CONFIGMG_Read_Registry_Value
CONFIGRET CONFIGMG_Read_Registry_Value(DEVNODE dnDevNode, PFARCHAR pszSubKey, PFARCHAR pszValueName, ULONG ulExpectedType, PFARVOID Buffer, PFARULONG pulLength, ULONG ulFlags)
Retrieves a value in the registry.
- Returns CR_SUCCESS if the function is successful. Otherwise, the return value can be CR_INVALID_DEVNODE, CR_INVALID_FLAG, CR_INVALID_POINTER, CR_NO_SUCH_VALUE, CR_WRONG_TYPE, CR_REGITRY_ERROR or CR_BUFFER_SMALL.
- dnDevNode
- Handle of a device node. The devnode can have a NULL device ID, but in this case, CR_NO_SUCH_VALUE is returned.
- pszSubKey
- Name of the subkey. Can be NULL if none.
- pszValueName
- Name of the value.
- ulExpectedType
- Either REG_SZ if a string is wanted or REG_BINARY if a binary value is wanted.
- Buffer
- Address of the buffer that receives the registry data. This can be NULL if you just want to get the size of the value.
- pulLength
- The length of the buffer (both input and output).
- ulFlags
- Must be a combination of the following.
| CM_REGISTRY_HARDWARE |
Select the hardware branch. |
| CM_REGISTRY_SOFTWARE |
Select the software branch. |
| CM_REGISTRY_USER |
Use HKEY_CURRENT_USER. |
| CM_REGISTRY_CONFIG |
Use HKEY_CURRENT_CONFIG. |
See Also
ONFIGMG_Write_Registry_Value