Public Property Cancel As Boolean

Dim instance As AutoFilteringColumnEventArgs
Dim value As Boolean
 
instance.Cancel = value
 
value = instance.Cancel

public bool Cancel {get; set;}

private void fpSpread1_AutoFilteringColumn(object sender, FarPoint.Win.Spread.AutoFilteringColumnEventArgs e) 
{ 
    if(e.Column <= 3)
             {
             e.Cancel = true;
             } 
} 

Private Sub FpSpread1_AutoFilteringColumn(ByVal sender As Object, ByVal e As
FarPoint.Win.Spread.AutoFilteringColumnEventArgs) Handles FpSpread1.AutoFilteringColumn
If e.Column <= 3 Then
e.Cancel = True
End If
End Sub