xcode - NSVisualEffectView with rounded corners -

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how display nsvisualeffectview with rounded corners in os x?

my code add nsvisualeffectview:

let visualeffectview = nsvisualeffectview(frame: nsmakerect(0, 0, 300, 300)) visualeffectview.material = nsvisualeffectmaterial.dark visualeffectview.blendingmode = nsvisualeffectblendingmode.behindwindow self.addsubview(visualeffectview)

you can enable layer backed views nsvisualeffectview setting wantslayer true , set cornerradius of backing layer:

    let visualeffectview = nsvisualeffectview(frame: nsmakerect(0, 0, 300, 300))     visualeffectview.material = nsvisualeffectmaterial.dark     visualeffectview.blendingmode = nsvisualeffectblendingmode.behindwindow     visualeffectview.wantslayer = true     visualeffectview.layer?.cornerradius = 15.0     self.view.addsubview(visualeffectview)

this results in effect view nice rounded corners:

enter image description here


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