how to write the code for one form properties is calling to all form.for example i want to create kayboard control in one form that form is navigating and also activate to all forms

how to write the code for one form properties is calling to all form

//coding on keyboard control properties
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace EBilling
{
    public partial class frmKeyBoardControl : Form
    {
       // public static string KeyBoardPosition;
        public TextBox textbox;
        public frmKeyBoardControl keyboardControlDetails;
        //public EmployeeDetails employeedetails;
        public frmKeyBoardControl()
        {
            InitializeComponent();
        }
        public void CallkeyPressEvent()
        {
           //keyboardcontrol1_UserKeyPressed+= new KeyEventArgs(k)
            //List.Changed += new EventHandler(ListChanged);
            //keyboardcontrol1_UserKeyPressed += new KeyEventArgs(keyboardcontrol1_KeyPress );
            //keyboardcontrol1_UserKeyPressed+= new key
            //keyboardcontrol1_UserKeyPressed += new key
        }
   
        private void keyboardcontrol1_UserKeyPressed(object sender, KeyboardClassLibrary.KeyboardEventArgs e)
        {
            SendKeys.Send(e.KeyboardKeyPressed);
        }

        private void keyboardcontrol1_Load(object sender, EventArgs e)
        {

          
        }

        private void keyboardcontrol1_KeyPress(object sender, KeyPressEventArgs e)
        {
            //KeyBoardPosition = ;
        }


    }
}




//calling keyboard control form



  private void txtGodownArea_Enter(object sender, EventArgs e)
        {
            frmKeyBoardControl obj = new frmKeyBoardControl();
            obj.Show();
            //List.Changed += new EventHandler(ListChanged);
            //txtGodownArea.Text = obj.KeyPress+=new KeyPressEventHandler(obj_KeyPress);
            //txtGodownArea.Text = obj.CallkeyPressEvent();
            //b2.Click += new RoutedEventHandler(Onb2Click);
            //txtGodownArea.Text = obj.KeyPress + = new
           
           
           
         }