private void OnMouseUp()
{
AdjustPointerID();
if (opStatus == "down")
{
OnClicked.SC(dragFrom.x, dragFrom.y);
}
else if (opStatus == "dragging")
{
OnEndDragging.SC(dragFrom.x, dragFrom.y, lastDraggingPos.x, lastDraggingPos.y);
}
opStatus = "default";
}