Public Overridable Function IsSelected( _
   ByVal row As Integer, _
   ByVal column As Integer _
) As Boolean

Dim instance As BaseSheetSelectionModel
Dim row As Integer
Dim column As Integer
Dim value As Boolean
 
value = instance.IsSelected(row, column)

public virtual bool IsSelected( 
   int row,
   int column
)

private void menuItem1_Click(object sender, System.EventArgs e)
{
FarPoint.Win.Spread.Model.BaseSheetSelectionModel selModel;
selModel = (FarPoint.Win.Spread.Model.BaseSheetSelectionModel)fpSpread1.ActiveSheet.Models.Selection;
selModel.AddSelection(0,0,3,4);
}

private void menuItem2_Click(object sender, System.EventArgs e)
{
FarPoint.Win.Spread.Model.BaseSheetSelectionModel selModel;
bool b;
selModel = (FarPoint.Win.Spread.Model.BaseSheetSelectionModel)fpSpread1.ActiveSheet.Models.Selection;
b = selModel.IsSelected(1, 1);
listBox1.Items.Add(b.ToString());
}

Private Sub MenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem1.Click
Dim selModel As FarPoint.Win.Spread.Model.BaseSheetSelectionModel
selModel = FpSpread1.ActiveSheet.Models.Selection
selModel.AddSelection(0, 0, 3, 4)
End Sub

Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click
Dim selModel As FarPoint.Win.Spread.Model.BaseSheetSelectionModel
Dim b As Boolean
selModel = FpSpread1.ActiveSheet.Models.Selection
b = selModel.IsSelected(1, 1)
ListBox1.Items.Add(b.ToString())
End Sub