CONFIGMG_Get_DevNode_Key

CONFIGMG_Get_DevNode_Key_Size

CONFIGRET CONFIGMG_Get_DevNode_Key_Size(PFARULONG pulLen, DEVNODE dnDevNode, PFARCHAR pszSubKey, ULONG ulFlags)

Retrieves the size of the registry key from a device node.

Returns CR_SUCCESS if the function is successful. Otherwise, the return value can be CR_INVALID_DEVNODE, CR_INVALID_FLAG, CR_INVALID_POINTER, or CR_NO_REGISTRY_HANDLE.

pulLen

Address that receives the length of the registry key. This length does not include the null-terminating character. This address is filled with zeroes if there is no identifier. The length is always less than or equal MAX_VMM_REG_KEY_LEN.

dnDevNode

Handle of a device node.

pszSubKey

Name of the subkey. Can be NULL if none.

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.