vb.net 中IAccessible怎样声明

vb.net 中IAccessible怎样声明

Private Declare Function AccessibleChildren Lib "oleacc" (ByVal paccContainer As IAccessible, ByVal iChildStart As Long, ByVal cChildren As Long, rgvarChildren As Object, pcObtained As Long) As Long

这样申明 出错 其中 IAccessible

http://www.brainbell.com/tutors/Visual_Basic/Retrieving_Accessibility_Information.htm