public static Task <int> CalculateUVsAsync(this DMesh3 dMesh)
{
TaskCompletionSource <int> tcs1 = new TaskCompletionSource <int>();
Task <int> t1 = tcs1.Task;
t1.ConfigureAwait(false);
// Start a background task that will complete tcs1.Task
Task.Factory.StartNew(() => {
dMesh.CalculateUVs();
tcs1.SetResult(1);
});
return(t1);
}