extentTotal property
The total quantity of content available.
This is the sum of extentBefore, extentInside, and extentAfter, modulo any rounding errors.
Implementation
double get extentTotal => maxScrollExtent - minScrollExtent + viewportDimension;The total quantity of content available.
This is the sum of extentBefore, extentInside, and extentAfter, modulo any rounding errors.
double get extentTotal => maxScrollExtent - minScrollExtent + viewportDimension;