Public Class MyListView
    Inherits ListView
    Public Event ColumnClick_RButton(ByVal CurPos As Point)
    Private Const WM_PARENTNOTIFY As Int32 = &H210
    Private Const WM_RBUTTONDOWN As Int32 = &H204
    Private Const WM_LBUTTONDOWN As Int32 = &H201
    Private Declare Function GetCursorPos Lib "user32.dll" (ByRef lpPoint As _
      POINTAPI) As Int32
    Private p As POINTAPI
 
    Private Structure POINTAPI
        Public x As Int32
        Public y As Int32
    End Structure
 
    Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message)
        If m.Msg = Me.WM_PARENTNOTIFY AndAlso m.WParam.ToInt32 = _
          Me.WM_RBUTTONDOWN Then
            Me.GetCursorPos(p)
            RaiseEvent ColumnClick_RButton(New Point(p.x, p.y))
        End If
        MyBase.WndProc(m)
    End Sub
End Class

    Private Sub ListView1_ColumnClick_RButton(ByVal CurPos As _
      System.Drawing.Point) Handles ListView1.ColumnClick_RButton
        MessageBox.Show("rechts-klick auf die columns-header")
    End Sub