1 // Windows/COM.h 2 3 #ifndef __WINDOWS_COM_H 4 #define __WINDOWS_COM_H 5 6 #include "../Common/MyString.h" 7 8 namespace NWindows { 9 namespace NCOM { 10 11 #ifdef _WIN32 12 13 class CComInitializer 14 { 15 public: 16 CComInitializer() 17 { 18 #ifdef UNDER_CE 19 CoInitializeEx(NULL, COINIT_MULTITHREADED); 20 #else 21 // it's single thread. Do we need multithread? 22 CoInitialize(NULL); 23 #endif 24 }; 25 ~CComInitializer() { CoUninitialize(); } 26 }; 27 28 class CStgMedium 29 { 30 STGMEDIUM _object; 31 public: 32 bool _mustBeReleased; 33 CStgMedium(): _mustBeReleased(false) {} 34 ~CStgMedium() { Free(); } 35 void Free() 36 { 37 if (_mustBeReleased) 38 ReleaseStgMedium(&_object); 39 _mustBeReleased = false; 40 } 41 const STGMEDIUM* operator->() const { return &_object;} 42 STGMEDIUM* operator->() { return &_object;} 43 STGMEDIUM* operator&() { return &_object; } 44 }; 45 46 #endif 47 48 /* 49 ////////////////////////////////// 50 // GUID <--> String Conversions 51 UString GUIDToStringW(REFGUID guid); 52 AString GUIDToStringA(REFGUID guid); 53 #ifdef UNICODE 54 #define GUIDToString GUIDToStringW 55 #else 56 #define GUIDToString GUIDToStringA 57 #endif 58 59 HRESULT StringToGUIDW(const wchar_t *string, GUID &classID); 60 HRESULT StringToGUIDA(const char *string, GUID &classID); 61 #ifdef UNICODE 62 #define StringToGUID StringToGUIDW 63 #else 64 #define StringToGUID StringToGUIDA 65 #endif 66 */ 67 68 }} 69 70 #endif 71
