Knowledge Point review-picture stretching remains non-deformed

1 1.2 //1. Create a Picture object3UIImage *image = [UIImage imagenamed:@"Buttongreen"];4 5     //2. Create a picture that can be stretched according to the picture6image = [Image Resizableimagewithcapinsets:uiedgeinsetsmake (Ten,Ten,Ten,Ten)];7 8 [self.btn setbackgroundimage:image forstate:uicontrolstatenormal];9 Ten 2. One  A     //1. Create a Picture object -UIImage *image = [UIImage imagenamed:@"Chat"]; -  the     //2. Get an area that can be stretched -CGFloat Imagew =Image.size.width; -CGFloat Imageh =Image.size.height; -     //3. Create a picture that can be stretched according to the picture +image = [Image Resizableimagewithcapinsets:uiedgeinsetsmake (Imageh *0.5, Imagew *0.5, Imageh *0.5, Imagew *0.5) Resizingmode:uiimageresizingmodetile]; -[Self.btn setbackgroundimage:image Forstate:uicontrolstatenormal];

Knowledge Point review-picture stretching remains non-deformed