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**ScrollOne( **//scrollevent //**), VIRTUAL, PROTECTED**

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| **ScrollOne** | Scrolls up or down one browse list item. |
| //scrollevent// | A numeric constant, variable, EQUATE, or expression that indicates the requested scroll action. Valid scroll actions for this method are scrolls up or down a single list item. |

The **ScrollOne **method scrolls up or down one browse list item.

**Implementation:**

The BrowseClass.TakeScroll method calls the ScrollOne method.

A hexadecimal //scrollevent //value of EVENT:ScrollUp scrolls up one list item. A value of EVENT:ScrollDown scrolls down one list item. Corresponding scroll event EQUATEs are declared in EQUATES.CLW:

**EVENT:ScrollUp      EQUATE (03H)**

**EVENT:ScrollDown    EQUATE (04H)**

**Example:**

**BrowseClass.TakeScroll PROCEDURE( SIGNED Event )**

** CODE**

** IF RECORDS(SELF.ListQueue)**

**  CASE Event**

**  OF Event:ScrollUp OROF Event:ScrollDown**

**   SELF.ScrollOne( Event )**

**  OF Event:PageUp OROF Event:PageDown**

**   SELF.ScrollPage( Event )**

**  OF Event:ScrollTop OROF Event:ScrollBottom**

**   SELF.ScrollEnd( Event )**

**  END**

** END**

**See Also:     **[[takescroll  process a scroll event .htm|TakeScroll]]