private void fpSpread1_DragDropBlock(object sender, FarPoint.Win.Spread.DragDropBlockEventArgs e)
{
if (e.Overwrite == true)
{
e.Cancel = true;
}
}
Private Sub FpSpread1_DragDropBlock(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.DragDropBlockEventArgs) Handles
FpSpread1.DragDropBlock
If e.Overwrite = True Then
e.Cancel = True
End If
End Sub