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Returns the position of the horizontal scroll bar's "thumb" (from 0 to 255) on a window, IMAGE, TEXT, LIST or COMBO with the HSCROLL attribute. Setting this causes the control or window's contents to scroll horizontally.

**Example:**

**Que     QUEUE**

**F1      STRING(50)**

**F2      STRING(50)**

**F3      STRING(50)**

**      END**

**WinView   WINDOW('View'),AT(,,340,200),SYSTEM,CENTER**

**       LIST,AT(20,0,300,200),USE(?List),FROM(Que),IMM,HVSCROLL  |**

**         FORMAT('80L#1#80L#2#80L#3#')**

**      END**

** CODE**

** OPEN(WinView)**

** DO BuildListQue**

** ACCEPT**

**  CASE FIELD()**

**  OF ?List**

**   CASE EVENT()**

**   OF EVENT:ScrollDrag**

**    CASE (?List{PROP:HscrollPos} % 200) + 1**

**    OF 1**

**     ?List{PROP:Format} = '80L#1#80L#2#80L#3#'**

**    OF 2**

**     ?List{PROP:Format} = '80L#2#80L#3#80L#1#'**

**    OF 3**

**     ?List{PROP:Format} = '80L#3#80L#1#80L#2#'**

**    END **

**    DISPLAY  **

** . . .**

** FREE(Que)**

**BuildListQue  ROUTINE**

** LOOP 15 TIMES**

**  Que.F1 = 'F1F1F1F1'**

**  Que.F2 = 'F2F2F2F2'**

**  Que.F3 = 'F3F3F3F3'**

**  ADD(Que)**

** END**