fpSpread1.Sheets[0].ShowEditingRowSelector = true;
FarPoint.Win.Spread.SpreadView wrkbk = fpSpread1.GetRootWorkbook();
wrkbk.SetImage(FarPoint.Win.Spread.SpreadView.EditingRowSelector, Image.FromFile("C:\\Program Files (x86)\\GrapeCity\\Spread Studio\\Common\\SD.ico"));
fpSpread1.Sheets(0).ShowEditingRowSelector = True
Dim wrkbk As FarPoint.Win.Spread.SpreadView = fpSpread1.GetRootWorkbook()
wrkbk.SetImage(FarPoint.Win.Spread.SpreadView.EditingRowSelector, Image.FromFile("C:\Program Files (x86)\GrapeCity\Spread Studio\Common\SD.ico"))