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

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

public override object GetTag( 
   int row,
   int column
)

Dim dataModel As New FarPoint.Win.Spread.Model.DefaultSheetDataModel(5, 5)
Dim o As Object
dataModel.SetTag(0, 0, "TestTag")
FpSpread1.ActiveSheet.Models.Data = dataModel
o = dataModel.GetTag(0, 0)
ListBox1.Items.Add(o.ToString())

FarPoint.Win.Spread.Model.DefaultSheetDataModel dataModel = new FarPoint.Win.Spread.Model.DefaultSheetDataModel(5, 5);
object o;
dataModel.Settag(0, 0, "TestTag");
fpSpread1.ActiveSheet.Models.Data = dataModel;
o = dataModel.GetTag(0, 0);
listBox1.Items.Add(o.ToString());