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DoEasy 函数库中的图形（第九十三部分）：准备创建复合图形对象的功能·进阶篇
（2/3）· 想把 44 种 MT5 图形拼成新分析工具，先得搞定对象扩展属性与从属坐标类
很多交易者以为 MT5 的分析工具不够用就只能等官方更新，其实用 MQL5 把现有图形绑成复合对象就能造出新工具。问题在于直接拖对象只会散落各处，缺少从属坐标机制就谈不上动态附着。本篇先把底层属性与类结构铺好，实时组合才有地基。
◍ 图形对象枚举的排序维度清单
在 MT5 的 ObjectsTotal / ObjectGetInteger 体系里，图形对象并非只能按名称乱序遍历，系统提供了一组 SORT_BY_GRAPH_OBJ_* 枚举值，用来决定 ObjectsSetString 之前集合的排列依据。 下面这 27 个枚举覆盖了从类型、所属图表、子窗口到创建时间、Z 轴点击优先级乃至只读属性的全维度排序键。实盘写 EA 时若要在百个对象里快速定位趋势线，优先用 SORT_BY_GRAPH_OBJ_CREATETIME 或 SORT_BY_GRAPH_OBJ_TIME 比裸循环更高效。 外汇与贵金属图表对象受报价跳空影响，对象时间坐标可能错位，用 SORT_BY_GRAPH_OBJ_TIME 排序后仍需做边界校验，这类品种高风险，回测与实盘对象行为可能不一致。
MQL5 / C++
SORT_BY_GRAPH_OBJ_ELEMENT_TYPE, class=class="str">"cmt">// Sort by graphical element type SORT_BY_GRAPH_OBJ_SPECIES, class=class="str">"cmt">// Sort by a graphical object species SORT_BY_GRAPH_OBJ_BELONG, class=class="str">"cmt">// Sort by a graphical element affiliation SORT_BY_GRAPH_OBJ_CHART_ID, class=class="str">"cmt">// Sort by chart ID SORT_BY_GRAPH_OBJ_WND_NUM, class=class="str">"cmt">// Sort by chart subwindow index SORT_BY_GRAPH_OBJ_NUM, class=class="str">"cmt">// Sort by object index in the list SORT_BY_GRAPH_OBJ_CHANGE_HISTORY, class=class="str">"cmt">// Sort by the flag of storing the change history SORT_BY_GRAPH_OBJ_GROUP, class=class="str">"cmt">// Sort by the group of objects the graphical object belongs to SORT_BY_GRAPH_OBJ_CREATETIME, class=class="str">"cmt">// Sort by object creation time SORT_BY_GRAPH_OBJ_TIMEFRAMES, class=class="str">"cmt">// Sort by object visibility on timeframes SORT_BY_GRAPH_OBJ_BACK, class=class="str">"cmt">// Sort by the "Background object" class="kw">property SORT_BY_GRAPH_OBJ_ZORDER, class=class="str">"cmt">// Sort by the priority of a graphical object for receiving the event of clicking on a chart SORT_BY_GRAPH_OBJ_HIDDEN, class=class="str">"cmt">// Sort by a disabling display of the name of a graphical object in the terminal object list SORT_BY_GRAPH_OBJ_SELECTED, class=class="str">"cmt">// Sort by the "Object selection" class="kw">property SORT_BY_GRAPH_OBJ_SELECTABLE, class=class="str">"cmt">// Sort by the "Object availability" class="kw">property SORT_BY_GRAPH_OBJ_TIME, class=class="str">"cmt">// Sort by time coordinate SORT_BY_GRAPH_OBJ_COLOR, class=class="str">"cmt">// Sort by class="type">class="kw">color SORT_BY_GRAPH_OBJ_STYLE, class=class="str">"cmt">// Sort by style SORT_BY_GRAPH_OBJ_WIDTH, class=class="str">"cmt">// Sort by line width SORT_BY_GRAPH_OBJ_FILL, class=class="str">"cmt">// Sort by the "Object class="type">class="kw">color filling" class="kw">property SORT_BY_GRAPH_OBJ_READONLY class=class="str">"cmt">// Sort by the ability to edit text in the Edit object
图形对象排序枚举的剩余字段
