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DoEasy 库中的其他类（第七十二部分）：跟踪并记录集合中的图表对象参数·进阶篇

（2/3）· 当图表窗口属性被改，怎样不靠手写轮询就让集合里的对象自己上报变更信号

含代码示例偏理论第 2/3 篇

很多人改了图表子窗口属性后，还在用定时器手动比对旧值新值。其实基类早就把属性变更的事件通道铺好了，只是没接上图表窗口这一类对象。

本章目录

图表属性枚举里的显示与配色开关
图表属性枚举里的颜色与窗口定位项
图表整数属性的枚举尾巴与排序偏移
图表属性枚举的排序锚点
图表对象排序枚举的视觉与交互字段
图表窗口排序枚举的收尾字段

◍ 图表属性枚举里的显示与配色开关

在 MT5 的图表属性体系里，有一批枚举常量专门控制「画面上到底显示什么、用什么颜色画」。上面这段列出了从缩放模式到阳线配色的一串 CHART_PROP_* 常量，每个都对应 ChartGetInteger / ChartSetInteger 的一个可读写字段。比如 CHART_PROP_SCALEFIX_11 是 1:1 比例模式，CHART_PROP_SHOW_BID_LINE 与 CHART_PROP_SHOW_ASK_LINE 分别决定买价、卖价水平线是否画出，CHART_PROP_VISIBLE_BARS 则返回当前图表能显示的 K 线数量。做价格行为分析时，关掉网格（CHART_PROP_SHOW_GRID=false）和成交量（CHART_PROP_SHOW_VOLUMES=false）往往能让裸 K 更干净。配色类常量也别忽略：CHART_PROP_COLOR_BACKGROUND 是背景色，CHART_PROP_COLOR_CHART_UP 控制阳线的影线和实体边框色。外汇与贵金属波动剧烈、杠杆风险高，改这些属性只是视觉辅助，不改变行情本身的概率结构，实盘前请在策略测试器里先验证显示逻辑。

MQL5 / C++

  CHART_PROP_SCALEFIX_11,                                                                       class=class="str">"cmt">// class="num">1:class="num">1 scale mode
  CHART_PROP_SCALE_PT_PER_BAR,                                                                     class=class="str">"cmt">// The mode of specifying the scale in points per bar
  CHART_PROP_SHOW_TICKER,                                                                          class=class="str">"cmt">// Display a symbol ticker in the upper left corner
  CHART_PROP_SHOW_OHLC,                                                                            class=class="str">"cmt">// Display OHLC values in the upper left corner
  CHART_PROP_SHOW_BID_LINE,                                                                        class=class="str">"cmt">// Display Bid value as a horizontal line on the chart
  CHART_PROP_SHOW_ASK_LINE,                                                                        class=class="str">"cmt">// Display Ask value as a horizontal line on a chart
  CHART_PROP_SHOW_LAST_LINE,                                                                       class=class="str">"cmt">// Display Last value as a horizontal line on a chart
  CHART_PROP_SHOW_PERIOD_SEP,                                                                      class=class="str">"cmt">// Display vertical separators between adjacent periods
  CHART_PROP_SHOW_GRID,                                                                            class=class="str">"cmt">// Display a grid on the chart
  CHART_PROP_SHOW_VOLUMES,                                                                         class=class="str">"cmt">// Display volumes on a chart
  CHART_PROP_SHOW_OBJECT_DESCR,                                                                    class=class="str">"cmt">// Display text descriptions of objects
  CHART_PROP_VISIBLE_BARS,                                                                         class=class="str">"cmt">// Number of bars on a chart that are available for display
  CHART_PROP_WINDOWS_TOTAL,                                                                        class=class="str">"cmt">// The total number of chart windows including indicator subwindows
  CHART_PROP_WINDOW_HANDLE,                                                                        class=class="str">"cmt">// Chart window handle
  CHART_PROP_FIRST_VISIBLE_BAR,                                                                    class=class="str">"cmt">// Number of the first visible bar on the chart
  CHART_PROP_WIDTH_IN_BARS,                                                                        class=class="str">"cmt">// Width of the chart in bars
  CHART_PROP_WIDTH_IN_PIXELS,                                                                      class=class="str">"cmt">// Width of the chart in pixels
  CHART_PROP_COLOR_BACKGROUND,                                                                     class=class="str">"cmt">// Color of background of the chart
  CHART_PROP_COLOR_FOREGROUND,                                                                     class=class="str">"cmt">// Color of axes, scale and OHLC line
  CHART_PROP_COLOR_GRID,                                                                           class=class="str">"cmt">// Grid class="type">class="kw">color
  CHART_PROP_COLOR_VOLUME,                                                                         class=class="str">"cmt">// Color of volumes and position opening levels
  CHART_PROP_COLOR_CHART_UP,                                                                       class=class="str">"cmt">// Color for the up bar, shadows and body borders of bull candlesticks

