IDirect3DVolume9::SetPrivateData method (d3d9helper.h)
Associates data with the volume that is intended for use by the application, not by Direct3D.
Syntax
HRESULT SetPrivateData(
[in] REFGUID refguid,
[in] const void *pData,
[in] DWORD SizeOfData,
[in] DWORD Flags
);
Parameters
[in] refguid
Type: REFGUID
Reference to the globally unique identifier that identifies the private data to set.
[in] pData
Type: const void*
Pointer to a buffer that contains the data to associate with the volume.
[in] SizeOfData
Type: DWORD
Size of the buffer at pData in bytes.
[in] Flags
Type: DWORD
Value that describes the type of data being passed, or indicates to the application that the data should be invalidated when the resource changes.
| Item | Description |
|---|---|
| (none) | If no flags are specified, Direct3D allocates memory to hold the data within the buffer and copies the data into the new buffer. The buffer allocated by Direct3D is automatically freed, as appropriate. |
| D3DSPD_IUNKNOWN | The data at pData is a pointer to an IUnknown interface. SizeOfData must be set to the size of a pointer to an IUnknown interface, sizeof(IUnknown*). Direct3D automatically calls IUnknown through pData and IUnknown when the private data is destroyed. Private data will be destroyed by a subsequent call to IDirect3DVolume9::SetPrivateData with the same GUID, a subsequent call to IDirect3DVolume9::FreePrivateData, or when the IDirect3D9 object is released. For more information, see Remarks. |
Return value
Type: HRESULT
If the method succeeds, the return value is D3D_OK. If the method fails, the return value can be one of the following: D3DERR_INVALIDCALL, E_OUTOFMEMORY.
Remarks
Direct3D does not manage the memory at pData. If this buffer was dynamically allocated, it is the calling application's responsibility to free the memory.
Data is passed by value, and multiple sets of data can be associated with a single volume.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | d3d9helper.h (include D3D9.h) |
| Library | D3D9.lib |