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hhzh426 2000-07-17
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关注！
Wingsun 2000-07-17
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也可以使用TRegistryFile类来实现。建议使用这个类他可以将注册表中的数据当成INI文件来处理。
SCUM 2000-06-27
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建议用 wxz 的方法。
另： 简单的方法可用 regedit.exe + 参数 实现！：）
另： 简单的方法可用 regedit.exe + 参数 实现！：）
wxz 2000-06-25
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用TRegistry类
先用GetValueNames取得所有的值名
然后用GetDataInfo检查各个值的类型,依次读出所有的值
最后用GetKeyNames取出所有的子键,对各个子键做上述操作
显然要用递归方法.
先用GetValueNames取得所有的值名
然后用GetDataInfo检查各个值的类型,依次读出所有的值
最后用GetKeyNames取出所有的子键,对各个子键做上述操作
显然要用递归方法.
wjf 2000-06-24
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当然是用API遍厉了;
RegEnumKeyEx
The RegEnumKeyEx function enumerates subkeys of the specified open registry key. The function retrieves information about one subkey each time it is called. Unlike the RegEnumKey function, RegEnumKeyEx retrieves the class name of the subkey and the time it was last modified.
LONG RegEnumKeyEx(
HKEY hKey, // handle to key to enumerate
DWORD dwIndex, // index of subkey to enumerate
LPTSTR lpName, // address of buffer for subkey name
LPDWORD lpcbName, // address for size of subkey buffer
LPDWORD lpReserved, // reserved
LPTSTR lpClass, // address of buffer for class string
LPDWORD lpcbClass, // address for size of class buffer
PFILETIME lpftLastWriteTime
// address for time key last written to
);
Parameters
hKey
Handle to a currently open key or one of the following predefined reserved handle values:
HKEY_CLASSES_ROOT
HKEY_CURRENT_CONFIG
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
Windows NT: HKEY_PERFORMANCE_DATA
Windows 95 and Windows 98: HKEY_DYN_DATA
The enumerated keys are subkeys of the key identified by hKey.
dwIndex
Specifies the index of the subkey to retrieve. This parameter should be zero for the first call to the RegEnumKeyEx function and then incremented for subsequent calls.
Because subkeys are not ordered, any new subkey will have an arbitrary index. This means that the function may return subkeys in any order.
lpName
Pointer to a buffer that receives the name of the subkey, including the terminating null character. The function copies only the name of the subkey, not the full key hierarchy, to the buffer.
lpcbName
Pointer to a variable that specifies the size, in characters, of the buffer specified by the lpName parameter. This size should include the terminating null character. When the function returns, the variable pointed to by lpcbName contains the number of characters stored in the buffer. The count returned does not include the terminating null character.
lpReserved
Reserved; must be NULL.
lpClass
Pointer to a buffer that contains the class of the enumerated subkey when the function returns. This parameter can be NULL if the class is not required.
lpcbClass
Pointer to a variable that specifies the size, in characters, of the buffer specified by the lpClass parameter. The size should include the terminating null character. When the function returns, lpcbClass contains the number of characters stored in the buffer. The count returned does not include the terminating null character. This parameter can be NULL only if lpClass is NULL.
lpftLastWriteTime
Pointer to a variable that receives the time the enumerated subkey was last written to.
Return Values
If the function succeeds, the return value is ERROR_SUCCESS.
If the function fails, the return value is a nonzero error code defined in WINERROR.H. You can use the FormatMessage function with the FORMAT_MESSAGE_FROM_SYSTEM flag to get a generic description of the error.
Remarks
To enumerate subkeys, an application should initially call the RegEnumKeyEx function with the dwIndex parameter set to zero. The application should then increment the dwIndex parameter and call RegEnumKeyEx until there are no more subkeys (until the function returns ERROR_NO_MORE_ITEMS).
The application can also set dwIndex to the index of the last subkey on the first call to the function and decrement the index until the subkey with the index 0 is enumerated. To retrieve the index of the last subkey, use the RegQueryInfoKey function.
While an application is using the RegEnumKeyEx function, it should not make calls to any registration functions that might change the key being enumerated.
The key identified by hKey must have been opened with KEY_ENUMERATE_SUB_KEYS access (KEY_READ includes KEY_ENUMERATE_SUB_KEYS). Use the RegCreateKeyEx or RegOpenKeyEx function to open the key.
