public void IncreaseProgress(long amount)
{
// aborta caso o valor fornecido seja inválido
if (amount <= 0)
{
return;
}
if ((currentAmount + amount) >= totalAmount)
{
progressListener.ProgressConcluded(); // Avisa o listener
return;
}
currentAmount = currentAmount + amount;
double ratio = (double)currentAmount / (double)totalAmount;
progressListener.ProgressChanged((int)(ratio * 100)); // Avisa o listener
}