iOS Question Trapping HOME or POWER button press?

Arf said:

Is there any way I can trap a HOME or POWER button press in B4i, and use it as a control to close a page?

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The app will move to the background. You cannot change this behavior. Application_Background event will be raised.

Arf said:

Or alternatively, change the timings of the LongClick event on panels so that the trigger time is way longer (like 2 seconds or so)?

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You cannot change the LongClick timing however you can implement your own "long click" event by handling the touch event.
You can use CallSubPlus for this. Call a sub after x milliseconds when the action is DOWN. Store the current action in a global variable. When the sub runs check whether the action is still DOWN or MOVE.