Specifies scrollbars and scroll commands.
Values:
| IG_DSPL_SCROLL_HORIZONTAL | Identifies horizontal scrollbar in the scrolling API. |
| IG_DSPL_SCROLL_VERTICAL | Identifies vertical scrollbar in the scrolling API. |
| IG_DSPL_HSCROLLBAR | Specifies a bitmask used to extract horizontal scrollbar attributes from scrolling mode value. |
| IG_DSPL_HSCROLLBAR_AUTO | Specifies that horizontal scrollbar is displayed automatically when needed. |
| IG_DSPL_HSCROLLBAR_ENABLE | Specifies that horizontal scrollbar is always displayed. |
| IG_DSPL_HSCROLLBAR_DISABLE | Specifies that horizontal scrollbar is always disabled and hidden. |
| IG_DSPL_VSCROLLBAR | Specifies a bitmask used to extract vertical scrollbar attributes from scrolling mode value. |
| IG_DSPL_VSCROLLBAR_AUTO | Specifies that vertical scrollbar is displayed automatically when needed. |
| IG_DSPL_VSCROLLBAR_ENABLE | Specifies that vertical scrollbar is always displayed. |
| IG_DSPL_VSCROLLBAR_DISABLE | Specifies that vertical scrollbar is always disabled and hidden. |