Declaration
TIELayerCacheMethods = set of (iecmImageLayerRendering, // Cache the render of each image layer (at display size)
iecmImageLayerContent, // Cache the content of image layers that have applied effects (full size)
iecmOtherLayerRendering, // Cache the render of each non-image layer (at display size)
iecmOtherLayerContent); // Cache the content of non-image layers (full size)