iphone - how can i set part of the view appear at its child view -

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on child view, set backgroundcolor picture have transparent part.

[viewdown setbackgroundcolor:[[uicolor alloc] initwithpatternimage:[uiimage imagenamed:@"background_down.png"]]];

the transparent part don't have parent view's background, black color instead.

how can this.

thanks.

set opaque property no.

viewdown.opaque = no;

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