multidiskscanner Busy property
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Applies to
dcMultiDiskScanner and dcDiskScanner components.  

property Busy: Boolean; // not published and read-only property!  

The Busy is the public property which indicates whether the scanning currently in progress (whether the dcMultiDiskScanner component is "Busy").  
When the component is "Busy", you can not call the Execute method. The Execute function will always return False when component is "busy".  

See also
Execute method.