在 MT5 的 ObjectsTotal / ObjectGet 系列调用里，若要对图表上的图形对象做批量排序，除了前几个基础属性，还有一批针对特殊对象类型的枚举值可用。 下面这些 SORT_BY_GRAPH_OBJ_* 常量覆盖了从斐波那契弧、甘恩线到 Elliott 波浪标记乃至内嵌图表对象的排序维度，实际写 EA 或指标时按需取用即可。 SORT_BY_GRAPH_OBJ_LEVELS 按水平线数量排，SORT_BY_GRAPH_OBJ_LEVELCOLOR 按水平线颜色排，SORT_BY_GRAPH_OBJ_LEVELSTYLE 按线型排，SORT_BY_GRAPH_OBJ_LEVELWIDTH 按线宽排。 SORT_BY_GRAPH_OBJ_ALIGN 对应输入框内文字水平对齐属性，SORT_BY_GRAPH_OBJ_FONTSIZE 按字体大小排，SORT_BY_GRAPH_OBJ_RAY_LEFT / RAY_RIGHT 分别按向左 / 向右射线属性排。 SORT_BY_GRAPH_OBJ_RAY 针对贯穿图表所有窗口的竖线，SORT_BY_GRAPH_OBJ_ELLIPSE 针对斐波那契弧显示完整椭圆属性，SORT_BY_GRAPH_OBJ_ARROWCODE 按箭头对象的箭头代码排。 SORT_BY_GRAPH_OBJ_ANCHOR 按绑定点位置排，SORT_BY_GRAPH_OBJ_XDISTANCE / YDISTANCE 按距基准角像素距离排，SORT_BY_GRAPH_OBJ_DIRECTION 按甘恩对象趋势排。 SORT_BY_GRAPH_OBJ_DEGREE 按 Elliott 波浪标记级别排，SORT_BY_GRAPH_OBJ_DRAWLINES 按是否显示波浪线排，SORT_BY_GRAPH_OBJ_STATE 按按钮按下 / 弹起状态排。 最后一组针对 Chart 对象本身：SORT_BY_GRAPH_OBJ_OBJ_CHART_ID 按图表对象 ID 排，SORT_BY_GRAPH_OBJ_CHART_OBJ_PERIOD 按期排，SORT_BY_GRAPH_OBJ_CHART_OBJ_DATE_SCALE / PRICE_SCALE 分别按时间轴、价格轴显示开关排。外汇与贵金属图表对象繁杂，用这些枚举批量整理时需注意多品种多周期下的对象冲突风险。
MQL5 / C++
SORT_BY_GRAPH_OBJ_LEVELS, class=class="str">"cmt">// Sort by number of levels SORT_BY_GRAPH_OBJ_LEVELCOLOR, class=class="str">"cmt">// Sort by line level class="type">class="kw">color SORT_BY_GRAPH_OBJ_LEVELSTYLE, class=class="str">"cmt">// Sort by line level style SORT_BY_GRAPH_OBJ_LEVELWIDTH, class=class="str">"cmt">// Sort by line level width SORT_BY_GRAPH_OBJ_ALIGN, class=class="str">"cmt">// Sort by the "Horizontal text alignment in the Entry field" class="kw">property SORT_BY_GRAPH_OBJ_FONTSIZE, class=class="str">"cmt">// Sort by font size SORT_BY_GRAPH_OBJ_RAY_LEFT, class=class="str">"cmt">// Sort by "Ray goes to the left" class="kw">property SORT_BY_GRAPH_OBJ_RAY_RIGHT, class=class="str">"cmt">// Sort by "Ray goes to the right" class="kw">property SORT_BY_GRAPH_OBJ_RAY, class=class="str">"cmt">// Sort by the "Vertical line goes through all windows of a chart" class="kw">property SORT_BY_GRAPH_OBJ_ELLIPSE, class=class="str">"cmt">// Sort by the "Display the full ellipse of the Fibonacci Arc object" class="kw">property SORT_BY_GRAPH_OBJ_ARROWCODE, class=class="str">"cmt">// Sort by an arrow code for the Arrow object SORT_BY_GRAPH_OBJ_ANCHOR, class=class="str">"cmt">// Sort by the position of a binding point of a graphical object SORT_BY_GRAPH_OBJ_XDISTANCE, class=class="str">"cmt">// Sort by a distance from the base corner along the X axis in pixels SORT_BY_GRAPH_OBJ_YDISTANCE, class=class="str">"cmt">// Sort by a distance from the base corner along the Y axis in pixels SORT_BY_GRAPH_OBJ_DIRECTION, class=class="str">"cmt">// Sort by the "Gann object trend" class="kw">property SORT_BY_GRAPH_OBJ_DEGREE, class=class="str">"cmt">// Sort by the "Elliott wave marking level" class="kw">property SORT_BY_GRAPH_OBJ_DRAWLINES, class=class="str">"cmt">// Sort by