HD_HITTESTINFO

The HD_HITTESTINFO structure contains information about a hit test.

typedef struct _HD_HITTESTINFO {

POINT pt;

UINT flags;

int iItem;

} HD_HITTESTINFO;

Members

pt

Points to test, in client coordinates

flags

Variable that receives information about the results of a hit test. This member can be one or more of the following values:

Value	Meaning
HHT_NOWHERE	The point is inside the bounding rectangle of the header control but is not over a header item.
HHT_ONDIVIDER	The point is on the divider between two header items.
HHT_ONDIVOPEN	The point is on the divider of an item that has a width of zero. Dragging the divider reveals the item instead of resizing the item to the left of the divider.
HHT_ONHEADER	The point is inside the bounding rectangle of the header control.
HHT_TOLEFT	The point is to the left of the bounding rectangle of the header control.
HHT_TORIGHT	The point is to the right of the bounding rectangle of the header control.

Two of these values can be combined, such as when the position is above and to the left of the client area.

iItem

Receives the index of item at point, if any.

Remarks

This structure is used with the HDM_HITTEST message.

See Also

HDM_HITTEST

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