public override void CopyDataTo(StageOperationParameters target)
{
base.CopyDataTo (target);
CrotateStageOperationParameters t = (CrotateStageOperationParameters)target;
t.mAngle = mAngle;
t.mAspectRatio = mAspectRatio;
t.mAspectRatioCustom = mAspectRatioCustom;
t.mAspectRatioPreset = mAspectRatioPreset;
t.mCenter = mCenter;
t.mCropWidth = mCropWidth;
t.mCropHeight = mCropHeight;
t.mMode = mMode;
t.OnChanged();
}