CGPDFArrayGetNull(_:_:)
Returns whether an object at a given index in a Quartz PDF array is a PDF null.
Declaration
func CGPDFArrayGetNull(_ array: CGPDFArrayRef, _ index: Int) -> BoolParameters
- array:
A PDF array. If this parameter is not a valid PDF array, the behavior is undefined.
- index:
The index of the value to retrieve. If the index is outside the index space of the array (
0toN-1, whereNis the count of the array), the behavior is undefined.
Return Value
Returns true if there is a PDF null at the specified index, otherwise false.