QuickInfo
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Requires version 1.0 or later.
Header: Declared in winreg.h.
Import Library: Use advapi32.lib.
Unicode: Implemented as Unicode and ANSI versions on Windows NT.
See Also
Registry Overview, Registry Functions, RegCreateKeyEx, RegDeleteKey, RegEnumKey, RegOpenKeyEx, RegQueryInfoKey
RegEnumKeyEx
The RegEnumKeyEx function enumerates subkeys of the specified open registry key. The function retrieves information about one subkey each time it is called. Unlike the RegEnumKey function, RegEnumKeyEx retrieves the class name of the subkey and the time it was last modified.
LONG RegEnumKeyEx(
HKEY hKey, // handle to key to enumerate
DWORD dwIndex, // index of subkey to enumerate
LPTSTR lpName, // address of buffer for subkey name
LPDWORD lpcbName, // address for size of subkey buffer
LPDWORD lpReserved, // reserved
LPTSTR lpClass, // address of buffer for class string
LPDWORD lpcbClass, // address for size of class buffer
PFILETIME lpftLastWriteTime
// address for time key last written to
);
Parameters
hKey
Handle to a currently open key or one of the following predefined reserved handle values:
HKEY_CLASSES_ROOT
HKEY_CURRENT_CONFIG
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
Windows NT: HKEY_PERFORMANCE_DATA
Windows 95 and Windows 98: HKEY_DYN_DATA
The enumerated keys are subkeys of the key identified by hKey.
dwIndex
Specifies the index of the subkey to retrieve. This parameter should be zero for the first call to the RegEnumKeyEx function and then incremented for subsequent calls.
Because subkeys are not ordered, any new subkey will have an arbitrary index. This means that the function may return subkeys in any order.
lpName
Pointer to a buffer that receives the name of the subkey, including the terminating null character. The function copies only the name of the subkey, not the full key hierarchy, to the buffer.
lpcbName
Pointer to a variable that specifies the size, in characters, of the buffer specified by the lpName parameter. This size should include the terminating null character. When the function returns, the variable pointed to by lpcbName contains the number of characters stored in the buffer. The count returned does not include the terminating null character.
lpReserved
Reserved; must be NULL.
lpClass
Pointer to a buffer that contains the class of the enumerated subkey when the function returns. This parameter can be NULL if the class is not required.
lpcbClass
Pointer to a variable that specifies the size, in characters, of the buffer specified by the lpClass parameter. The size should include the terminating null character. When the function returns, lpcbClass contains the number of characters stored in the buffer. The count returned does not include the terminating null character. This parameter can be NULL only if lpClass is NULL.
lpftLastWriteTime
Pointer to a variable that receives the time the enumerated subkey was last written to.
Return Values
If the function succeeds, the return value is ERROR_SUCCESS.
If the function fails, the return value is a nonzero error code defined in WINERROR.H. You can use the FormatMessage function with the FORMAT_MESSAGE_FROM_SYSTEM flag to get a generic description of the error.
Remarks
To enumerate subkeys, an application should initially call the RegEnumKeyEx function with the dwIndex parameter set to zero. The application should then increment the dwIndex parameter and call RegEnumKeyEx until there are no more subkeys (until the function returns ERROR_NO_MORE_ITEMS).
The application can also set dwIndex to the index of the last subkey on the first call to the function and decrement the index until the subkey with the index 0 is enumerated. To retrieve the index of the last subkey, use the RegQueryInfoKey function.
While an application is using the RegEnumKeyEx function, it should not make calls to any registration functions that might change the key being enumerated.
The key identified by hKey must have been opened with KEY_ENUMERATE_SUB_KEYS access (KEY_READ includes KEY_ENUMERATE_SUB_KEYS). Use the RegCreateKeyEx or RegOpenKeyEx function to open the key.
QuickInfo
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Requires version 1.0 or later.
Header: Declared in winreg.h.
Import Library: Use advapi32.lib.
Unicode: Implemented as Unicode and ANSI versions on Windows NT.
See Also
Registry Overview, Registry Functions, RegCreateKeyEx, RegDeleteKey, RegEnumKey, RegOpenKeyEx, RegQueryInfoKey
