e)
{
OnBackPressed(e);
if (e.Handled)
{
return;
}
if (CanGoBack)
{
e.Handled = true;
GoBack();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
// Here we handle the hardware button back pressed
// Grab the current view from the root frame
// If the view isn't our main menu, we call the Close method to peform normal navigation
// If we determine we are currently on the starting view of the app, let the device handle the event.
var content = _rootFrame.Content as IMvxView;
IMvxViewModel viewModel = content.DataContext as IMvxViewModel;
if (viewModel as IngresarViewModel == null)
{
Close(viewModel);
e.Handled = true;
}
}
private async void OnBackPressed(object sender, BackPressedEventArgs e)
#endif
{
var lastPopupPage = PopupNavigation.PopupStack.LastOrDefault();
if (lastPopupPage != null)
{
e.Handled = true;
var isPrevent = lastPopupPage.SendBackButtonPressed();
if (!isPrevent)
{
await PopupNavigation.PopAsync();
}
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
//Frame rootFrame = Window.Current.Content as Frame;
//if (rootFrame.CanGoBack)
//{
// e.Handled = true;
// rootFrame.GoBack();
//}
Frame rootFrame = Window.Current.Content as Frame;
if (rootFrame.CanGoBack)
{
e.Handled = true;
rootFrame.GoBack();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame rootFrame = Window.Current.Content as Frame;
if (rootFrame == null)
{
return;
}
// If we can go back and the event has not already been handled, do so.
if (rootFrame.CanGoBack && e.Handled == false)
{
e.Handled = true;
rootFrame.GoBack();
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
if (GridComments.Visibility == Visibility.Visible)
{
GridComments.Visibility = Visibility.Collapsed;
}
else
{
Frame rootFrame = Window.Current.Content as Frame;
if (Frame.CanGoBack)
{
e.Handled = true;
Frame.GoBack();
}
}
}
private void OnBackPressed(object sender, BackPressedEventArgs e)
{
var Frame = Window.Current.Content as Frame;
if (Frame.CurrentSourcePageType == typeof(Edit))
{
e.Handled = true;
Frame.Navigate(typeof(MainPage));
}
else
if (Frame.CurrentSourcePageType != typeof(MainPage))
{
e.Handled = true;
Frame.GoBack();
}
}//support back hardware button press
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Frame frame = Window.Current.Content as Frame;
if (frame == null)
{
return;
}
if (frame.CanGoBack)
{
heartRateMonitorViewModel.StopServices();
frame.GoBack();
e.Handled = true;
}
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
Windows.Phone.UI.Input.HardwareButtons.BackPressed -=
HardwareButtons_BackPressed;
var rootFrame = Window.Current.Content as Frame;
rootFrame.Navigate(typeof(chatPage));
Frame.BackStack.RemoveAt(Frame.BackStack.Count - 1);
Frame.BackStack.RemoveAt(Frame.BackStack.Count - 1);
Frame.BackStack.RemoveAt(Frame.BackStack.Count - 1);
e.Handled = true;
}
private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
var vm = ((RootPageViewModel)DataContext);
if (vm.Popup == 1)
{
vm.Popup = 0;
e.Handled = true;
return;
}
if (innerFrame.CanGoBack)
{
innerFrame.GoBack();
e.Handled = true;
return;
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
var frame = Window.Current.Content as Frame;
if (frame != null)
{
if (frame.CanGoBack)
{
frame.GoBack();
e.Handled = true;
}
else
{
Exit();
}
}
}
private void OnBackPressed(object sender, BackPressedEventArgs e)
{
if (this.Frame.CanGoBack)
{
Characteristics.Unregister();
this.Frame.GoBack();
e.Handled = true;
if (ServiceVM.ServiceM.DictionaryModelChanged)
{
// This is not critical and doesn't have to block execution
// Make sure this is done at the end of this function, as it returns
// once the first blocking call is encountered
Utilities.RunFuncAsTask(GlobalSettings.ServiceDictionaryUnknown.SaveDictionaryAsync);
}
}
}
private void OnBackpressed(object sender, BackPressedEventArgs e)
{
//获取Frame对象实例
Frame rootFrame = Window.Current.Content as Frame;
if (rootFrame != null)
{
//如果Frame对象可以进行后退操作
//则应该组织时间传播到系统
//并调用GoBack方法
if (rootFrame.CanGoBack)
{
e.Handled = true;
rootFrame.GoBack();
}
}
}
void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)
{
var rootFrame = Window.Current.Content as Frame;
if (rootFrame == null)
{
return;
}
// Navigate back if possible, and if the event has not
// already been handled .
if (rootFrame.CanGoBack && e.Handled == false)
{
e.Handled = true;
rootFrame.GoBack();
}
}
