private void BackButtonService_NavigateBack(object sender, Common.HandledEventArgs e)
{
if (!IsModal)
{
return;
}
if (CanBackButtonDismiss && DisableBackButtonWhenModal)
{
e.Handled = true;
IsModal = false;
}
else if (CanBackButtonDismiss && !DisableBackButtonWhenModal)
{
e.Handled = IsModal;
IsModal = false;
}
else if (!CanBackButtonDismiss && DisableBackButtonWhenModal)
{
e.Handled = true;
}
else if (!CanBackButtonDismiss && !DisableBackButtonWhenModal)
{
e.Handled = false;
}
}
public static Common.HandledEventArgs RaiseForwardRequested()
{
var args = new Common.HandledEventArgs();
ForwardRequested?.Invoke(null, args);
return(args);
}
public Common.HandledEventArgs RaiseBackRequested()
{
var cancelEventArgs = new CancelEventArgs();
BeforeBackRequested?.Invoke(null, cancelEventArgs);
if (cancelEventArgs.Cancel)
{
return(new Common.HandledEventArgs {
Handled = true
});
}
var handledEventArgs = new Common.HandledEventArgs();
BackRequested?.Invoke(null, handledEventArgs);
return(handledEventArgs);
}
Common.HandledEventArgs IBackButtonService2.RaiseForwardRequested()
{
var cancelEventArgs = new CancelEventArgs();
BeforeForwardRequested?.Invoke(null, cancelEventArgs);
if (cancelEventArgs.Cancel)
{
return(new Common.HandledEventArgs {
Handled = true
});
}
var handledEventArgs = new Common.HandledEventArgs();
ForwardRequested?.Invoke(null, handledEventArgs);
return(handledEventArgs);
}