Microsoft DirectX 8.0 (Visual Basic)

Direct3DTexture8.AddDirtyRect

Adds a dirty region to a texture resource.

object.AddDirtyRect( _ 
    DirtyRect As Any)

Parts

object
Object expression that resolves to a Direct3DTexture8 object.
DirtyRect
A RECT type, specifying the dirty region to add. Specifying ByVal 0 expands the dirty region to cover the entire 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 dirty regions on the resource.