admin Messages 1,701 Reaction score 288 Website tehadm.ru Nov 6, 2019 #1 C#: double sum = 0; for(int i=0;i<listBox1.Items.Count;i++) { sum += Convert.ToDouble(listBox1.Items[i]); }
C#: double sum = 0; for(int i=0;i<listBox1.Items.Count;i++) { sum += Convert.ToDouble(listBox1.Items[i]); }