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在NSCollectionView拖动多个项目时,会有一个带有数字的红色圆圈,表示拖动项目的数量。我需要操纵这个数字或至少隐藏它。谁能给我一个线索如何做到这一点?这是一个拖入查找器的示例,但我要的是我自己的应用程序:
NSCollectionView