public void Attach(DependencyObject associatedObject)
{
AssociatedObject = associatedObject;
_dispatcher = WindowExManager.Current().Dispatcher;
Central.Messenger.Subscribe <Messages.BackRequestedMessage>(this, e =>
{
Interaction.ExecuteActions(AssociatedObject, Actions, null);
});
}
public NavButtonBehavior()
{
if (!Windows.ApplicationModel.DesignMode.DesignModeEnabled)
{
_dispatcher = WindowExManager.Current().Dispatcher;
_throttleHelper = new EventThrottleHelper {
Throttle = 1000
};
}
}
private static async Task <T> ShowAsync <T>(Func <Task <T> > show, IDispatcherEx dispatcher)
{
await _showAsyncSemaphoreSlim.WaitAsync();
try
{
dispatcher = dispatcher ?? WindowEx.Current().Dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
return(await dispatcher.DispatchAsync(async() => await show()));
}
finally
{
_showAsyncSemaphoreSlim.Release();
}
}
public void Attach(DependencyObject associatedObject)
{
AssociatedObject = associatedObject;
_dispatcher = WindowEx.Current().Dispatcher;
_BackButtonService.BackRequested += BackButtonService_NavigateBack;
}
public static async Task <ContentDialogResult> ShowAsyncEx(this ContentDialog contentDialog, IDispatcherEx dispatcher = null) => await ShowAsync(async() => await contentDialog.ShowAsync(), dispatcher);
/*
* Safely show dialogs without overlapping them, which is not allowed in WinRT
*/
public static async Task <IUICommand> ShowAsyncEx(this MessageDialog messageDialog, IDispatcherEx dispatcher = null)
=> await ShowAsync(async() => await messageDialog.ShowAsync(), dispatcher);
