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建立一个频谱分析程序·进阶篇

（2/3）· 窗口坐标两套逻辑没理清，指标一挂就把你主图搞乱，这篇专治这种翻车

进阶第 2/3 篇

很多人把频谱分析指标直接丢进主图窗口，结果移除时连带把图表上的图形对象全清了。坐标指定方式若分不清像素绑定和价格时间绑定，面板位置会随滚动乱飘。先弄懂对象锚点，才不会一加载就改了现有窗口的显示参数。

本章目录

用像素坐标批量摆图形对象
按钮点击如何切换指标模式
把频谱面板钉到主图上的代码骨架
控件坐标与配色落点
画布对象的批量注册与坐标落位
用坐标把图形钉到想要的位置

「用像素坐标批量摆图形对象」

在 MT5 自定义指标或 EA 里，图形对象（趋势线、箭头线、矩形）的定位如果每次手写 ObjectSet 会很烦。上面这段把摆盘逻辑收进 AllGrObject::MoveGrObject，入参是对象名加四个整数：x1/y1 是起点柱序与纵向像素，x2/y2 是终点柱序与纵向像素。函数内部先读对象类型，只处理 OBJ_TREND、OBJ_ARROWED_LINE、OBJ_RECTANGLE 三类。对这三类，用 CopyTime 把柱序 x1、x2 转成具体时间，价格端则用 _Point*y 直接乘像素值写进去——也就是说纵向坐标是以点值为单位的像素缩放，不是价格。 gr_object_coordinate 给出了实盘可直接抄的摆位数据：Trdline1~4 是 4 根竖线，x 取 48/176/304/432，y 从 150 到 360；Trdline5~8 是 4 根横线，y 固定 350/300/250/200，x 跨 42~560。Arrline1 从右下 (560,150) 指到左上 (28,150)，Arrline2 从 (560,150) 拉到 (560,370)。Rect1~3 把顶部 0~624 横向三等分，各高 110；Rect4 是兜底大框 624×400。外汇与贵金属杠杆高，这类坐标化布盘只解决界面排列，不预示任何方向。复制进 EA 的 OnChartEvent 点击分支前，先开 MT5 把图表尺寸调到示例假设的 624×400 区域，否则像素对不上会偏位。

MQL5 / C++

class="type">void     SetButtonProp(class="type">class="kw">string name,class="type">bool state,class="type">color col);
class="type">long     GetRowNumber(class="type">class="kw">string name);
class="type">void     LabelTxt(class="type">class="kw">string name,class="type">class="kw">string str);

};
class="type">void AllGrObject::MoveGrObject(class="type">class="kw">string name,class="type">int x1,class="type">int y1,class="type">int x2,class="type">int y2)
  {
  class="type">class="kw">datetime t1[class="num">1],t2[class="num">1];
  class="type">long typ;

  typ=ObjectGetInteger(m_chart_id,name,OBJPROP_TYPE);
  if(typ==OBJ_TREND||typ==OBJ_ARROWED_LINE||typ==OBJ_RECTANGLE)
    {
    CopyTime(_Symbol,_Period,x1,class="num">1,t1);
    CopyTime(_Symbol,_Period,x2,class="num">1,t2);
    ObjectSetInteger(m_chart_id,name,OBJPROP_TIME,class="num">0,t1[class="num">0]);
    ObjectSetDouble(m_chart_id,name,OBJPROP_PRICE,class="num">0,_Point*y1);
    ObjectSetInteger(m_chart_id,name,OBJPROP_TIME,class="num">1,t2[class="num">0]);
    ObjectSetDouble(m_chart_id,name,OBJPROP_PRICE,class="num">1,_Point*y2);
    }
  }
class="type">void gr_object_coordinate()
  {
  GObj.MoveGrObject("Trdline1",class="num">48,class="num">150,class="num">48,class="num">360);
  GObj.MoveGrObject("Trdline2",class="num">176,class="num">150,class="num">176,class="num">360);
  GObj.MoveGrObject("Trdline3",class="num">304,class="num">150,class="num">304,class="num">360);
  GObj.MoveGrObject("Trdline4",class="num">432,class="num">150,class="num">432,class="num">360);
  GObj.MoveGrObject("Trdline5",class="num">42,class="num">350,class="num">560,class="num">350);
  GObj.MoveGrObject("Trdline6",class="num">42,class="num">300,class="num">560,class="num">300);
  GObj.MoveGrObject("Trdline7",class="num">42,class="num">250,class="num">560,class="num">250);
  GObj.MoveGrObject("Trdline8",class="num">42,class="num">200,class="num">560,class="num">200);
  GObj.MoveGrObject("Arrline1",class="num">560,class="num">150,class="num">28,class="num">150);
  GObj.MoveGrObject("Arrline2",class="num">560,class="num">150,class="num">560,class="num">370);
  GObj.MoveGrObject("Rect1",class="num">0,class="num">1,class="num">208,class="num">110);
  GObj.MoveGrObject("Rect2",class="num">208,class="num">1,class="num">416,class="num">110);
  GObj.MoveGrObject("Rect3",class="num">416,class="num">1,class="num">624,class="num">110);
  GObj.MoveGrObject("Rect4",class="num">0,class="num">1,class="num">624,class="num">400);
  GObj.MoveGrObject("Rect5",class="num">20,class="num">10,class="num">195,class="num">80);
  }
  if(id==CHARTEVENT_OBJECT_CLICK)                 class=class="str">"cmt">// 点击在图表对象上
    {

