UILabel *myLabel = [[UILabelalloc] initWithFrame:CGRectMake(100,100, 320, 40)];
NSMutableAttributedString *content = [[NSMutableAttributedStringalloc] initWithString:@"initWithFrame"];
NSRange contentRange = {0, [contentlength]};
[content addAttribute:NSUnderlineStyleAttributeNamevalue:[NSNumbernumberWithInteger:NSUnderlineStyleSingle]range:contentRange];
myLabel.attributedText = content;
[self.viewaddSubview:myLabel];
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