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PHP Manual

Checkbox Tree Flags

Checkbox Tree Flags
constant meaning
NEWT_CHECKBOXTREE_UNSELECTABLE  
NEWT_CHECKBOXTREE_HIDE_BOX  
NEWT_CHECKBOXTREE_COLLAPSED  
NEWT_CHECKBOXTREE_EXPANDED  
NEWT_CHECKBOXTREE_UNSELECTED  
NEWT_CHECKBOXTREE_SELECTED  

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PHP Manual