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Returns the position of the first bit that is set to False.
Source position: classesh.inc line 420
OpenBit returns the position of the first bit whose value is 0 (False), or -1 if no open bit was found. This call is equivalent to FindFirstBit(False), except that it doesn't set the position for the next searches.
None.
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Find first bit with a particular value  | 
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Searches the previous bit with a particular value.  | 
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Find first bit with a particular value  | 
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Sets the start position for FindNextBit and FindPrevBit  |