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例如:放大阴影,去除底部阴影,...
我试图覆盖 NSWindow 的invalidateShadow选择器,但是当窗口的阴影改变时它没有被调用。我不想删除阴影,我想防止阴影失效。什么时候调用invalidateShadow ?
怎么样..
NSWindow
NSView