TVM_HITTEST message

Determines the location of the specified point relative to the client area of a tree-view control. You can send this message explicitly or by using the TreeView_HitTest macro.

Parameters

wParam

Must be zero.

lParam

Pointer to a TVHITTESTINFO structure. When the message is sent, the pt member specifies the coordinates of the point to test. When the message returns, the hItem member is the handle to the item at the specified point or NULL if no item occupies the point. Also, when the message returns, the flags member is a hit test value that indicates the location of the specified point. For a list of hit test values, see the description of the TVHITTESTINFO structure.

Return value

Returns the handle to the tree-view item that occupies the specified point, or NULL if no item 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