I have set the ismdicontainer of form1 and in the menu click event i give the below code
VB Code:
  1. Private Sub mnuReg_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuReg.Click
  2.         Dim FC As New form2
  3.         FC.MdiParent = Me
  4.         FC.TopMost = True
  5.         FC.Show()
  6.     End Sub

but it is not acting as mdi child

help please