the "Display lines for Elliott wave marking" class="kw">property SORT_BY_GRAPH_OBJ_STATE, class=class="str">"cmt">// Sort by button state(pressed/released) SORT_BY_GRAPH_OBJ_OBJ_CHART_ID, class=class="str">"cmt">// Sort by Chart object ID. SORT_BY_GRAPH_OBJ_CHART_OBJ_PERIOD, class=class="str">"cmt">// Sort by Chart object period SORT_BY_GRAPH_OBJ_CHART_OBJ_DATE_SCALE, class=class="str">"cmt">// Sort by time scale display flag for the Chart object SORT_BY_GRAPH_OBJ_CHART_OBJ_PRICE_SCALE class=class="str">"cmt">// Sort by price scale display flag for the Chart object
「图形对象排序枚举的隐藏维度」
在 MT5 的 ObjectsTotal / ObjectGet 系列调用之外，还有一组专门给 GraphObject 排序用的枚举值，分三大类：界面属性、真实价格属性、字符串属性。 界面类里 SORT_BY_GRAPH_OBJ_CHART_OBJ_CHART_SCALE 控制图表对象缩放层级，SORT_BY_GRAPH_OBJ_XSIZE / YSIZE 按像素宽高排，XOFFSET / YOFFSET 取可视区左上角坐标，CORNER 绑定图表角落，BORDER_TYPE / BORDER_COLOR 针对矩形边框和按钮边框。 真实属性从 FIRST_GRAPH_OBJ_DBL_PROP 起跳：PRICE 按价格坐标，LEVELVALUE 按水平线数值，SCALE 管江恩和斐波那契弧的缩放，ANGLE 按角度，DEVIATION 管标准差通道偏离。字符串属性从 FIRST_GRAPH_OBJ_STR_PROP 开始，NAME 按对象名，BASE_NAME 按底层对象名（易被忽略但多对象联动时有用），TEXT / TOOLTIP / LEVELTEXT / FONT / BMPFILE / CHART_OBJ_SYMBOL 各管描述、悬停、层级文字、字体、位图文件与图表品种。 开 MT5 敲一组 ObjectsSort(0, SORT_BY_GRAPH_OBJ_LEVELVALUE) 再循环读 ObjectGetDouble，能直接验证水平线数值排序是否如枚举所说生效。外汇与贵金属杠杆高，脚本误排对象可能导致止损线读取错位，实盘前务必在模拟环境跑通。
MQL5 / C++
SORT_BY_GRAPH_OBJ_CHART_OBJ_CHART_SCALE, class=class="str">"cmt">// Sort by Chart object scale SORT_BY_GRAPH_OBJ_XSIZE, class=class="str">"cmt">// Sort by Object width along the X axis in pixels SORT_BY_GRAPH_OBJ_YSIZE, class=class="str">"cmt">// Sort by object height along the Y axis in pixels SORT_BY_GRAPH_OBJ_XOFFSET, class=class="str">"cmt">// Sort by X coordinate of the upper-left corner of the visibility area SORT_BY_GRAPH_OBJ_YOFFSET, class=class="str">"cmt">// Sort by Y coordinate of the upper-left corner of the visibility area SORT_BY_GRAPH_OBJ_BGCOLOR, class=class="str">"cmt">// Sort by background class="type">class="kw">color for OBJ_EDIT, OBJ_BUTTON and OBJ_RECTANGLE_LABEL SORT_BY_GRAPH_OBJ_CORNER, class=class="str">"cmt">// Sort by chart corner for binding a graphical object SORT_BY_GRAPH_OBJ_BORDER_TYPE, class=class="str">"cmt">// Sort by border type for the "Rectangle border" object SORT_BY_GRAPH_OBJ_BORDER_COLOR, class=class="str">"cmt">// Sort by frame class="type">class="kw">color for the OBJ_EDIT and OBJ_BUTTON objects class=class="str">"cmt">//--- Sort by real properties SORT_BY_GRAPH_OBJ_PRICE = FIRST_GRAPH_OBJ_DBL_PROP, class=class="str">"cmt">// Sort by price coordinate SORT_BY_GRAPH_OBJ_LEVELVALUE, class=class="str">"cmt">// Sort by level value SORT_BY_GRAPH_OBJ_SCALE, class=class="str">"cmt">// Sort by scale(class="kw">property of Gann objects and Fibonacci Arcs objects) SORT_BY_GRAPH_OBJ_ANGLE, class=class="str">"cmt">// Sort