图表属性枚举里的颜色与窗口定位项

在 MT5 的图表属性枚举中，有一组常量专门控制 K 线配色与交易相关的视觉元素。例如 CHART_PROP_COLOR_CHART_DOWN 决定阴线实体边框与影线颜色，CHART_PROP_COLOR_CANDLE_BULL 和 CHART_PROP_COLOR_CANDLE_BEAR 则分别管看涨、看跌 K 线的实体填充色，改这几个值就能让盯盘配色脱离默认绿红。 CHART_PROP_COLOR_BID、CHART_PROP_COLOR_ASK、CHART_PROP_COLOR_LAST 对应买卖价与最后一笔成交价的线色，CHART_PROP_COLOR_STOP_LEVEL 控制止损止盈水平线颜色。若你用「小布盯盘」做多品种监控，统一这几项配色能降低视觉误读概率。窗口状态类枚举也值得注意：CHART_PROP_IS_MAXIMIZED / IS_MINIMIZED / IS_DOCKED 反映图表窗体状态，而未停靠时用 CHART_PROP_FLOAT_LEFT、FLOAT_TOP、FLOAT_RIGHT、FLOAT_BOTTOM 描述相对虚拟屏幕的四至坐标。CHART_PROP_YDISTANCE 则是指标子窗口上边框到主图表窗口上边框的 Y 轴像素距离，默认布局下常见为 0 或副图高度值，可用于校验指标窗口位置。外汇与贵金属杠杆高、滑点跳空频繁，改图表属性只是视觉辅助，不构成任何方向判断。

