Making the background invisible

Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim bmp As Bitmap = Bitmap.FromFile("C:\Users\james\Desktop\1.bmp")
        bmp.MakeTransparent(Color.White) ' white in bitmap will be transparent
        PictureBox1.Image = bmp
    End Sub
End Class