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    <p>Do you want to change the transition style or do use a switch statement or both? And by scroll do you mean cover vertical?</p> <p>to change the transition style go: .m</p> <pre><code>#import "nextpage.h" @implementation myproject -(IBAction)transition:(id)sender { nextpage *first = [[nextpage alloc]initWithNibName:nil bundle:nil]; first.modaltransitionstyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:first animated:YES]; } </code></pre> <p>You can replace the </p> <pre><code>UIModalTransitionStyleFlipHorizontal </code></pre> <p>with</p> <pre><code>UIModalTransitionStylePartialCurl </code></pre> <p>and </p> <pre><code>UIModalTransitionStyleCoverVertical //default transition style </code></pre> <p>and</p> <pre><code>UIModalTransitionStyleCrossDissolve </code></pre> <p>If you want a switch statement switching between transitions it takes a bit more effort... in this case, each button will have a different tag (0, 1, 2, 3) and they are all connected to one action in IB. This is simply because the switch statement won't let you make variables inside it. .h</p> <pre><code>#import "myfile" @interface myproject UIViewController { myfile *first; } -(IBAction)myaction:(id)sender; </code></pre> <p>.m</p> <pre><code>#import "myfile" @implementation myproject -(IBAction)myaction:(id)sender { switch ([sender tag]) case 0: first = [[myfile alloc]initWithNibName:nil bundle:nil]; first.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:first animated:YES]; break; case 1: first = [[myfile alloc]initWithNibName:nil bundle:nil]; first.modalTransitionStyle = UIModalTransitionStylePartialCurl; [self presentModalViewController:first animated:YES]; break; case 2: first = [[myfile alloc]initWithNibName:nil bundle:nil]; first.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; [self presentModalViewController:first animated:YES]; break; case 0: first = [[myfile alloc]initWithNibName:nil bundle:nil]; first.modalTransitionStyle = UIModalTransitionStyleCoverVertical; [self presentModalViewController:first animated:YES]; break; default: break; } </code></pre> <p>switch statement only (please don't call me sir, I am younger than you think!)) .m -(IBAction)myaction:(id)sender { switch ([sender tag]) case 1: //what you want done break; case 2; //what you want done when the sender tag's tag is two break; //and so on... default: break; }</p> <p>an IBAction is simply an action that appears in the actions section in Interface Builder (IB= Interface Builder) the IBAction is used as an action that can be edited in the .m file to do virtually anything. If this is not the answer you wanted please make a comment on this answer.</p>
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    1. POUse a switch as page transition
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    1. USiphonemaniac
    1. USiphonemaniac
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    1. COsir may i ask if i need to use switch method only
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      1. USBenny Cheung
    2. COsorry i should ask accurately . My work has 8 page , each page is almost the same materials a background , alpha bar , frame , image ......... and how could i not use the scroll to change page , instead using the switch method so that when i each time click a certain area of the bar , so that the page will transit to another page , so sorry and my question is how to use the switch thank you iPhonemaniac for your precious time
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      1. USBenny Cheung
    3. COu are very powerful in objective c programming , really need ur help as i am very junior
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      1. USBenny Cheung
 

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