| 摘要 |
The present invention provides a method, data processing system and computer program product in which a progressively changing warning is provided to the user of a computer system, over a period of time, to indicate that a pop-up window is to be displayed and given focus. The warning may be a visual and/or an audible effect. In an example visual effect the pop-up window is initially displayed transparently and progressively faded into view by reducing the level of transparency. In an example audible signal is initially output at a low volume and the column is progressively increased. Further the time period of the warning may be varied according to user activity.
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