Microsoft DirectX 8.0 (Visual Basic)

Direct3DVolumeTexture8.AddDirtyBox

Adds a dirty region to a volume texture resource.

object.AddDirtyBox( _ 
    DirtyBox As Any)

Parts

object
Object expression that resolves to a Direct3DVolumeTexture8 object.
DirtyBox
a D3DBOX type, specifying the dirty region to add. Specifying ByVal 0 locks the entire volume texture.

Error Codes

If the method fails, an error is raised and Err.Number can be set to D3DERR_INVALIDCALL.

For information on trapping errors, see the Microsoft® Visual Basic® Error Handling topic.

Remarks

Applications can optimize what subset of a resource is copied by specifying boxes on the resource. However, the dirty regions may be expanded to optimize alignment.