/*************************************************************************
* This source file is provided as a supplement to the SI_COMM ActiveX.
*
* SI_COMM.OCX Copyright (C) 1998-2003 Software Innovations Inc
* All rights reserved.
*
* Software Innovations Inc.
* 72 Prospect Hill Rd.
* Wallkill, NY 12589
*
* tel 845-566-1919
*email support@sinnovations.com
* http://www.sinnovations.com
*
************************************************************************/

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace BreakOutBox
{
 /// <summary>
 /// Summary description for Form1.
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private AxSI_COMMLib.AxSI_COMM axSI_COMM1;
  private System.Windows.Forms.Label lbl_DCD_State;
  private System.Windows.Forms.Label lbl_CTS_State;
  private System.Windows.Forms.Label lbl_DSR_State;
  private System.Windows.Forms.Label lbl_RING_State;
  /// <summary>
  /// Required designer variable.
  /// </summary>
  private System.ComponentModel.Container components = null;
  
  public Form1()
  {
   InitializeComponent();
  }
  
  /// <summary>
  /// Clean up any resources being used.
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
    components.Dispose();
    }
   }
   base.Dispose( disposing );
  }
  
  #region Windows Form Designer generated code
  /// <summary>
  /// Required method for Designer support - do not modify
  /// the contents of this method with the code editor.
  /// </summary>
  private void InitializeComponent()
  {
  // Designer initializiation code removed for clarity...
  }
  #endregion
  
  /// <summary>
  /// The main entry point for the application.
  /// </summary>
  [STAThread]
  static void Main()
  {
  Application.Run(new Form1());
  }
  
  //' ****************************************************************
  //' These routines will check the state of the specified signal and
  //' update the programs display accordingly.
  //' ****************************************************************
  
  private void UpdateCTS()
  {
   if (this.axSI_COMM1.CTS == true)
   {
    lbl_CTS_State.Text = "CTS : HIGH";
    lbl_CTS_State.ForeColor = System.Drawing.Color.Green;
   }
   else
   {
    lbl_CTS_State.Text = "CTS : LOW";
    lbl_CTS_State.ForeColor = System.Drawing.Color.Black;
   }
  }
  private void UpdateDCD()
  {
   if (this.axSI_COMM1.DCD == true)
   {
    lbl_DCD_State.Text = "DCD : HIGH";
    lbl_DCD_State.ForeColor = System.Drawing.Color.Green;
   }
   else
   {
    lbl_DCD_State.Text = "DCD : LOW";
    lbl_DCD_State.ForeColor = System.Drawing.Color.Black;
   }
  }
  private void UpdateRing()
  {
   if (this.axSI_COMM1.RI == true)
   {
    lbl_RING_State.Text = "RING : HIGH";
    lbl_RING_State.ForeColor = System.Drawing.Color.Green;
   }
   else
   {
    lbl_RING_State.Text = "RING : LOW";
    lbl_RING_State.ForeColor = System.Drawing.Color.Black;
   }
  
  }
  private void UpdateDSR()
  {
   if (this.axSI_COMM1.DSR == true)
   {
    lbl_DSR_State.Text = "DSR : HIGH";
    lbl_DSR_State.ForeColor = System.Drawing.Color.Green;
   }
   else
   {
    lbl_DSR_State.Text = "DSR : LOW";
    lbl_DSR_State.ForeColor = System.Drawing.Color.Black;
   }
  }
  
  private void Form1_Load(object sender, System.EventArgs e)
  {
   this.axSI_COMM1.PortNumber = SI_COMMLib.enumPortNumber.COMM01;
   this.axSI_COMM1.PortOpen = true;
  
  //' Turn on the delta events for the RS232 signals. This will cause SI_COMM
  //' to fire a CommEvent when one of these signals change state.
  
   this.axSI_COMM1.DeltaCTS = true;
   this.axSI_COMM1.DeltaDCD = true;
   this.axSI_COMM1.DeltaDSR = true;
   this.axSI_COMM1.DeltaRI = true;
  
  //'Read in the current state of the ports pins
   this.UpdateCTS();
   this.UpdateDCD();
   this.UpdateDSR();
   this.UpdateRing();
  
  }
  //' ****************************************************************
  //' CommEvent handler. This event will get fired when one of the
  //' RS232 signals change.
  //' ****************************************************************
  private void axSI_COMM1_CommEvent(object sender,   AxSI_COMMLib._DSI_COMMEvents_CommEventEvent e)
  {
  
   switch ((SI_COMMLib.enumEventCode)e.iEventCode)
   {
   case SI_COMMLib.enumEventCode.DeltaCTSEvent:
  
    this.UpdateCTS ();
    break;
  
   case SI_COMMLib.enumEventCode.DeltaDCDEvent:
  
    this.UpdateDCD();
    break;
  
   case SI_COMMLib.enumEventCode.DeltaDSREvent:
  
    this.UpdateDSR();
    break;
  
   case SI_COMMLib.enumEventCode.DeltaRIEvent:
  
    this.UpdateRing();
    break;
  
   }
  }
  //' ****************************************************************
  //' You should always close the port before leaving the program
  //' ****************************************************************
  private void Form1_Closed(object sender, System.EventArgs e)
  {
   this.axSI_COMM1.PortOpen = false;
  }
 }
}