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VolumeTexture.LockBox(Int32,LockFlags) Method (Microsoft.DirectX.Direct3D)

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Locks a box on a volume texture resource.

Definition

Visual Basic Public Function LockBox( _
    ByVal level As Integer, _
    ByVal flags As LockFlags _
) As GraphicsStream
C# public GraphicsStream LockBox(
    int level,
    LockFlags flags
);
C++ public:
GraphicsStream^ LockBox(
    int level,
    LockFlags flags
);
JScript public function LockBox(
    level : int,
    flags : LockFlags
) : GraphicsStream;

Parameters

level System.Int32
Value that specifies a level of the texture resource to lock.
flags Microsoft.DirectX.Direct3D.LockFlags
Zero or more locking flags that describe the type of lock to perform. For this method, the valid flags are Discard, NoDirtyUpdate, NoSystemLock, and ReadOnly. For a description of the flags, see LockFlags.

Return Value

Microsoft.DirectX.GraphicsStream
A GraphicsStream object that describes the locked region.

Remarks

For performance reasons, dirty regions are recorded only for level 0 of a texture. Dirty regions are automatically recorded when Texture.LockRectangle is called without NoDirtyUpdate or ReadOnly. For more information, see Device.UpdateTexture.

Exceptions

InvalidCallException

The method call is invalid. For example, a method's parameter might contain an invalid value.

See Also