public override void DidEnterBackground(UIApplication application)
{
var operation = new SuspendingOperation(DateTime.Now.AddSeconds(10));
Suspending?.Invoke(this, new ApplicationModel.SuspendingEventArgs(operation));
_suspended = true;
}
partial void OnSuspendingPartial()
{
var operation = new SuspendingOperation(DateTime.Now.AddSeconds(10));
Suspending?.Invoke(this, new ApplicationModel.SuspendingEventArgs(operation));
_suspended = true;
}
partial void OnSuspendingPartial()
{
var operation = new SuspendingOperation(DateTime.Now.AddSeconds(30), () =>
{
Suspended = true;
NSApplication.SharedApplication.KeyWindow.PerformClose(null);
});
Suspending?.Invoke(this, new SuspendingEventArgs(operation));
operation.EventRaiseCompleted();
}
partial void OnSuspendingPartial()
{
var completed = false;
var operation = new SuspendingOperation(DateTime.Now.AddSeconds(0), () => completed = true);
Suspending?.Invoke(this, new SuspendingEventArgs(operation));
if (!completed && this.Log().IsEnabled(LogLevel.Warning))
{
this.Log().LogWarning($"This platform does not support asynchronous Suspending deferral. Code executed after the of the method called by Suspending may not get executed.");
}
}
async public void App_Suspending(object sender, object e)
{
SuspendingOperation op = (e as SuspendingEventArgs).SuspendingOperation;
SuspendingDeferral deferral = op.GetDeferral();
//Begin 5 seconds
await SaveFile(false, false);
//End 5 seconds
deferral.Complete();
}
public SuspendStateMessage(SuspendingOperation operation)
{
Operation = operation;
}
/// <summary>
/// Hook method that is called when the page is suspended.
/// Remember that <see cref="OnNavigatedFromAsync(IDictionary{string, object}, bool)"/> is not called in this case.
/// </summary>
/// <param name="op">The suspension args.</param>
public virtual Task OnSuspendingAsync(SuspendingOperation op)
{
return(Task.FromResult <object>(null));
}
internal SuspendingEventArgs(SuspendingOperation operation)
{
SuspendingOperation = operation;
}
internal SuspendingEventArgs(SuspendingOperation operation)
{
SuspendingOperation = operation ?? throw new ArgumentNullException(nameof(operation));
}
