private void VolcanicsButton_Click(object sender, EventArgs e)
        {
            int.TryParse(numberTextBox.Text, out int temp);

            if (temp > 0)
            {
                int planetNumber = Int32.Parse(numberTextBox.Text);
                Excel excel = OpenFileAt(10);
                string planet = excel.ReadCellString(planetNumber, 2); //read row planet number column c
                excel.Close();//dellocate
                numberTextBox.Text = planet;
                RetrievePicture("Vol", planetNumber);
            }
            else if (VolcanicZoundsCheckBox.Checked && VolcanicsCheckBox.Checked) //both
            {
                Excel excel = OpenFileAt(10);
                int planet = (int)excel.ReadCellDouble(1, 8); //amount of planets

                output.WriteLine("Volcanics: ");

                for (int i = 1; i <= planet; i++)
                {
                    WriteAllPlanetInfo(i, excel);
                }
                output.Flush();
                excel.Close();
                MessageBox.Show("Volcanics added to " + outputPath, "Completed");
            }
            else if (VolcanicZoundsCheckBox.Checked && !VolcanicsCheckBox.Checked) //Volcanic Zounds only
            {
                Excel excel = OpenFileAt(10);
                int planet = (int)excel.ReadCellDouble(2, 8); //amount of zounds

                output.WriteLine("Volcanic Zounds: ");

                for (int i = 1; i <= planet; i++)
                {
                    output.WriteLine(excel.ReadCellString(i, 5)); //column F
                }
                output.Flush();
                excel.Close();
                MessageBox.Show("Volcanics Zounds added to " + outputPath, "Completed");
            }
            else if (!VolcanicZoundsCheckBox.Checked && VolcanicsCheckBox.Checked) //normies only
            {
                Excel excel = OpenFileAt(10);
                int planet = (int)excel.ReadCellDouble(1, 8); //amount of planets

                output.WriteLine("Volcanic Non-Zounds: ");

                for (int i = 1; i <= planet; i++)
                {
                    string box = excel.ReadCellString(i, 2);
                    for (int j = 0; j < box.Length; j++)//go through string
                    {
                        if (box[j].Equals('.'))
                        {
                            if (j + 5 < box.Length && !box[j + 5].Equals('Z'))
                            {
                                output.WriteLine(excel.ReadCellString(i, 2)); //column C
                            }
                            else if (j + 3 == box.Length - 1 && !box[j - 4].Equals('.'))
                            {
                                output.WriteLine(excel.ReadCellString(i, 2)); //column C
                            }
                        }
                    }
                }
                output.Flush();
                excel.Close();
                MessageBox.Show("Volcanics without Zounds added to " + outputPath, "Completed");
            }
            else
            {
                MessageBox.Show("Nothing was selected");
            }
        }
 private Excel OpenFileAt(int num)
 {
     Excel excel = new Excel(excelPath, num);
     return excel;
 }