export enum MapMode {
    MM_TEXT = 1,
    MM_LOMETRIC = 2,
    MM_HIMETRIC = 3,
    MM_LOENGLISH = 4,
    MM_HIENGLISH = 5,
    MM_TWIPS = 6,
    MM_ISOTROPIC = 7,
    MM_ANISOTROPIC = 8,
}