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copied!<p>Use this code for set particular content height:</p> <pre><code> NSString *finalString=@"d jdsfhksd fsdfhjkds fkdhsfjkdsf kdsfhjkdsf sdjkfsdfh dsfhsfisudi udsifhisdhf sdhfkh sdkf dshf ksdh fkhsd khsdfh sdkhf sdhkfhsdjkfhdshf sdfhdshf hsdfh ksdhf kdhsf hsdkfhsdkhf sdf hsdkfh dsf sdkhf ksdhf hsdfh sdhfksdhf sd ksdhsdh ksdh dhs hsdh ksdh dhs fhsdfh dsfsdfdf sdf sd sd dsf sd fsdf ds"; int length =200; UIFont *font=[UIFont fontWithName:@"Helvetica" size:17.0f]; NSString *firstPartString=[NSString stringWithString:finalString]; CGSize firstPartStringSize = [firstPartString sizeWithFont:font constrainedToSize:CGSizeMake(195,MAXFLOAT) lineBreakMode:NSLineBreakByWordWrapping]; while(firstPartStringSize.height > length) { firstPartString = [firstPartString substringWithRange:NSMakeRange(0, firstPartString.length-1)]; firstPartStringSize = [firstPartString sizeWithFont:font constrainedToSize:CGSizeMake(195,MAXFLOAT) lineBreakMode:NSLineBreakByWordWrapping]; } if(firstPartStringSize.height <= length) { while(![[firstPartString substringToIndex:[firstPartString length]-1] isEqualToString:@" "]) { NSLog(@"%@",[firstPartString substringFromIndex:[firstPartString length]-1]); if([firstPartString substringFromIndex:[firstPartString length]-1].length !=0 && ![[firstPartString substringFromIndex:[firstPartString length]-1] isEqualToString:@" "]) { firstPartString = [firstPartString substringWithRange:NSMakeRange(0, firstPartString.length-1)]; } else { break; } } } NSString *resultStr=firstPartString; int secondPartStringLength=[finalString length]-firstPartString.length; NSRange secondPartStringRange=NSMakeRange(firstPartString.length, secondPartStringLength); NSString *secondPartString=[finalString substringWithRange:secondPartStringRange]; </code></pre>

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