/// <summary>
/// 边框移动，参数均是偏移量
/// </summary>
/// <param name="xOff"></param>
/// <param name="yOff"></param>
/// <param name="wOff"></param>
/// <param name="hOff"></param>
protected override void FrameMove(float xOff, float yOff, float wOff, float hOff)
{
DataBk.State = ControlState.FrameMove;
DataBk.FixRate = Calculation.GetFixPointRate(xOff, yOff, wOff, hOff);
NewRect = Calculation.OffsetRect(DataBk.Rect, xOff, yOff, wOff, hOff);
SetRect(CalculateOffset());
}
