Rule 14.4 and the explanation is not enough to understand why

[dg1980]

Just to be clear, you don't need to use the boolean type, but you need to form a boolean expression, e.g.

Code:

if ((udtEvents & (tudtKalEvents)udtSTOP_EVENT) != 0u)
{
  vidStop();
}

It´s all about avoiding implicit conversion as much as possible.