.

//

// RRF - Registry Routine Flags (for RegGetValue)

//

#define RRF_RT_REG_NONE        0x00000001  // restrict type to REG_NONE      

(other data types will not return ERROR_SUCCESS)

#define RRF_RT_REG_SZ          0x00000002  // restrict type to REG_SZ        

(other data types will not return ERROR_SUCCESS) (automatically converts REG_EXPAND_SZ to REG_SZ unless RRF_NOEXPAND is specified)

#define RRF_RT_REG_EXPAND_SZ   0x00000004  // restrict type to REG_EXPAND_SZ 

(other data types will not return ERROR_SUCCESS) (must specify RRF_NOEXPAND or RegGetValue will fail with ERROR_INVALID_PARAMETER)

#define RRF_RT_REG_BINARY      0x00000008  // restrict type to REG_BINARY    

(other data types will not return ERROR_SUCCESS)

#define RRF_RT_REG_DWORD       0x00000010  // restrict type to REG_DWORD    

(other data types will not return ERROR_SUCCESS)

#define RRF_RT_REG_MULTI_SZ    0x00000020  // restrict type to REG_MULTI_SZ  

(other data types will not return ERROR_SUCCESS)

#define RRF_RT_REG_QWORD       0x00000040  // restrict type to REG_QWORD     

(other data types will not return ERROR_SUCCESS)

#define RRF_RT_DWORD           (RRF_RT_REG_BINARY | RRF_RT_REG_DWORD) // restrict type to *32-bit* RRF_RT_REG_BINARY or RRF_RT_REG_DWORD 

(other data types will not return ERROR_SUCCESS)

#define RRF_RT_QWORD           (RRF_RT_REG_BINARY | RRF_RT_REG_QWORD) // restrict type to *64-bit* RRF_RT_REG_BINARY or RRF_RT_REG_DWORD 

(other data types will not return ERROR_SUCCESS)

#define RRF_RT_ANY             0x0000ffff       // no type restriction

#define RRF_NOEXPAND           0x10000000  // do not automatically expand environment strings if value is of type REG_EXPAND_SZ

#define RRF_ZEROONFAILURE      0x20000000  // if pvData is not NULL, set content to all zeros on failure

- 출처 : WinReg.h

#define REG_NONE                    ( 0 )   // No value type

#define REG_SZ                      ( 1 )   // Unicode nul terminated string

#define REG_EXPAND_SZ               ( 2 )   // Unicode nul terminated string

                                            // (with environment variable references)

#define REG_BINARY                  ( 3 )   // Free form binary

#define REG_DWORD                   ( 4 )   // 32-bit number

#define REG_DWORD_LITTLE_ENDIAN     ( 4 )   // 32-bit number (same as REG_DWORD)

#define REG_DWORD_BIG_ENDIAN        ( 5 )   // 32-bit number

#define REG_LINK                    ( 6 )   // Symbolic Link (unicode)

#define REG_MULTI_SZ                ( 7 )   // Multiple Unicode strings

#define REG_RESOURCE_LIST           ( 8 )   // Resource list in the resource map

#define REG_FULL_RESOURCE_DESCRIPTOR ( 9 )  // Resource list in the hardware description

#define REG_RESOURCE_REQUIREMENTS_LIST ( 10 )

#define REG_QWORD                   ( 11 )  // 64-bit number

#define REG_QWORD_LITTLE_ENDIAN     ( 11 )  // 64-bit number (same as REG_QWORD)

- 출처 : WinNT.h