MQL5 / C++

CHART_PROP_COLOR_CHART_DOWN,           class=class="str">"cmt">// 阴线实体边框、影线颜色
CHART_PROP_COLOR_CHART_LINE,           class=class="str">"cmt">// 折线图与十字星K线颜色
CHART_PROP_COLOR_CANDLE_BULL,          class=class="str">"cmt">// 看涨K线实体颜色
CHART_PROP_COLOR_CANDLE_BEAR,          class=class="str">"cmt">// 看跌K线实体颜色
CHART_PROP_COLOR_BID,                  class=class="str">"cmt">// 买价线颜色
CHART_PROP_COLOR_ASK,                  class=class="str">"cmt">// 卖价线颜色
CHART_PROP_COLOR_LAST,                 class=class="str">"cmt">// 最后一笔成交价线颜色
CHART_PROP_COLOR_STOP_LEVEL,           class=class="str">"cmt">// 止损止盈水平线颜色
CHART_PROP_SHOW_TRADE_LEVELS,          class=class="str">"cmt">// 图表显示交易水平(持仓/SL/TP/挂单)
CHART_PROP_DRAG_TRADE_LEVELS,          class=class="str">"cmt">// 允许鼠标拖拽交易水平
CHART_PROP_SHOW_DATE_SCALE,            class=class="str">"cmt">// 显示时间轴
CHART_PROP_SHOW_PRICE_SCALE,           class=class="str">"cmt">// 显示价格轴
CHART_PROP_SHOW_ONE_CLICK,             class=class="str">"cmt">// 显示一键交易面板
CHART_PROP_IS_MAXIMIZED,               class=class="str">"cmt">// 图表窗口最大化
CHART_PROP_IS_MINIMIZED,               class=class="str">"cmt">// 图表窗口最小化
CHART_PROP_IS_DOCKED,                  class=class="str">"cmt">// 图表窗口已停靠
CHART_PROP_FLOAT_LEFT,                 class=class="str">"cmt">// 未停靠窗口左坐标(虚拟屏幕)
CHART_PROP_FLOAT_TOP,                  class=class="str">"cmt">// 未停靠窗口上坐标(虚拟屏幕)
CHART_PROP_FLOAT_RIGHT,                class=class="str">"cmt">// 未停靠窗口右坐标(虚拟屏幕)
CHART_PROP_FLOAT_BOTTOM,               class=class="str">"cmt">// 未停靠窗口下坐标(虚拟屏幕)
CHART_PROP_YDISTANCE                  class=class="str">"cmt">// 指标子窗上边框到主图窗上边框Y像素距

「图表整数属性的枚举尾巴与排序偏移」

在 MT5 的图表属性枚举里，整数类属性收尾于像素高度、附图指标句柄与附图指标序号三项，它们紧接在前 63 个可用整数属性之后。宏 CHART_PROP_INTEGER_TOTAL 写死为 66，代表整数属性总量；CHART_PROP_INTEGER_SKIP 为 2，表示有 2 个整数属性不参与排序索引。排序偏移靠两个宏算出：FIRST_CHART_DBL_PROP 等于 66 减 2 得 64，即双精度属性起始位；FIRST_CHART_STR_PROP 再叠加重数属性总量与跳过数，指向字符串属性区。 ENUM_SORT_CHART_MODE 从 SORT_BY_CHART_ID = 0 起，按整数属性顺序暴露了图表 ID、周期、显隐、是否为 OBJ_CHART 对象等十余种排序键，写多图表批处理脚本时直接套这些枚举值即可。

MQL5 / C++

class="macro">#define CHART_PROP_INTEGER_TOTAL(class="num">66) class=class="str">"cmt">// Total number of integer properties
