TopRow (ULONG) - input

Top row to be scrolled.

LeftCol (ULONG) - input

Left column to be scrolled.

BotRow (ULONG) - input

Bottom row to be scrolled.

RightCol (ULONG) - input

Right column to be scrolled.

Lines (ULONG) - input

Number of lines.

Number of lines to be inserted at the top of the screen area being scrolled. If 0 is specified, no lines are scrolled.

Cell (PBYTE) - input

Cell to be written.

Address of the character-attribute pair (2 or 4 bytes) used as a fill character on inserted lines.

VioHandle (HVIO) - input

Vio presentation-space handle.

This must be 0, unless the caller is a Presentation Manager application; in this case, it must be the value returned by VioCreatePS.

rc (APIRET) - returns

Return code.

VioScrollDown returns one of the following values:

• NO_ERROR 355
  ERROR_VIO_MODE
  358
  ERROR_VIO_ROW
  359
  ERROR_VIO_COL
  421
  ERROR_VIO_INVALID_PARMS
  436
  ERROR_VIO_INVALID_HANDLE

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