[MonoTouch] binding my own protocol

[Nic Wise]

Thanks - I'll give that a go.

On Wed, Dec 7, 2011 at 16:01, Robert Jordan <robertj at gmx.net> wrote:
> On 07.12.2011 12:52, Nic Wise wrote:
>> Hi there.
>>
>> I've been reading this:
>> http://docs.xamarin.com/ios/tutorials/Events%2c_Protocols_and_Delegates
>>
>> Am I correct in thinking I can make my own abstract class for a
>> protocol I want to use (UIAccessability in this case):
>>
>> [Register("UIAccessability", Model]
>> public abstract class UIAccessability : NSObject
>> {
>>    //methods and bindings using [Export] in here
>>    public virtual string AccessabilityLabel {
>>      [Export("accessibilityLabel")]get;
>>      [Export("setAccessibilityLabel:")]set;
>>    }
>> }
>>
>> Then, on a button, I could do:
>>
>> UIButton button = whatever's needed to set it up
>>
>> var acc = button as UIAccessability;
>>
>> if (acc != null)
>>    acc.AccessabilityLabel = "foo!";
>>
>> etc
>>
>> Correct? No need to btouch it, as I'm not bringing in a new library -
>> it's all in UIKit??
>
> Since UIAccessibility is an informal protocol, Obj-C classes
> don't adopt it, and direct bindings won't work as expected
> anyway.
>
> Try this extension class:
>
> http://pastebin.com/0bqJaP0B
>
>
> Robert
>
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Nic Wise
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