accChild accChildCount accDefaultAction accDescription accDoDefaultAction accFocus accHelp accHelpTopic accHitTest accKeyboardShortcut accLocation accName accNavigate accParent accRole accSelect accSelection accState accValue DISPID_ACC_CHILD DISPID_ACC_CHILDCOUNT DISPID_ACC_DEFAULTACTION DISPID_ACC_DESCRIPTION DISPID_ACC_DODEFAULTACTION DISPID_ACC_FOCUS DISPID_ACC_HELP DISPID_ACC_HELPTOPIC DISPID_ACC_HITTEST DISPID_ACC_KEYBOARDSHORTCUT DISPID_ACC_LOCATION DISPID_ACC_NAME DISPID_ACC_NAVIGATE DISPID_ACC_PARENT DISPID_ACC_ROLE DISPID_ACC_SELECT DISPID_ACC_SELECTION DISPID_ACC_STATE DISPID_ACC_VALUE LPACCESSIBLE

HRESULT IAccessible::accHitTest ( [in] long  xLeft, [in] long  yTop, [out, retval] VARIANT *  pvarID  )