class="macro">#define CHART_PROP_INTEGER_SKIP(class="num">2)   class=class="str">"cmt">// Number of integer properties not used in sorting
class="macro">#define FIRST_CHART_DBL_PROP(CHART_PROP_INTEGER_TOTAL-CHART_PROP_INTEGER_SKIP)
class="macro">#define FIRST_CHART_STR_PROP(CHART_PROP_INTEGER_TOTAL-CHART_PROP_INTEGER_SKIP+CHART_PROP_DOUBLE_TOTAL-CHART_PROP_DOUBLE_SKIP)
enum ENUM_SORT_CHART_MODE
  {
  SORT_BY_CHART_ID = class="num">0,                class=class="str">"cmt">// Sort by chart ID
  SORT_BY_CHART_TIMEFRAME,             class=class="str">"cmt">// Sort by chart timeframe
  SORT_BY_CHART_SHOW,                  class=class="str">"cmt">// Sort by the price chart drawing attribute
  SORT_BY_CHART_IS_OBJECT,             class=class="str">"cmt">// Sort by chart object(OBJ_CHART) identification attribute
  SORT_BY_CHART_BRING_TO_TOP,          class=class="str">"cmt">// Sort by the flag of displaying a chart above all others
  SORT_BY_CHART_CONTEXT_MENU,          class=class="str">"cmt">// Sort by the flag of enabling/disabling access to the context menu class="kw">using the right click
  SORT_BY_CHART_CROSSHAIR_TOO,         class=class="str">"cmt">// Sort by the flag of enabling/disabling access to the Crosshair tool class="kw">using the middle click
  SORT_BY_CHART_MOUSE_SCROLL,          class=class="str">"cmt">// Sort by the flag of scrolling the chart horizontally class="kw">using the left mouse button
  SORT_BY_CHART_EVENT_MOUSE_WHEEL,     class=class="str">"cmt">// Sort by the flag of sending messages about mouse wheel events to all MQL5 programs on a chart
  SORT_BY_CHART_EVENT_MOUSE_MOVE,      class=class="str">"cmt">// Sort by the flag of sending messages about mouse button click and movement events to all MQL5 programs on a chart
  SORT_BY_CHART_EVENT_OBJECT_CREATE,   class=class="str">"cmt">// Sort by the flag of sending messages about the graphical object creation event to all MQL5 programs on a chart
  SORT_BY_CHART_EVENT_OBJECT_DELETE    class=class="str">"cmt">// Sort by the flag of sending messages about the graphical object destruction event to all MQL5 programs on a chart
  };

