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# D3D12_CPU_PAGE_PROPERTY

> Specifies the CPU-page properties for the heap.

Specifies the CPU-page properties for the heap.

## Syntax

```cpp theme={null}
typedef enum D3D12_CPU_PAGE_PROPERTY
{
    D3D12_CPU_PAGE_PROPERTY_UNKNOWN = 0,
    D3D12_CPU_PAGE_PROPERTY_NOT_AVAILABLE = 1,
    D3D12_CPU_PAGE_PROPERTY_WRITE_COMBINE = 2,
    D3D12_CPU_PAGE_PROPERTY_WRITE_BACK = 3
} D3D12_CPU_PAGE_PROPERTY
```

## Constants

| Constant                                   | Description                                                                 |
| ------------------------------------------ | --------------------------------------------------------------------------- |
| D3D12\_CPU\_PAGE\_PROPERTY\_UNKNOWN        | The CPU-page property is unknown.                                           |
| D3D12\_CPU\_PAGE\_PROPERTY\_NOT\_AVAILABLE | The CPU cannot access the heap, therefore no page properties are available. |
| D3D12\_CPU\_PAGE\_PROPERTY\_WRITE\_COMBINE | The CPU-page property is write-combined.                                    |
| D3D12\_CPU\_PAGE\_PROPERTY\_WRITE\_BACK    | The CPU-page property is write-back.                                        |

## Remarks

This enum is used by the [D3D12\_HEAP\_PROPERTIES](/reference/graphics/d3d12/structs/d3d12_heap_properties_public) structure.

## Requirements

**Header:** d3d12\_xs.h or d3d12\_x.h\
**Library:** d3d12\_xs.lib or d3d12\_x.lib\
**Supported Platforms**: XBOX Series consoles and XBOX One family

## See Also

[Core Enumerations](https://learn.microsoft.com/en-us/windows/desktop/direct3d12/direct3d-12-enumerations)


## Related topics

- [Map](/reference/graphics/d3d12/interfaces/id3d12resource/methods/id3d12resource_map_public.md)
- [D3D12_CPU_DESCRIPTOR_HANDLE](/reference/graphics/d3d12/structs/d3d12_cpu_descriptor_handle_public.md)
- [D3D12_DRED_PAGE_FAULT_OUTPUT](/reference/graphics/d3d12/structs/d3d12_dred_page_fault_output_public.md)
- [D3D12_FEATURE_DATA_ARCHITECTURE1](/reference/graphics/d3d12/structs/d3d12_feature_data_architecture1_public.md)
- [D3D12_HEAP_TYPE](/reference/graphics/d3d12/enums/d3d12_heap_type_public.md)