cancel event order

Hi,
I'am using eventBeforeRowSelect to check some conditions before the other row is actually selected. Is there a possibility to stop selecting the row? For example if a condition is false I don't want to switch to a different row - so I would like to stop the event order.
Thanks in advance.
I'am using eventBeforeRowSelect to check some conditions before the other row is actually selected. Is there a possibility to stop selecting the row? For example if a condition is false I don't want to switch to a different row - so I would like to stop the event order.
Thanks in advance.