Beispiel #1
0
 private void OnClickAdd(object sender, EventArgs e)
 {
     if (int.TryParse(NumberBox.Text, System.Globalization.NumberStyles.Integer, null, out int number))
     {
         if (Cliloc.IsNumberFree(number))
         {
             Cliloc.AddEntry(number);
             Close();
         }
         else
         {
             MessageBox.Show(
                 "Number not free.",
                 "Error",
                 MessageBoxButtons.OK,
                 MessageBoxIcon.Error,
                 MessageBoxDefaultButton.Button1);
         }
     }
     else
     {
         MessageBox.Show(
             "Error reading Number",
             "Error",
             MessageBoxButtons.OK,
             MessageBoxIcon.Error,
             MessageBoxDefaultButton.Button1);
     }
 }