dropLine property
int
get
dropLine
Where a dragged row would land: a line is drawn along the top edge of this row, or along the bottom of the last row when it equals the row count. -1 draws nothing.
Implementation
int get dropLine => _dropLine;
set
dropLine
(int value)
Implementation
set dropLine(int value) {
if (_dropLine == value) return;
_dropLine = value;
markNeedsPaint();
}