by angle SORT_BY_GRAPH_OBJ_DEVIATION, class=class="str">"cmt">// Sort by a deviation of the standard deviation channel class=class="str">"cmt">//--- Sort by class="type">class="kw">string properties SORT_BY_GRAPH_OBJ_NAME = FIRST_GRAPH_OBJ_STR_PROP, class=class="str">"cmt">// Sort by object name SORT_BY_GRAPH_OBJ_BASE_NAME, class=class="str">"cmt">// Sort by base object name SORT_BY_GRAPH_OBJ_TEXT, class=class="str">"cmt">// Sort by object description SORT_BY_GRAPH_OBJ_TOOLTIP, class=class="str">"cmt">// Sort by tooltip text SORT_BY_GRAPH_OBJ_LEVELTEXT, class=class="str">"cmt">// Sort by level description SORT_BY_GRAPH_OBJ_FONT, class=class="str">"cmt">// Sort by font SORT_BY_GRAPH_OBJ_BMPFILE, class=class="str">"cmt">// Sort by BMP file name for the "Bitmap Level" object SORT_BY_GRAPH_OBJ_CHART_OBJ_SYMBOL, class=class="str">"cmt">// Sort by Chart object period symbol };
◍ 图形对象消息枚举里的隐藏字段
在 MT5 标准库的消息枚举段里，有一批 MSG_GRAPH_OBJ_PROP_* 常量专门描述图形对象的属性通道，其中 MSG_GRAPH_OBJ_PROP_BASE_ID 与 MSG_GRAPH_OBJ_PROP_BASE_NAME 常被忽略——它们指向对象的「基类标识」，在自定义控件继承标准图形对象时用来回溯父级。 MSG_GRAPH_ELEMENT_TYPE_STANDARD_EXTENDED 这个枚举值也值得留意，它代表扩展标准图形对象，和普通 STANDARD 类型在事件路由上有区分。如果你的 EA 监听 MSG_GRAPH_OBJ_EVN_GRAPH_OBJ_CREATE 事件，却收不到某些对象的创建通知，大概率是没有处理 EXTENDED 分支。 下面这段枚举摘出来，直接贴进 MT5 的 .mqh 里就能编译验证，重点看高亮那三行基类和扩展类型： 别把对象事件当成单一类型 监听图形对象变更时，CREATE / CHANGE / RENAME / DELETE 四类事件都带 ELEMENT_TYPE 字段；只判断 STANDARD 会漏掉 EXTENDED 对象，导致面板类工具状态不同步。
MQL5 / C++
class=class="str">"cmt">//+------------------------------------------------------------------+ MSG_LIB_SYS_REQUEST_OUTSIDE_LONG_ARRAY, class=class="str">"cmt">// Request outside class="type">long array MSG_LIB_SYS_REQUEST_OUTSIDE_DOUBLE_ARRAY, class=class="str">"cmt">// Request outside class="type">class="kw">double array MSG_LIB_SYS_REQUEST_OUTSIDE_STRING_ARRAY, class=class="str">"cmt">// Request outside class="type">class="kw">string array MSG_LIB_SYS_REQUEST_OUTSIDE_ARRAY, class=class="str">"cmt">// Request outside the array MSG_GRAPH_ELEMENT_TYPE_STANDARD, class=class="str">"cmt">// Standard graphical object MSG_GRAPH_ELEMENT_TYPE_STANDARD_EXTENDED, class=class="str">"cmt">// Extended standard graphical object MSG_GRAPH_ELEMENT_TYPE_ELEMENT, class=class="str">"cmt">// Element MSG_GRAPH_ELEMENT_TYPE_SHADOW_OBJ, class=class="str">"cmt">// Shadow object MSG_GRAPH_ELEMENT_TYPE_FORM, class=class="str">"cmt">// Form MSG_GRAPH_ELEMENT_TYPE_WINDOW, class=class="str">"cmt">// Window MSG_GRAPH_OBJ_PROP_ID, class=class="str">"cmt">// Object ID MSG_GRAPH_OBJ_PROP_BASE_ID, class=class="str">"cmt">// Base object ID MSG_GRAPH_OBJ_PROP_TYPE, class=class="str">"cmt">// Graphical object type(ENUM_OBJECT) MSG_GRAPH_OBJ_PROP_ELEMENT_TYPE, class=class="str">"cmt">// Graphical element type(ENUM_GRAPH_ELEMENT_TYPE) MSG_GRAPH_OBJ_PROP_NAME, class=class="str">"cmt">// Object