Returns true if TpropName on the Tobject is true, false if it is false, otherwise (if its undefined etc), it returns Tdefault (that it self defaults to false)
true
false
Tdefault
Returns
true
if TpropName on the Tobject istrue
,false
if it isfalse
, otherwise (if its undefined etc), it returnsTdefault
(that it self defaults tofalse
)