Thanks guys, that was the problem, There are so many little things to learn
with Objective C.
Steve
Steve’s daily photo blog
On Jul 17, 2010, at Jul 17:3:04 PM, Carter Allen wrote:
> Steve,
>
> Have you tried changing "<<" in your code to simply "<"? That may work.
>
> - Carter Allen
>
> On Jul 17, 2010, at 1:58 PM, Steve Wetzel wrote:
>
>> Hi all,
>>
>> I am new to Cocoa programming and am trying to do something that I thought
>> was straightforward but not working. I am using the tag field of a button
>> to tell me what button is pushed. This code does not work
>>
>> - (IBAction) numberPressed:(id)sender {
>> NSLog(@"Sender tag is:%d", [sender tag]);
>> if ([sender tag] << 10) {
>> displayValues.rawNumber = [displayValues.rawNumber
>> stringByAppendingString:[NSString stringWithFormat:@"%d", [sender tag]]];
>> }
>>
>> buttons with tags 1-9 work great but the button with tag 0 does not. When I
>> pass tag 0 the if statement is evaluated as false.
>>
>> When I press button with tag 1 I get "Sender tag is:1" and the if statement
>> is evaluated as true.
>> When I press button with tag 0 I get "Sender tag is:0" and the if statement
>> is evaluated as false.
>>
>> What is going wrong here?
>>
>> Steve
>> Steve’s daily photo blog
>>
>>
>>
>>
>>
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