public int QueryService(
	ref Guid guidService,
	ref Guid riid,
	out IntPtr ppvObject
)

Public Function QueryService ( 
	ByRef guidService As Guid,
	ByRef riid As Guid,
	<OutAttribute> ByRef ppvObject As IntPtr
) As Integer

public:
virtual int QueryService(
	Guid% guidService, 
	Guid% riid, 
	[OutAttribute] IntPtr% ppvObject
) sealed

abstract QueryService : 
        guidService : Guid byref * 
        riid : Guid byref * 
        ppvObject : IntPtr byref -> int 
override QueryService : 
        guidService : Guid byref * 
        riid : Guid byref * 
        ppvObject : IntPtr byref -> int