◍ 图表属性枚举的排序锚点

在 MT5 的图表对象枚举体系里，有一组以 SORT_BY_CHART_ 开头的常量，专门用来按图表状态与显示属性做排序或筛选。它们不是指标计算量，而是图表自身的可视化与控制标志。比如 SORT_BY_CHART_MODE 对应图表类型（蜡烛/折线等），SORT_BY_CHART_SCALE 抓的是缩放级别，SORT_BY_CHART_SHOW_BID_LINE 和 SORT_BY_CHART_SHOW_ASK_LINE 则分别绑定买价、卖价水平线的显隐状态。做多图表批量扫描时，靠这些锚点能直接挑出「显示 Ask 线且未锁定比例」的图。下面这段枚举摘出来，开 MT5 在 MetaEditor 搜 SORT_BY_CHART 就能看到完整列表，验证时建议对照图表右键属性面板逐项勾选观察。外汇与贵金属波动剧烈，这类属性筛选仅用于界面管理，不预示任何价格方向。

MQL5 / C++

  SORT_BY_CHART_MODE,                                                          class=class="str">"cmt">// Sort by chart type
  SORT_BY_CHART_FOREGROUND,                                                    class=class="str">"cmt">// Sort by the "Price chart in the foreground" flag
  SORT_BY_CHART_SHIFT,                                                         class=class="str">"cmt">// Sort by the "Mode of shift of the price chart from the right border" flag
  SORT_BY_CHART_AUTOSCROLL,                                                    class=class="str">"cmt">// Sort by the "The mode of automatic shift to the right border of the chart" flag
  SORT_BY_CHART_KEYBOARD_CONTROL,                                              class=class="str">"cmt">// Sort by the flag allowing the chart management class="kw">using a keyboard
  SORT_BY_CHART_QUICK_NAVIGATION,                                             class=class="str">"cmt">// Sort by the flag allowing the chart to intercept Space and Enter key strokes to activate the quick navigation bar
  SORT_BY_CHART_SCALE,                                                         class=class="str">"cmt">// Sort by scale
  SORT_BY_CHART_SCALEFIX,                                                      class=class="str">"cmt">// Sort by the fixed scale flag
  SORT_BY_CHART_SCALEFIX_11,                                                   class=class="str">"cmt">// Sort by the class="num">1:class="num">1 scale flag
  SORT_BY_CHART_SCALE_PT_PER_BAR,                                              class=class="str">"cmt">// Sort by the flag of specifying the scale in points per bar
  SORT_BY_CHART_SHOW_TICKER,                                                   class=class="str">"cmt">// Sort by the flag displaying a symbol ticker in the upper left corner
  SORT_BY_CHART_SHOW_OHLC,                                                     class=class="str">"cmt">// Sort by the flag displaying OHLC values in the upper left corner
  SORT_BY_CHART_SHOW_BID_LINE,                                                 class=class="str">"cmt">// Sort by the flag displaying Bid value as a horizontal line on the chart
  SORT_BY_CHART_SHOW_ASK_LINE,                                                 class=class="str">"cmt">// Sort by the flag displaying Ask value as a horizontal line on the chart
  SORT_BY_CHART_SHOW_LAST_LINE,                                                class=class="str">"cmt">// Sort by the flag displaying Last value as a horizontal line on the chart
  SORT_BY_CHART_SHOW_PERIOD_SEP,                                               class=class="str">"cmt">// Sort by the flag displaying vertical separators between adjacent periods
  SORT_BY_CHART_SHOW_GRID,                                                     class=class="str">"cmt">// Sort by the flag of displaying a grid on the chart
  SORT_BY_CHART_SHOW_VOLUMES,                                                  class=class="str">"cmt">// Sort by the mode of displaying volumes on a chart
  SORT_BY_CHART_SHOW_OBJECT_DESCR,                                             class=class="str">"cmt">// Sort by the flag of displaying object text descriptions
  SORT_BY_CHART_VISIBLE_BARS,                                                  class=class="str">"cmt">// Sort by the number of bars on a chart that are available for display
  SORT_BY_CHART_WINDOWS_TOTAL                                                 class=class="str">"cmt">// Sort by the total number of chart windows including indicator subwindows

