📄 message.h
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// 用const代替#define的好处时const有数据类型、可参与逻辑运算、调试
// 过程中可以查看该常量的值
const int WM_NORMAL_QUIT =WM_USER+100; //程序正常退出
const int WM_ABNORMAL_QUIT =WM_USER+101; //程序异常退出
const int WM_ABNORMAL =WM_USER+102; //记录异常信息
const int WM_OPTION_FINISH =WM_USER+103; //完成一次人机交互
const int WM_CAPTURE_WINDOW =WM_USER+104; //绘制捕获窗口
const int WM_CAPTURE =WM_USER+105; //捕获图象
const int WM_STARTUP_TIMER =WM_USER+106; //启动定时器
const int WM_TIMER_OUT =WM_USER+107; //定时器超时
const int WM_CLOSE_TIMER =WM_USER+108; //关闭定时器
const int WM_MACHINE =WM_USER+109; //读/发卡机事件
const int WM_CXP =WM_USER+110; //外设输入事件
const int WM_PRINTER =WM_USER+111; //票据打印机状态
const int WM_MACHINE_STATUS =WM_USER+112; //读/发卡机状态
const int WM_IC_STATUS =WM_USER+113; //IC卡读卡器状态
const int WM_CXP_STATUS =WM_USER+114; //输入外设状态
const int WM_SEND_PICTURE =WM_USER+115; //有压缩后的图片需要上传
const int WM_REPEAT_SEND =WM_USER+116; //重传指定的消息
const int WM_FINISH_CAPTURE =WM_USER+117; //捕获图象成功
const int WM_SAVE_PICTURE =WM_USER+118; //存储内存中的图片
const int WM_UPDATE_OK =WM_USER+119; //更新文件
const int WM_STATUS_INFO =WM_USER+120; //显示测试信息
const int WM_OVERLAY =WM_USER+121; //字符叠加
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