Public Delegate Sub SheetTabClickEventHandler( _
   ByVal sender As Object, _
   ByVal e As SheetTabClickEventArgs _
) 

Dim instance As New SheetTabClickEventHandler(AddressOf HandlerMethod)

public delegate void SheetTabClickEventHandler( 
   object sender,
   SheetTabClickEventArgs e
)

fpSpread1.SheetTabClick += new FarPoint.Win.Spread.SheetTabClickEventHandler(fpSpread1SheetTabClick);

private void fpSpread1SheetTabClick(object sender, FarPoint.Win.Spread.SheetTabClickEventArgs e)
{

}

Dim eh As FarPoint.Win.Spread.SheetTabClickEventHandler = AddressOf FpSpread1SheetTabClick
AddHandler FpSpread1.SheetTabClick, eh

Private Sub FpSpread1SheetTabClick(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.SheetTabClickEventArgs) Handles
FpSpread1.SheetTabClick

End Sub