itemExtent property
The main-axis extent of each item.
If this is non-null, the itemExtentBuilder must be null. If this is null, the itemExtentBuilder must be non-null.
Implementation
double? get itemExtent;The main-axis extent of each item.
If this is non-null, the itemExtentBuilder must be null. If this is null, the itemExtentBuilder must be non-null.
double? get itemExtent;