// winioctl.h
typedef struct _VOLUME_GET_GPT_ATTRIBUTES_INFORMATION {
DWORDLONG GptAttributes;
} VOLUME_GET_GPT_ATTRIBUTES_INFORMATION, *PVOLUME_GET_GPT_ATTRIBUTES_INFORMATION;
View the official Win32 API referenceNo description available.
Contains volume attributes retrieved with the IOCTL_VOLUME_GET_GPT_ATTRIBUTES control code.
GptAttributesSpecifies all of the attributes associated with a volume.
| Value | Meaning |
|---|---|
| GPT_BASIC_DATA_ATTRIBUTE_READ_ONLY 0x1000000000000000 |
The volume is read-only. |
| GPT_BASIC_DATA_ATTRIBUTE_SHADOW_COPY 0x2000000000000000 |
The volume is a shadow copy of another volume. For more information, see Volume Shadow Copy Service Overview. |
| GPT_BASIC_DATA_ATTRIBUTE_HIDDEN 0x4000000000000000 |
The volume is hidden. |
| GPT_BASIC_DATA_ATTRIBUTE_NO_DRIVE_LETTER 0x8000000000000000 |
The volume is not assigned a default drive letter. |
IOCTL_VOLUME_GET_GPT_ATTRIBUTES