name MSG_GRAPH_OBJ_PROP_BASE_NAME, class=class="str">"cmt">// Base object name MSG_GRAPH_OBJ_PROP_TEXT, class=class="str">"cmt">// Object description(text contained in the object) MSG_GRAPH_OBJ_PROP_TOOLTIP, class=class="str">"cmt">// Tooltip text MSG_GRAPH_OBJ_PROP_LEVELTEXT, class=class="str">"cmt">// Level description MSG_GRAPH_OBJ_PROP_FONT, class=class="str">"cmt">// Font MSG_GRAPH_OBJ_PROP_BMPFILE, class=class="str">"cmt">// BMP file name for the "Bitmap Level" object MSG_GRAPH_OBJ_PROP_SYMBOL, class=class="str">"cmt">// Chart object symbol MSG_GRAPH_OBJ_EVN_GRAPH_OBJ_CREATE, class=class="str">"cmt">// New graphical object created MSG_GRAPH_OBJ_EVN_GRAPH_OBJ_CHANGE, class=class="str">"cmt">// Changed the graphical object class="kw">property MSG_GRAPH_OBJ_EVN_GRAPH_OBJ_RENAME, class=class="str">"cmt">// Graphical object renamed MSG_GRAPH_OBJ_EVN_GRAPH_OBJ_DELETE, class=class="str">"cmt">// Graphical object removed
扩展图形对象的报错枚举与多语映射
在 MT5 标准库里，CGStdGraphObj 这套扩展图形对象体系靠一组 MSG_GRAPH_OBJ_* 枚举来承载运行状态。除了基础的『随图表删除对象』，还细分了扩展对象创建失败、基类加入列表失败、子对象挂载失败等至少 9 条独立报错码，调试时可直接用这些常量定位是哪一步 new 对象崩了。 CLinkedPivotPoint 这类依赖枢轴点的对象更苛刻：若 X 轴或 Y 轴一个 pivot 都没设，或者没挂到 base 对象上，就会抛出 MSG_GRAPH_OBJ_EXT_NOT_ANY_PIVOTS_X / _Y 与 MSG_GRAPH_OBJ_EXT_NOT_ATACHED_TO_BASE。实盘写自定义指标时，这类静默失败往往比语法错更难查。 下面这段双语数组把俄文原串映射到英文，例如 "Расширенный стандартный графический объект" 对应 "Extended standard graphic object"，"Идентификатор базового объекта" 对应 "Base object ID"。如果你要做多语面板，直接抄这层映射就能少写一堆 StringReplace。 开 MT5 随便建个 EA 把 MSG_GRAPH_OBJ_FAILED_CREATE_NEW_EXT_OBJ 打进 Print，就能验证扩展对象在图表重置时的真实报错顺序。外汇与贵金属图表对象受 tick 驱动，高频重绘下这类错误概率会明显上升，属高风险环境。
MQL5 / C++
MSG_GRAPH_OBJ_EVN_GRAPH_OBJ_DEL_CHART, class=class="str">"cmt">// Graphical object removed together with the chart class=class="str">"cmt">//--- CGStdGraphObj(Extended) MSG_GRAPH_OBJ_FAILED_CREATE_NEW_EXT_OBJ, class=class="str">"cmt">// Failed to create the class object of an extended graphical object MSG_GRAPH_OBJ_FAILED_CREATE_NEW_BASE_EXT_OBJ, class=class="str">"cmt">// Failed to create the base object for an extended graphical object MSG_GRAPH_OBJ_FAILED_ADD_EXT_OBJ_TO_LIST, class=class="str">"cmt">// Failed to add the extended standard graphical object to the list MSG_GRAPH_OBJ_FAILED_ADD_BASE_EXT_OBJ_TO_LIST, class=class="str">"cmt">// Failed to add the base object to the list MSG_GRAPH_OBJ_FAILED_CREATE_NEW_DEP_EXT_OBJ, class=class="str">"cmt">// Failed to create the subordinate object of an extended graphical object MSG_GRAPH_OBJ_FAILED_ADD_DEP_EXT_OBJ_TO_LIST, class=class="str">"cmt">// Failed to add the subordinate object to the list MSG_GRAPH_OBJ_FAILED_GET_EXT_OBJ_FROM_LIST, class=class="str">"cmt">// Failed to receive the extended graphical object from the list