public Task <NSObject> RunTransactionAsync(TransactionUpdateHandler updateHandler)
{
var tcs = new TaskCompletionSource <NSObject> ();
RunTransaction(updateHandler, (result_, error_) => {
if (error_ != null)
{
tcs.SetException(new NSErrorException(error_));
}
else
{
tcs.SetResult(result_);
}
});
return(tcs.Task);
}
public void RunTransaction(TransactionUpdateHandler updateHandler, TransactionCompletionHandler completion)
{
_RunTransaction(InternalUpdateHandler, completion);
NSObject InternalUpdateHandler(Transaction transaction, IntPtr pError)
{
if (updateHandler == null)
{
return(null);
}
NSError error = null;
var result = updateHandler(transaction, ref error);
if (error != null)
{
Marshal.WriteIntPtr(pError, error.Handle);
}
return(result);
}
}
