dragDireaction property
AxisDirection
get
dragDireaction
拖拽开始时的方向
Implementation
AxisDirection get dragDireaction {
assert(
_dragDireaction != null,
'ElDrag Error: 只有当指针第一次触发移动时才会初始化 dragDireaction 变量,在此之前请不要访问它!',
);
return _dragDireaction!;
}