visibleColumnsCount property
int
visibleColumnsCount
visibleColumnsCount returns the number of columns currently visible, this one and all those nested within it.
Implementation
int get visibleColumnsCount {
int count = childrenExpanded && hideWhenExpanded ? 0 : 1;
if (children != null) {
for (var e in children!) {
count += e.visibleColumnsCount;
}
}
return count;
}