MSG_GRAPH_OBJ_PROP_NUM_EXT_BASE_OBJ, class=class="str">"cmt">// Base object of the extended graphical object MSG_GRAPH_OBJ_NOT_EXT_OBJ, class=class="str">"cmt">// The object is not an extended standard graphical object class=class="str">"cmt">//--- CLinkedPivotPoint MSG_GRAPH_OBJ_EXT_NOT_ANY_PIVOTS_X, class=class="str">"cmt">// Not a single pivot point is set for the object along the X axis MSG_GRAPH_OBJ_EXT_NOT_ANY_PIVOTS_Y, class=class="str">"cmt">// Not a single pivot point is set for the object along the Y axis MSG_GRAPH_OBJ_EXT_NOT_ATACHED_TO_BASE, class=class="str">"cmt">// The object is not attached to the basic graphical object MSG_GRAPH_OBJ_EXT_FAILED_CREATE_PP_DATA_OBJ, class=class="str">"cmt">// Failed to create a data object for the X and Y pivot points }; class=class="str">"cmt">//+------------------------------------------------------------------+ {"Запрос за пределами class="type">long-массива","Data requested outside the class="type">long-array"}, {"Запрос за пределами class="type">class="kw">double-массива","Data requested outside the class="type">class="kw">double-array"}, {"Запрос за пределами class="type">class="kw">string-массива","Data requested outside the class="type">class="kw">string-array"}, {"Запрос за пределами массива","Data requested outside the array"}, {"Стандартный графический объект","Standard graphic object"}, {"Расширенный стандартный графический объект","Extended standard graphic object"}, {"Элемент","Element"}, {"Объект тени","Shadow object"}, {"Форма","Form"}, {"Окно","Window"}, {"Идентификатор объекта","Object ID"}, {"Идентификатор базового объекта","Base object ID"}, {"Тип объекта","Object type"}, {"Тип графического элемента","Graphic element type"}, {"Имя","Name"}, {"Имя базового объекта","Base object name"}, {"Описание","Description"}, {"Текст всплывающей подсказки","The text of a tooltip"}, {"Описание уровня","Level description"}, {"Шрифт","Font"}, {"Имя BMP-файла","BMP-file name"}, {"Символ графика","Chart Symbol"},
「扩展图形对象的报错与箭头构造落点」
上面这段结构里塞的是标准及扩展图形对象的本地化报错表，俄英双串成对。基础事件覆盖对象创建、属性变更、重命名、删除，以及随图表一起被移除的情况；扩展段则专门兜底 CGStdGraphObj 派生时的各类失败：基类建不出、进不了链表、附属对象挂不上等，总共约 18 条可对照的出错文案。 CLinkedPivotPoint 那几行值得单独看——它要求 X、Y 轴都必须先设锚点，否则直接报“未设置枢轴点”；对象若没绑到基图形也跑不起来。做自定义指标时，这类报错往往比返回值更早暴露结构问题。 CGStdArrowBuyObj 的构造函数演示了 extended 开关怎么走：传入 false 走 GRAPH_ELEMENT_TYPE_STANDARD 且归属 NO_PROGRAM，true 则切到 STANDARD_EXTENDED 并归 PROGRAM 管。锚点写死 ANCHOR_TOP，意味着买箭头默认贴顶点。外汇与贵金属图表加载此类对象波动剧烈，高风险，参数误用可能让对象不显示。 开 MT5 把这段报错表贴进自己的多语言枚举，再改 CGStdArrowBuyObj 的 anchor 试不同贴点，能直观验证对象归属逻辑。
MQL5 / C++
{"Создан новый графический объект","New graphic object created"},
{"Изменено свойство графического объекта","Changed graphic object class="kw">property"},
{"Графический объект переименован","Graphic object renamed"},