图表对象排序枚举的视觉与交互字段

在 MT5 的图表对象枚举体系里，SORT_BY_CHART_* 系列除了定位句柄与可见 K 线数，还覆盖了大量视觉与交互属性。上面这段枚举清单列出了从背景色、坐标轴色到买卖价线颜色的 28 个排序维度，说明图表管理器能把任意视觉特征当作索引键。比如 SORT_BY_CHART_COLOR_BID 与 SORT_BY_CHART_COLOR_ASK 分别指向买卖价线的颜色，SORT_BY_CHART_SHOW_ONE_CLICK 对应图表上快捷交易面板的显示开关。若你写 EA 时需要批量识别开启了「一键交易」的图表，直接按这个枚举做 ChartGetInteger 过滤即可。外汇与贵金属市场杠杆高、滑点大，用这类接口做多图监控时，任何颜色或开关的状态误读都可能让你下错单。建议先在模拟账户挂一段扫描代码跑通逻辑，再接真实品种。

MQL5 / C++

  SORT_BY_CHART_WINDOW_HANDLE,                 class=class="str">"cmt">// Sort by the chart handle
  SORT_BY_CHART_FIRST_VISIBLE_BAR,              class=class="str">"cmt">// Sort by the number of the first visible bar on the chart
  SORT_BY_CHART_WIDTH_IN_BARS,                  class=class="str">"cmt">// Sort by the width of the chart in bars
  SORT_BY_CHART_WIDTH_IN_PIXELS,                class=class="str">"cmt">// Sort by the width of the chart in pixels
  SORT_BY_CHART_COLOR_BACKGROUND,               class=class="str">"cmt">// Sort by the class="type">class="kw">color of the chart background
  SORT_BY_CHART_COLOR_FOREGROUND,               class=class="str">"cmt">// Sort by class="type">class="kw">color of axes, scale and OHLC line
  SORT_BY_CHART_COLOR_GRID,                     class=class="str">"cmt">// Sort by grid class="type">class="kw">color
  SORT_BY_CHART_COLOR_VOLUME,                   class=class="str">"cmt">// Sort by the class="type">class="kw">color of volumes and position opening levels
  SORT_BY_CHART_COLOR_CHART_UP,                 class=class="str">"cmt">// Sort by the class="type">class="kw">color for the up bar, shadows and body borders of bull candlesticks
  SORT_BY_CHART_COLOR_CHART_DOWN,               class=class="str">"cmt">// Sort by the class="type">class="kw">color of down bar, its shadow and border of body of the bullish candlestick
  SORT_BY_CHART_COLOR_CHART_LINE,               class=class="str">"cmt">// Sort by the class="type">class="kw">color of the chart line and the Doji candlesticks
  SORT_BY_CHART_COLOR_CANDLE_BULL,              class=class="str">"cmt">// Sort by the class="type">class="kw">color of a bullish candlestick body
  SORT_BY_CHART_COLOR_CANDLE_BEAR,              class=class="str">"cmt">// Sort by the class="type">class="kw">color of a bearish candlestick body
  SORT_BY_CHART_COLOR_BID,                      class=class="str">"cmt">// Sort by the class="type">class="kw">color of the Bid price line
  SORT_BY_CHART_COLOR_ASK,                      class=class="str">"cmt">// Sort by the class="type">class="kw">color of the Ask price line
  SORT_BY_CHART_COLOR_LAST,                     class=class="str">"cmt">// Sort by the class="type">class="kw">color of the last performed deal&class="macro">#x27;s price line(Last)
  SORT_BY_CHART_COLOR_STOP_LEVEL,               class=class="str">"cmt">// Sort by the class="type">class="kw">color of stop order levels(Stop Loss and Take Profit)
  SORT_BY_CHART_SHOW_TRADE_LEVELS,              class=class="str">"cmt">// Sort by the flag of displaying trading levels on the chart
  SORT_BY_CHART_DRAG_TRADE_LEVELS,              class=class="str">"cmt">// Sort by the flag enabling the ability to drag trading levels on a chart class="kw">using mouse
  SORT_BY_CHART_SHOW_DATE_SCALE,                class=class="str">"cmt">// Sort by the flag of displaying the time scale on the chart
  SORT_BY_CHART_SHOW_PRICE_SCALE,               class=class="str">"cmt">// Sort by the flag of displaying the price scale on the chart
  SORT_BY_CHART_SHOW_ONE_CLICK,                 class=class="str">"cmt">// Sort by the flag of displaying the quick trading panel on the chart
  SORT_BY_CHART_IS_MAXIMIZED,                   class=class="str">"cmt">// Sort by the "Chart window maximized" flag

「图表窗口排序枚举的收尾字段」

上面这组枚举把 ChartGetInteger 类排序常量收了尾，从窗口最小化、停靠状态一路列到虚拟屏幕坐标（左、上、右、下），以及子窗口与主图在 Y 轴像素间距、图表像素高度等布局属性。紧接着以 FIRST_CHART_DBL_PROP 为界切到实数属性段：零柱相对右边界偏移百分比、左边界固定位百分比、固定最大最小值、每柱点数比例、图表实际价格上下限，共 9 个双精度排序键。字符串段从 FIRST_CHART_STR_PROP 起头，覆盖图表注释、EA 名、脚本名、主图指标名与品种名，合计 5 个文本类排序维度。开 MT5 在 MetaEditor 搜 ENUM_CHART_SORT 可直接核对这套常量定义，写多图批量管理脚本时按这些键排序能少绕弯路。

