public virtual async Task <TResult> Navigate <TParameter, TResult>(IMvxViewModel <TParameter, TResult> viewModel, TParameter param, IMvxBundle presentationBundle = null)
where TParameter : class
where TResult : class
{
RunViewModelLifecycle(viewModel);
var request = new MvxViewModelInstanceRequest(viewModel)
{
PresentationValues = presentationBundle?.SafeGetData()
};
var args = new NavigateEventArgs(viewModel);
OnBeforeNavigate(this, args);
var tcs = new TaskCompletionSource <TResult>();
viewModel.SetClose(tcs);
ViewDispatcher.ShowViewModel(request);
await viewModel.Initialize(param);
OnAfterNavigate(this, args);
try
{
return(await tcs.Task);
}
catch
{
return(default(TResult));
}
}