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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