Do you've VFP8 SP1 installed ?

>I have a quicken-style control I rigged up that worked brilliantly under VFP6 & 7. It uses a container with a txtbox and a listbox and an array as a property used to populate the listbox. I can still use it in 8 but there seems to be a catch. I am trying to populate the property array with 19000 Rows with 2 columns (38000 elements). In 6 & 7 this wasn't an issue, I could populate the array and refresh the listbox using This.lstItems.Rowsource = THIS.lstItems.Rowsource with RowSourceType = 5. Under 8, the listbox does not populate from the array. I can get this control to work like it did under 6 & 7 with only a few elements.
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>Is there any new limits placed on listboxes under 8?
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>TIA,
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>Richard