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NF:d3d9.IDirect3DVolume9.LockBox |
IDirect3DVolume9::LockBox (d3d9.h) |
The IDirect3DVolume9::LockBox (d3d9.h) method locks a box on a volume resource. |
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direct3d9\idirect3dvolume9__lockbox.htm |
direct3d9 |
VS|directx_sdk|~\idirect3dvolume9__lockbox.htm |
08/11/2022 |
12716af9-b250-6fc9-e8ab-a4053a1ce97a, IDirect3DVolume9 interface [Direct3D 9],LockBox method, IDirect3DVolume9.LockBox, IDirect3DVolume9::LockBox, LockBox, LockBox method [Direct3D 9], LockBox method [Direct3D 9],IDirect3DVolume9 interface, d3d9helper/IDirect3DVolume9::LockBox, direct3d9.idirect3dvolume9__lockbox |
d3d9.h |
D3D9.h |
Windows |
D3D9.lib |
Windows |
19H1 |
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Locks a box on a volume resource.
Type: D3DLOCKED_BOX*
Pointer to a D3DLOCKED_BOX structure, describing the locked region.
Type: const D3DBOX*
Pointer to a box to lock. Specified by a pointer to a D3DBOX structure. Specifying NULL for this parameter locks the entire volume.
Type: DWORD
Combination of zero or more locking flags that describe the type of lock to perform. For this method, the valid flags are:
- D3DLOCK_DISCARD
- D3DLOCK_NO_DIRTY_UPDATE
- D3DLOCK_NOSYSLOCK
- D3DLOCK_READONLY
Type: HRESULT
If the method succeeds, the return value is D3D_OK. If the method fails, the return value can be D3DERR_INVALIDCALL.
For performance reasons, dirty regions are only recorded for level zero of a texture. Dirty regions are automatically recorded when IDirect3DVolume9::LockBox is called without D3DLOCK_NO_DIRTY_UPDATE or D3DLOCK_READONLY. See IDirect3DDevice9::UpdateTexture for more information.