Düzenle

Aracılığıyla paylaş

TVHITTESTINFO structure (commctrl.h)

  • Makale

Contains information used to determine the location of a point relative to a tree-view control. This structure is used with the TVM_HITTEST message. The structure is identical to the TV_HITTESTINFO structure, but it has been renamed to follow current naming conventions.

Syntax

typedef struct tagTVHITTESTINFO {
  POINT     pt;
  UINT      flags;
  HTREEITEM hItem;
} TVHITTESTINFO, *LPTVHITTESTINFO;

Members

pt

Type: POINT

Client coordinates of the point to test.

flags

Type: UINT

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

Value Meaning
TVHT_ABOVE
 Above the client area.
TVHT_BELOW
 Below the client area.
TVHT_NOWHERE
 In the client area, but below the last item.
TVHT_ONITEM
 On the bitmap or label associated with an item.
TVHT_ONITEMBUTTON
 On the button associated with an item.
TVHT_ONITEMICON
 On the bitmap associated with an item.
TVHT_ONITEMINDENT
 In the indentation associated with an item.
TVHT_ONITEMLABEL
 On the label (string) associated with an item.
TVHT_ONITEMRIGHT
 In the area to the right of an item.
TVHT_ONITEMSTATEICON
 On the state icon for a tree-view item that is in a user-defined state.
TVHT_TOLEFT
 To the left of the client area.
TVHT_TORIGHT
 To the right of the client area.

hItem

Type: HTREEITEM

Handle to the item that occupies the point.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header commctrl.h