Set bit to 0.
Source position: syshelph.inc line 1119
| public function TCardinalHelper.ClearBit( | 
| const Index: TCardinalBitIndex | 
| ):Cardinal; | 
ClearBit puts value 0 to bit number determined by argument Index.
| 
 | Set bit to 1. | |
| 
 | Invert bit. | |
| 
 | Check bit. | |
| 
 | Return the position of the leftmost bit set. | |
| 
 | Return the position of the rightmost bit set. | |
| 
 | Count number of bits set. | |
| 
 | Read or write a bit. |