Windows Forms

this.splitContainerMain.Size = new System.Drawing.Size(924, 496);

this.splitContainerMain.Panel1.Controls.Add(this.groupBoxUnrecognised);
this.splitContainerMain.Panel1MinSize = 370;
// 
// splitContainerMain.Panel2
// 
this.splitContainerMain.Panel2.Controls.Add(this.splitContainerDone);
this.splitContainerMain.Panel2MinSize = 370;

public partial class UI1 : Form
   {
       private static UI1 frm;

       public static UI1 GetInstance()
       {
           if (frm == null)
           {
               frm = new UI1();
           }
           return frm;
       }

       private UI1()
       {
           InitializeComponent();
       }

       public void ShowLabelCoordinates()
       {
           MessageBox.Show("Location: " + this.label1.Location.ToString() + " Position: "+
             this.label1.PointToScreen(this.label1.Location).ToString());
       }
   }

public partial class UI2 : Form
    {
        public UI2()
        {
            InitializeComponent();
        }
    }

UI1 frm = UI1.GetInstance();
            frm.MdiParent = this;
            frm.Show();
            frm.Focus();
            frm.ShowLabelCoordinates();

UI2 frm = new UI2();
            frm.MdiParent = this;
            frm.Show();
            frm.Focus();