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SHGetFileInfo는 매우 유용한 API다
어찌나 친절한 지 File의 정보를 몽땅 건내준다
(심지어 아이콘 정보까지 말이다)

여기서는 간단하게 파일 속성을 알기 위한 용도로 사용했다

CString strDrive;
SHFILEINFO shInfo;
....
SHGetFileInfo(strDrive,0,&shInfo,sizeof(SHFILEINFO),SHGFI_TYPENAME | SHGFI_ATTRIBUTES);
....

if ( !(shInfo.dwAttributes & SFGAO_HIDDEN) )
    // 숨김파일은 제외한다 코딩

여기서 붉은색 플래그는
#define SHGFI_ICON              0x000000100             // get icon
#define SHGFI_DISPLAYNAME       0x000000200      // get display name
#define SHGFI_TYPENAME          0x000000400        // get type name
#define SHGFI_ATTRIBUTES        0x000000800         // get attributes
#define SHGFI_ICONLOCATION      0x000001000       // get icon location
#define SHGFI_EXETYPE           0x000002000           // return exe type
#define SHGFI_SYSICONINDEX      0x000004000        // get system icon index
#define SHGFI_LINKOVERLAY       0x000008000         // put a link overlay on icon
#define SHGFI_SELECTED          0x000010000           // show icon in selected state
#define SHGFI_ATTR_SPECIFIED    0x000020000        // get only specified attributes
#define SHGFI_LARGEICON         0x000000000          // get large icon
#define SHGFI_SMALLICON         0x000000001         // get small icon
#define SHGFI_OPENICON          0x000000002          // get open icon
#define SHGFI_SHELLICONSIZE     0x000000004       // get shell size icon
#define SHGFI_PIDL              0x000000008               // pszPath is a pidl
#define SHGFI_USEFILEATTRIBUTES 0x000000010    // use passed dwFileAttribute

로 정의 되어 있다
이 플래그를 or로 추가해주면 필요한 정보를 얻어올 수 있다

여기서 오랜지색 플래그는
#define SFGAO_CANCOPY           DROPEFFECT_COPY // Objects can be copied    (0x1)
#define SFGAO_CANMOVE           DROPEFFECT_MOVE // Objects can be moved     (0x2)
#define SFGAO_CANLINK           DROPEFFECT_LINK // Objects can be linked    (0x4)
#define SFGAO_STORAGE           0x00000008L     // supports BindToObject(IID_IStorage)
#define SFGAO_CANRENAME         0x00000010L     // Objects can be renamed
#define SFGAO_CANDELETE         0x00000020L     // Objects can be deleted
#define SFGAO_HASPROPSHEET      0x00000040L     // Objects have property sheets
#define SFGAO_DROPTARGET        0x00000100L     // Objects are drop target
#define SFGAO_CAPABILITYMASK    0x00000177L
#define SFGAO_ENCRYPTED         0x00002000L     // object is encrypted (use alt color)
#define SFGAO_ISSLOW            0x00004000L     // 'slow' object
#define SFGAO_GHOSTED           0x00008000L     // ghosted icon
#define SFGAO_LINK              0x00010000L     // Shortcut (link)
#define SFGAO_SHARE             0x00020000L     // shared
#define SFGAO_READONLY          0x00040000L     // read-only
#define SFGAO_HIDDEN            0x00080000L     // hidden object
#define SFGAO_DISPLAYATTRMASK   0x000FC000L
#define SFGAO_FILESYSANCESTOR   0x10000000L     // may contain children with SFGAO_FILESYSTEM
#define SFGAO_FOLDER            0x20000000L     // support BindToObject(IID_IShellFolder)
#define SFGAO_FILESYSTEM        0x40000000L     // is a win32 file system object (file/folder/root)
#define SFGAO_HASSUBFOLDER      0x80000000L     // may contain children with SFGAO_FOLDER
#define SFGAO_CONTENTSMASK      0x80000000L
#define SFGAO_VALIDATE          0x01000000L     // invalidate cached information
#define SFGAO_REMOVABLE         0x02000000L     // is this removeable media?
#define SFGAO_COMPRESSED        0x04000000L     // Object is compressed (use alt color)
#define SFGAO_BROWSABLE         0x08000000L     // supports IShellFolder, but only implements CreateViewObject() (non-folder view)
#define SFGAO_NONENUMERATED     0x00100000L     // is a non-enumerated object
#define SFGAO_NEWCONTENT        0x00200000L     // should show bold in explorer tree
#define SFGAO_CANMONIKER        0x00400000L     // defunct
#define SFGAO_HASSTORAGE        0x00400000L     // defunct
#define SFGAO_STREAM            0x00400000L     // supports BindToObject(IID_IStream)
#define SFGAO_STORAGEANCESTOR   0x00800000L     // may contain children with SFGAO_STORAGE or SFGAO_STREAM
#define SFGAO_STORAGECAPMASK    0x70C50008L     // for determining storage capabilities, ie for open/save semantics

....
겁나 길다, 하지만 대충 봐도 알아 챌거니 자세한 설명은 생략한다
보기에는 많아 보이지만 예를들어
파일 속성에는 (읽기전용, 숨김, 링크, 삭제 가능/불가 등등)이 들어간다
:
Posted by Lunaness