Function GetTag( _
   ByVal row As Integer, _
   ByVal column As Integer _
) As Object

Dim instance As ISheetDataModel
Dim row As Integer
Dim column As Integer
Dim value As Object
 
value = instance.GetTag(row, column)

object GetTag( 
   int row,
   int column
)

FarPoint.Win.Spread.Model.ISheetDataModel isd;
isd = (FarPoint.Win.Spread.Model.ISheetDataModel)fpSpread1.ActiveSheet.Models.Data;
isd.SetTag(0, 0, "AppTag");
label1.Text = "The application tag for the first cell is " + isd.GetTag(0, 0).ToString();

Dim isd As FarPoint.Win.Spread.Model.ISheetDataModel
isd = FpSpread1.ActiveSheet.Models.Data
isd.SetTag(0, 0, "AppTag")
Label1.Text = "The application tag for the first cell is " & isd.GetTag(0, 0).ToString()