API_DwmExtendFrameIntoClientArea,API_DwmIsCompositionEnabled,API_创建纯色刷子,API_删除对象,API_填充矩形,API_取客户区矩形,API_选入设备场景,API_取设备场景,API_SetLayeredWindowAttributes,API_SetWindowLong,API_取得窗口信息