Public Delegate Sub TopChangeEventHandler( _
   ByVal sender As Object, _
   ByVal e As TopChangeEventArgs _
) 

Dim instance As New TopChangeEventHandler(AddressOf HandlerMethod)

public delegate void TopChangeEventHandler( 
   object sender,
   TopChangeEventArgs e
)

fpSpread1.TopChange += new FarPoint.Win.Spread.TopChangeEventHandler(fpSpread1TopChange);

private void fpSpread1TopChange(object sender, FarPoint.Win.Spread.TopChangeEventArgs e)
{

}

Dim eh As FarPoint.Win.Spread.TopChangeEventHandler = AddressOf FpSpread1TopChange
AddHandler FpSpread1.TopChange, eh

Private Sub FpSpread1TopChange(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.TopChangeEventArgs) Handles FpSpread1.TopChange

End Sub