BasePopupViewModel.cs

using System.Threading.Tasks;
using NeuroAccessMaui.UI.Pages;
 
namespace NeuroAccessMaui.UI.Popups
{
    public class BasePopupViewModel : BaseViewModel
    {
        private readonly TaskCompletionSource<bool> popped = new(TaskCreationOptions.RunContinuationsAsynchronously);
 
        public Task Popped => this.popped.Task;
 
        internal async Task NotifyPoppedAsync()
        {
            await this.OnPopAsync();
            this.popped.TrySetResult(true);
        }
 
        protected virtual Task OnPopAsync()
        {
            return Task.CompletedTask;
        }
    }
}