{"Удалён графический объект","Graphic object deleted"},
{"Графический объект удалён вместе с графиком","The graphic object has been removed along with the chart"},
class=class="str">"cmt">//--- CGStdGraphObj(Extended)
{"Не удалось создать объект класса расширенного графического объекта","Failed to create the class object of extended standart graphics object"},
{"Не удалось создать базовый объект расширенного графического объекта","Failed to create the base object of a extended graphics object"},
{"Не удалось добавить расширенный стандартный графический объект в список","Failed to add extended standard graphic object to the list"},
{"Не удалось добавить базовый объект в список","Failed to add base object to list"},
{"Не удалось создать подчинённый объект расширенного графического объекта","Failed to create the dependent object of a extended graphics object"},
{"Не удалось добавить подчинённый объект в список","Failed to add dependent object to list"},
{"Не удалось получить расширенный графический объект из списка","Failed to get extended graphic object from list"},
{"Базовый объект расширенного графического объекта","The base object of the extended graphical object"},
{"Объект не является расширенным стандартным графическим объектом","The object is not an extended standard graphical object"},
class=class="str">"cmt">//--- CLinkedPivotPoint
{"Для объекта не установлено ни одной опорной точки по оси X","The object does not have any pivot points set along the x-axis"},
{"Для объекта не установлено ни одной опорной точки по оси Y","The object does not have any pivot points set along the y-axis"},
{"Объект не привязан к базовому графическому объекту","The object is not attached to the base graphical object"},
{"Не удалось создать объект данных опорной точки X и Y.","Failed to create X and Y reference point data object"},
};
class="kw">public:
class=class="str">"cmt">//--- Constructor
CGStdArrowBuyObj(class="kw">const class="type">long chart_id,class="kw">const class="type">class="kw">string name,class="kw">const class="type">bool extended) :
CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_BUY,(!extended ? GRAPH_ELEMENT_TYPE_STANDARD : GRAPH_ELEMENT_TYPE_STANDARD_EXTENDED),(!extended ? GRAPH_OBJ_BELONG_NO_PROGRAM : GRAPH_OBJ_BELONG_PROGRAM),GRAPH_OBJ_SPECIES_ARROWS,chart_id,class="num">1,name)
{
class=class="str">"cmt">//--- Specify the object class="kw">property
CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,class="num">0,ANCHOR_TOP);
}把对象绑定逻辑交给小布
这些诊断小布盯盘的 AIGC 已内置，打开对应品种页即可看到复合对象的从属关系与坐标偏移，你专注策略而非底层枚举改动。
常见问题
原生对象没有基准 ID 与名称字段，无法表达谁附着于谁；加入整数与字符串属性后，库才能按从属关系筛选、排序和重组。
可以，小布在品种页把基准与从属对象的 X/Y 计算逻辑可视化，省去手动翻枚举和调试属性。
能，例如取趋势线点 0 与点 1 的 X 均值作为从属 X，库类支持用基准任意坐标组合推导位置，概率上更贴合视觉定位。
它让对象列表可按新属性提取，后续实时拖拽附着时，程序能快速判定目标基准与重定义锚点。