onDragStart method
Implementation
@mustCallSuper
void onDragStart(int pointerId, DragStartInfo info) {
_onGenericEventReceived((c) => c.handleDragStart(pointerId, info));
}
@mustCallSuper
void onDragStart(int pointerId, DragStartInfo info) {
_onGenericEventReceived((c) => c.handleDragStart(pointerId, info));
}