MQL5 / C++

   SORT_BY_CHART_IS_MINIMIZED,                                                                       class=class="str">"cmt">// Sort by the "Chart window minimized" flag
   SORT_BY_CHART_IS_DOCKED,                                                                            class=class="str">"cmt">// Sort by the "Chart window docked" flag
   SORT_BY_CHART_FLOAT_LEFT,                                                                           class=class="str">"cmt">// Sort by the left coordinate of the undocked chart window relative to the class="kw">virtual screen
   SORT_BY_CHART_FLOAT_TOP,                                                                            class=class="str">"cmt">// Sort by the upper coordinate of the undocked chart window relative to the class="kw">virtual screen
   SORT_BY_CHART_FLOAT_RIGHT,                                                                          class=class="str">"cmt">// Sort by the right coordinate of the undocked chart window relative to the class="kw">virtual screen
   SORT_BY_CHART_FLOAT_BOTTOM,                                                                         class=class="str">"cmt">// Sort by the bottom coordinate of the undocked chart window relative to the class="kw">virtual screen
   SORT_BY_CHART_YDISTANCE,                                                                            class=class="str">"cmt">// Sort by the distance in Y axis pixels between the upper frame of the indicator subwindow and the upper frame of the chart main window
   SORT_BY_CHART_HEIGHT_IN_PIXELS,                                                                     class=class="str">"cmt">// Sort by the height of the chart in pixels
class=class="str">"cmt">//--- Sort by real properties
   SORT_BY_CHART_SHIFT_SIZE = FIRST_CHART_DBL_PROP,                                                    class=class="str">"cmt">// Sort by the shift size of the zero bar from the right border in %
   SORT_BY_CHART_FIXED_POSITION,                                                                       class=class="str">"cmt">// Sort by the chart fixed position from the left border in %
   SORT_BY_CHART_FIXED_MAX,                                                                            class=class="str">"cmt">// Sort by the fixed chart maximum
   SORT_BY_CHART_FIXED_MIN,                                                                            class=class="str">"cmt">// Sort by the fixed chart minimum
   SORT_BY_CHART_POINTS_PER_BAR,                                                                       class=class="str">"cmt">// Sort by the scale value in points per bar
   SORT_BY_CHART_PRICE_MIN,                                                                            class=class="str">"cmt">// Sort by the chart minimum
   SORT_BY_CHART_PRICE_MAX,                                                                            class=class="str">"cmt">// Sort by the chart maximum
class=class="str">"cmt">//--- Sort by class="type">class="kw">string properties
   SORT_BY_CHART_COMMENT = FIRST_CHART_STR_PROP,                                                       class=class="str">"cmt">// Sort by a comment text on the chart
   SORT_BY_CHART_EXPERT_NAME,                                                                          class=class="str">"cmt">// Sort by a name of an EA launched on the chart
   SORT_BY_CHART_SCRIPT_NAME,                                                                          class=class="str">"cmt">// Sort by a name of a script launched on the chart
   SORT_BY_CHART_INDICATOR_NAME,                                                                       class=class="str">"cmt">// Sort by a name of an indicator launched in the chart window
   SORT_BY_CHART_SYMBOL,                                                                               class=class="str">"cmt">// Sort by chart symbol
   };

交给小布盯盘看盘口

这些诊断小布盯盘的 AIGC 已内置，打开对应品种页即可看到对象属性变更的实时标注，你只管判断信号真假。

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DoEasy 库中的其他类（第七十二部分）：跟踪并记录集合中的图表对象参数（基础篇）

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DoEasy 库中的其他类（第七十二部分）：跟踪并记录集合中的图表对象参数·综合运用

常见问题

早期窗口对象属性挂在所属图表对象下，未独立成库对象，导致保存先前状态与自动更新冲突，本篇将其补全为成熟对象。

可为跟踪属性或属性变化组合设置阈值，越界时自动生成事件并送入控制程序图表，无需外部判断。

可以，小布已内置这类诊断视图，打开品种页就能看到参数变动与事件列表，省去自己跑脚本。

消息索引映射文本提示，列表 ID 标记对象归属集合，二者让自定义事件可读且可路由到正确处理器。

本系列第三篇会接着扩展其他集合对象的自动跟踪，完整应用见同系列收尾篇。

DoEasy 库中的其他类（第七十二部分）：跟踪并记录集合中的图表对象参数·进阶篇

◍ 图表属性枚举里的显示与配色开关

图表属性枚举里的颜色与窗口定位项

「图表整数属性的枚举尾巴与排序偏移」

◍ 图表属性枚举的排序锚点

图表对象排序枚举的视觉与交互字段

「图表窗口排序枚举的收尾字段」

常见问题

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