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Array of strings strict type def not updating

I have defined an Array of Strings (ctrl) as a strict type def. When I update this array (add another string to it) the values don't update where this control is used. Can someone please explain why this is occuring.
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Message 1 of 4
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A strict type definition only locks the type and properties of the strict type definition instances. The value and default value are not locked, but rather, are associated with the instance.

-Jim
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Message 2 of 4
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The size of the array is locked too. You can update values in the array that are within the size that you had initialized when you customized the control.
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Message 3 of 4
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Only the size of the array _shell_ is locked, not the size of the array data. The array shell is a window into the data of the array control. If you change the value of the index display you will change the indices visible inside the array shell.

-Jim
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