wParam = 0;
lParam = 0;
Notifies a rendering driver to decompress the current image to the screen and to release resources allocated for decompression and drawing.
ICM_DRAW_BEGIN and ICM_DRAW_END do not nest. If your driver receives ICM_DRAW_BEGIN before decompression is stopped with ICM_DRAW_END, it should restart decompression with new parameters.
ICM_COMPRESS_END, ICM_DECOMPRESS_END, ICM_DRAW, ICM_DRAW_BEGIN, ICM_DRAW_STOP