C#

 <br />
<br />
Form1 frmGetData=new Form1();<br />
<br />
frmGetData.ShowDialog();<br />
<br />
Data myData=frmGetData.GetData(); //class defined to hold the data<br />
<br />
Form2 frmUseData=new From2(myData);<br />
<br />
frmUseData.Show();<br />
<br />

<br />
public string MyValue<br />
{<br />
get<br />
{<br />
return "This is my value";<br />
}<br />
}<br />
<br />

<br />
Form2 obj = new Form2();<br />
MessageBox.Show(obj.MyValue);

Thanks and Regards,
Michael Sync ( Blog: http://michaelsync.net)

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<br />
        MdiForm frm;<br />
        public Form1(MdiForm frm)<br />
        {<br />
            InitializeComponent();<br />
            this.frm=frm;<br />
        }<br />
<br />
        private void button1_Click(object sender, EventArgs e)<br />
        {<br />
            this.frm.label1.Text = "Hello"; //I set modifiers of Label1 to public<br />
            Application.DoEvents(); //just for forcing  changes to apply immediately<br />
        }<br />

<br />
<br />
namespace TestForms<br />
{<br />
    public partial class Form1 : Form<br />
    {<br />
        Form2 frm;<br />
        public Form1(Form2 frm)<br />
        {<br />
            InitializeComponent();<br />
            this.frm = frm;<br />
        }<br />
<br />
        private void button1_Click(object sender, EventArgs e)<br />
        {<br />
            frm.label1.Text = "Hello";<br />
<br />
        }<br />
    }<br />
<br />
<br />
<br />
// the mdi form<br />
    public partial class Form2 : Form<br />
    {<br />
        public Form2()<br />
        {<br />
            InitializeComponent();<br />
            Form1 frm = new Form1(this);<br />
            frm.Show();<br />
        }<br />
    }<br />
}<br />
<br />