Because Rolf and Sebastien said that if I add it I will hide the real issue of 
my problems.
However Miguel stated that the cause may be they missed to keep a reference 
somewhere.
So I don't really know whose fault it is but as the Xamaritans are so much 
smarte, I guess it's mine. :-)

Meanwhile I have added the constructor to the problematic UITableViewCell 
subclass and I can see that it calls:
SetSelect(), SetHighlighted() and LayoutSubviews() (in this order).
If I just return in case the cell was constructed from the IntPtr ctor 
eveything works like charm. The layout is correct, no crashes. But why the heck 
is it called in the first place? I'm sure it's no me who's calling it.

You can read into the Xamarin comments in these threads:
http://stackoverflow.com/q/8383461/304870
http://stackoverflow.com/q/8344613/304870


René

Am 07.12.2011 um 21:03 schrieb Rene Ruppert:

> 
> And there's one more thing I would like to add: If I put a breakpoint in 
> SetSelected() of the cell I can see that it is called constantly (even for 
> cells constructed without using the IntPtr) but the interesting thing is that 
> the call stack is always pretty small and does not show where the call is 
> coming from.
> It contains these two lines and that's it:
> 
> MonoTouch.UIKit.UIApplication.Main (args={string[0]}, 
> principalClassName="UIApplicationMain", delegateClassName="AppDelegateIPad") 
> in 
> 
> /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:29
> Browser.Application.Main (args={string[0]}) in 
> /Users/Krumelur/Documents/Develop/.../Main.cs:15
> 
> So something seems to trigger it magically.
> 
> René
> 
> Am 07.12.2011 um 20:55 schrieb Rene Ruppert:
> 
>> Hi,
>> 
>> I'm still struggling with the IntPtr Constructor issue I started on SO.
>> I got a bit further meanwhile.
>> 
>> The case is: I'm subclassing UITableViewCell and do not provide the 
>> IntPtr:ctor.
>> 
>> By adding the ctor and breaking in there I figured out what ObjC wants my 
>> class to do: it is calling void SetSelected ( bool selected, bool animated ).
>> 
>> This means "something" wants to select my cell. I looked through my code and 
>> found exactly ONE place where I call SelectRow(). I commented that out and 
>> STILL it goes through the ctor and to SetSelected().
>> 
>> What are my options now? Does UITableViewCell maybe always require the 
>> IntPtr ctor?
>> What could possibly still select a row in a UITableView besides SelectRow()?
>> 
>> René
>> 
> 

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