VioGetBuf - Parameters

LVBPtr (PULONG) - output

Pointer to the logical video buffer address.

Length (PULONG) - output

Pointer to the length of the buffer, in bytes.

The length is the number of rows, times the number of columns, times the size of the cell.

VioHandle (HVIO) - input

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.

VioGetBuf returns one of the following values:

• NO_ERROR 355
  ERROR_VIO_MODE
  421
  ERROR_VIO_INVALID_PARMS
  430
  ERROR_VIO_ILLEGAL_DURING_POPUP
  436
  ERROR_VIO_INVALID_HANDLE

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