HRESULT Changed(BOOL bPixels, BOOL bPalette);
Informs the renderer that the application has changed the pixels or the palette of a texture.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
bPixels
If this parameter is TRUE, the pixels have changed.
bPalette
If this parameter is TRUE, the palette has changed.