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 SWPVIDMDE()
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 Purpose:
 Enable or disable restoring of the video page and mode after the swap.

 Syntax:
 lValue = SWPVIDMDE(lValue)

 Parameters:
 lValue  Enable / disable indicator.

 Returns:
 The previous setting.

 Default:
 Disabled.

 Description:
 When enabled, this function causes the swap kernel to save the video mode
 and active page prior to the swap, and restore them following the swap.
 Note that the contents of the video buffer are not saved.

 Example:
 SWPVIDMDE(.T.)    // Save video mode when swapping