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.