Hit Test Options

This section lists the option values that are used with the dwOptions parameter of the HitTestThemeBackground function. For a list of the values returned when you specify one of these options, see Hit Test Return Values.

Option Values

The following table lists the hit test options.

Option	Value	Description
HTTB_BACKGROUNDSEG	0x00000000	Theme background segment hit test option.
HTTB_FIXEDBORDER	0x00000002	Fixed border hit test option.
HTTB_CAPTION	0x00000004	Caption hit test option.
HTTB_RESIZINGBORDER	(HTTB_RESIZINGBORDER_LEFT | HTTB_RESIZINGBORDER_TOP | HTTB_RESIZINGBORDER_RIGHT | HTTB_RESIZINGBORDER_BOTTOM)	Resizing border hit test options.
HTTB_RESIZINGBORDER_LEFT	0x00000010	Resizing left border hit test option.
HTTB_RESIZINGBORDER_TOP	0x00000020	Resizing top border hit test option.
HTTB_RESIZINGBORDER_RIGHT	0x00000040	Resizing right border hit test option.
HTTB_RESIZINGBORDER_BOTTOM	0x00000080	Resizing bottom border hit test option.
HTTB_SIZINGTEMPLATE	0x00000100	Resizing border is specified as a template, not just window edges. This option is mutually exclusive with HTTB_SYSTEMSIZINGMARGINS; HTTB_SIZINGTEMPLATE takes precedence.
HTTB_SYSTEMSIZINGMARGINS	0x00000200	Uses the system resizing border width rather than visual style content margins. This option is mutually exclusive with HTTB_SIZINGTEMPLATE; HTTB_SIZINGTEMPLATE takes precedence.