This code will help you to Transfer Values From One Form to another Using Windows Application.
This is an simple Scenario where The First Form Has a Button and A text box
When the user clicks on the Button the second form pops up which has only one textbox when the user types in the Second Forms textbox and closes the Form the Textbox value passes to the First Form's textbox.
Private Sub Form2_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
Form1.TextBox1.Text = TextBox1.Text