/// <summary>
/// Launches the Criteria Form and makes the request to IQFeed based on user input.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCriteria_Click(object sender, EventArgs e)
{
// clear the listboxes before the next request is made.
lstPuts.Items.Clear();
lstCalls.Items.Clear();
// validate a symbol was entered
if (txtSymbol.Text.Equals(""))
{
MessageBox.Show("Please enter a symbol");
}
else
{
// Display criteria message box
CriteriaForm frmCriteria = new CriteriaForm();
if (frmCriteria.ShowDialog(this) == DialogResult.Cancel)
{
// cancel button or 'X' was pressed. Do nothing
}
else
{
// build and make request
string sCommand = "";
// I have manually added the following properties to the criteriaForm:
// security Type, FilterType, MonthCodes, NearMonths, Leaps, Years, Filter1, and Filter2
// To view how these properties are populated based upon user input, view criteria.cs
if (frmCriteria.SecurityType.Equals("ieoption"))
{
sCommand = String.Format("CEO,{0},{1},{2},{3},{4},{5},{6},{7},{8}\r\n", txtSymbol.Text, frmCriteria.PutsCalls, frmCriteria.MonthCodes, frmCriteria.NearMonths.ToString(), frmCriteria.Binary, frmCriteria.FilterType.ToString(), frmCriteria.Filter1.ToString(), frmCriteria.Filter2.ToString(), txtRequestID.Text);
}
else if (frmCriteria.SecurityType.Equals("future"))
{
sCommand = String.Format("CFU,{0},{1},{2},{3},{4}\r\n", txtSymbol.Text, frmCriteria.MonthCodes, frmCriteria.Years, frmCriteria.NearMonths.ToString(), txtRequestID.Text);
}
else if (frmCriteria.SecurityType.Equals("foption"))
{
sCommand = String.Format("CFO,{0},{1},{2},{3},{4},{5}\r\n", txtSymbol.Text, frmCriteria.PutsCalls, frmCriteria.MonthCodes, frmCriteria.Years, frmCriteria.NearMonths.ToString(), txtRequestID.Text);
}
else if (frmCriteria.SecurityType.Equals("fspread"))
{
sCommand = String.Format("CFS,{0},{1},{2},{3},{4}\r\n", txtSymbol.Text, frmCriteria.MonthCodes, frmCriteria.Years, frmCriteria.NearMonths.ToString(), txtRequestID.Text);
}
else
{
MessageBox.Show("There was a problem with the Request type specified on the Criteria Form.");
}
if (sCommand.Length > 0)
{
// send it to the feed via the socket
SendRequestToIQFeed(sCommand);
// call wait for data to notify the socket that we are ready to receive data
WaitForData("Chains");
}
}
frmCriteria.Dispose();
}
}
private void CriteriaButton_Click(object sender, EventArgs e)
{
CriteriaForm criteriaForm = new CriteriaForm();
criteriaForm.Show();
}
