private void btnMin4_Click(object sender, EventArgs e) { Quality4 -= 1; if (Quality4 < 0) { Quality4 = 0; btnMin4.Enabled = false; } tbQuality4.Text = Quality4.ToString(); }
private void btnPlus4_Click(object sender, EventArgs e) { Quality4 += 1; btnMin4.Enabled = true; tbQuality4.Text = Quality4.ToString(); }