It is good practice when manipulating properties of the graphics object to restore them to the original values when finished.
在操作图形对象的属性时,在完成之后将这些属性恢复成原来的值是一种很好的做法。
Restore the original caller's AMR and LR values.
恢复原始调用者的AMR和LR的值。
In this circumstance, the safest process to restore the original state of the entire collection is to overwrite all the items with all their original property values.
在此情况下,还原整个集合的原始状态的最安全的流程是:使用项目的所有原始属性值覆盖所有项目。
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