dll/shellext/netshell/enumlist.h

   1 #pragma once
   2
   3 typedef struct tagGUIDStruct
   4 {
   5     BYTE dummy; /* offset 01 is unknown */
   6     GUID guid;  /* offset 02 */
   7 } GUIDStruct;
   8
   9 #define PT_GUID 0x1F
  10
  11 typedef struct tagPIDLDATA
  12 {
  13     BYTE type;                  /*00*/
  14     union
  15     {
  16         struct tagGUIDStruct guid;
  17         struct tagVALUEStruct value;
  18     } u;
  19 } PIDLDATA, *LPPIDLDATA;
  20
  21 typedef struct tagENUMLIST
  22 {
  23     struct tagENUMLIST *pNext;
  24     PITEMID_CHILD pidl;
  25 } ENUMLIST, *LPENUMLIST;
  26
  27 class CEnumIDList final :
  28     public IEnumIDList
  29 {
  30     public:
  31         CEnumIDList();
  32         BOOL AddToEnumList(PITEMID_CHILD pidl);
  33
  34         // IUnknown
  35         virtual HRESULT WINAPI QueryInterface(REFIID riid, LPVOID *ppvOut);
  36         virtual ULONG WINAPI AddRef();
  37         virtual ULONG WINAPI Release();
  38
  39         // IEnumIDList
  40         virtual HRESULT STDMETHODCALLTYPE Next(ULONG celt, PITEMID_CHILD *rgelt, ULONG *pceltFetched);
  41         virtual HRESULT STDMETHODCALLTYPE Skip(ULONG celt);
  42         virtual HRESULT STDMETHODCALLTYPE Reset();
  43         virtual HRESULT STDMETHODCALLTYPE Clone(IEnumIDList **ppenum);
  44
  45     private:
  46         ~CEnumIDList();
  47
  48         LONG        m_ref;
  49         LPENUMLIST  m_pFirst;
  50         LPENUMLIST  m_pLast;
  51         LPENUMLIST  m_pCurrent;
  52 };