Sometime error on PanelTreeView sample (only window) - Create24bitRGBPreview function return kFailure when any key pressed.

On PanelTreeView sample.

When i press Ctrl key( or other key) and click mouse to select item. Sometime preview image display incorrectly.

In PnlTrvCustomView::createPreview function:

I get result of Create24bitRGBPreview function. It returns kFailure.

Anybody has solution for this issue, help me please.

Many thanks.