C#

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

public class Form1 : Form
{
   [DllImport("user32.dll",CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
   public static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint cButtons, uint dwExtraInfo);

   private const int MOUSEEVENTF_LEFTDOWN = 0x02;
   private const int MOUSEEVENTF_LEFTUP = 0x04;
   private const int MOUSEEVENTF_RIGHTDOWN = 0x08;
   private const int MOUSEEVENTF_RIGHTUP = 0x10;

   public Form1()
   {
   }

   public void DoMouseClick()
   {
      //Call the imported function with the cursor's current position
      int X = Cursor.Position.X;
      int Y = Cursor.Position.Y;
      mouse_event(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP, X, Y, 0, 0);
   }

   //...other code needed for the application
}

//
     // Summary:
     //     Writes an object synchronously to an ADS device.
     //
     // Parameters:
     //   variableHandle:
     //     Handle of the ADS variable.
     //
     //   value:
     //     Object to write to the ADS device.
     public void WriteAny(int variableHandle, object value);

/// <summary>
       /// Set all IO ports LOW
       /// </summary>
       public void SetAllLow()
       {
           for (int i = 0; i < iNrIO; i++)
               _PinStructureQuality.iPinValues[i] = (int)(65535);
           try
           {
               if (e._ErrorCode == 0)
                   adsClient.WriteAny(hcomplexStruct, _PinStructureQuality);
           }
           catch
           {
               e._ErrorCode = 1;
               e._ErrorMessage = "Could not write pinning data to PLC";
               ErrorEvent(this, e);
               e._ErrorCode = 0;
               e._ErrorMessage = "";
           }
       }

Member 7889751 wrote:

I don't know at the time this Class is constructed whether I have 10, 24 or any
other number of pins. I would like to read this from a settings file or an XML
file containing a parameter telling what the size the array is.

Armando de la Torre wrote:

I couldn't stand the tedium of writting n-tier apps by hand.

Mycroft Holmes wrote:

I predict that almost no one will actually pay money for it if/when you do publish (remember we all built our own).