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

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

public virtual object GetTag( 
   int row,
   int column
)

FarPoint.Win.Spread.Model.BaseSheetDataModel dataModel;
string s;
dataModel = (FarPoint.Win.Spread.Model.BaseSheetDataModel)fpSpread1.ActiveSheet.Models.Data;
dataModel.SetTag(0, 0, "TestTag");
s = dataModel.GetTag(0, 0);
listBox1.Items.Add(s);

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