//声明:
GetTextAlign(
DC: HDC; {设备环境句柄}
): UINT; {返回对齐选项值; 如果返回 GDI_ERROR 表示设置失败}
//如果调用成功则返回下面常数值之一或它们的组合:
TA_NOUPDATECP = 0; {每一次文本输出后, 不更新当前位置}
TA_UPDATECP = 1; {每一次文本输出后, 更新当前位置}
TA_LEFT = 0; {起始于文本外接矩形左边}
TA_RIGHT = 2; {起始于文本外接矩形右边}
TA_CENTER = 6; {起始于文本外接矩形的水平中心}
TA_TOP = 0; {起始于文本外接矩形顶边}
TA_BOTTOM = 8; {起始于文本外接矩形底边}
TA_BASELINE = 24; {起始于文本基线}
TA_RTLREADING = $100; {文本顺序从右到左, 只对特殊语种}
VTA_BASELINE = TA_BASELINE; {垂直基线}
VTA_LEFT = TA_BOTTOM;
VTA_RIGHT = TA_TOP;
VTA_CENTER = TA_CENTER; {垂直居中}
VTA_BOTTOM = TA_RIGHT;
VTA_TOP = TA_LEFT;