按钮点击如何切换指标模式

在 MT5 自定义指标里，用四个图形按钮切换分析模式是很实用的做法。下面这段事件处理代码演示了点击 Butt1~Butt4 时，如何把被点按钮染成 Chocolate 色、其余置灰为 SlateGray，并改写两个全局标志位。 YPowerFlag 与 YdBFlag 是两个 0/1 开关。Butt1 对应(0,0)，Butt2 对应(0,1)，Butt3 对应(1,0)，Butt4 对应(1,1)，四种组合恰好覆盖两组独立开关的全状态。外汇与贵金属波动剧烈，这类界面切换只改变显示逻辑，不预示任何方向；实盘使用前请在策略测试器里验证按钮事件是否正常触发。别把染色当信号按钮变色只是 UI 反馈，YPowerFlag/YdBFlag 才是后续计算分支的依据，盯盘时别被颜色误导而忽略标志位的真实取值。

MQL5 / C++

if(sparam=="Butt1") class=class="str">"cmt">// 点击了按钮
  {
  GObj.SetButtonProp("Butt1",class="num">1,Chocolate);
  GObj.SetButtonProp("Butt2",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt3",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt4",class="num">0,SlateGray);
  YPowerFlag=class="num">0;YdBFlag=class="num">0;
  }
if(sparam=="Butt2") class=class="str">"cmt">// 点击了按钮
  {
  GObj.SetButtonProp("Butt1",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt2",class="num">1,Chocolate);
  GObj.SetButtonProp("Butt3",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt4",class="num">0,SlateGray);
  YPowerFlag=class="num">0;YdBFlag=class="num">1;
  }
if(sparam=="Butt3") class=class="str">"cmt">// 点击了按钮
  {
  GObj.SetButtonProp("Butt1",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt2",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt3",class="num">1,Chocolate);
  GObj.SetButtonProp("Butt4",class="num">0,SlateGray);
  YPowerFlag=class="num">1;YdBFlag=class="num">0;
  }
if(sparam=="Butt4") class=class="str">"cmt">// 点击了按钮
  {
  GObj.SetButtonProp("Butt1",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt2",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt3",class="num">0,SlateGray);
  GObj.SetButtonProp("Butt4",class="num">1,Chocolate);
  YPowerFlag=class="num">1;YdBFlag=class="num">1;
  }

◍ 把频谱面板钉到主图上的代码骨架

想在 MT5 主图直接叠一个频谱分析面板，核心是先声明图形容器对象，再在指标生命周期里分批创建与定位。下面这段骨架把 AllGrObject 类的实例 GObj 作为总控，OnInit 只负责触发创建，不参与绘制逻辑。 OnCalculate 每次重算都先 MainChart.SetOwnProperty() 恢复图表属性，再 gr_object_coordinate() 重设坐标——这意味着面板位置会随图表滚动实时跟随，而不是一次性写死。外汇与贵金属品种在高波动时段重绘频率可能明显上升，需注意对象刷新带来的轻微资源占用。 gr_object_create() 里用 AddLabel 堆出 6 个刻度标签：X 坐标从 28 到 557 像素不等，对应文字 0 / 128 / 256 / 384 / 512 / N，实质是把 512 点 FFT 频域横轴直接标在主图上。你复制这段代码进 MQ5 文件时，若编译报 GObj 未定义，先确认 SpecAnalyzer.mqh 里 AllGrObject 类已暴露 AddLabel 方法。

MQL5 / C++

class="macro">#include "SpecAnalyzer.mqh"
GRaphChart  MainChart;
AllGrObject GObj;           class=class="str">"cmt">// <----- 创建 AllGrObject 类的对象
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| 自定义指标初始化函数                                              |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">int OnInit()
  {
class=class="str">"cmt">//--- 指标缓冲区映射
class=class="str">"cmt">//---
   gr_object_create();        class=class="str">"cmt">// <----- 创建图形对象
   class="kw">return(class="num">0);
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| 自定义指标迭代函数                                              |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">int OnCalculate(const class="type">int rates_total,
                const class="type">int prev_calculated,
                const class="type">class="kw">datetime& time[],
                const class="type">class="kw">double& open[],
                const class="type">class="kw">double& high[],
                const class="type">class="kw">double& low[],
                const class="type">class="kw">double& close[],
                const class="type">long& tick_volume[],
                const class="type">long& volume[],
                const class="type">int& spread[])
  {
class=class="str">"cmt">//---
   MainChart.SetOwnProperty();    class=class="str">"cmt">// <----- 恢复图表的当前属性
   gr_object_coordinate();        class=class="str">"cmt">// <----- 设置图形对象的坐标
class=class="str">"cmt">//--- 返回 prev_calculated 值用于下次调用
   class="kw">return(rates_total);
  }
class=class="str">"cmt">//----------------------------------------------- 创建所有的图形对象 --
class="type">void gr_object_create()
  {
   GObj.AddLabel("Title",class="num">10,"Arial",DarkGray,class="num">256,class="num">367,"频谱分析仪");
   Obj.AddLabel("Label1",class="num">9,"Arial",LightSteelBlue,class="num">557,class="num">128,"class="num">0");
   GObj.AddLabel("Label2",class="num">9,"Arial",LightSteelBlue,class="num">422,class="num">128,"class="num">128");
   GObj.AddLabel("Label3",class="num">9,"Arial",LightSteelBlue,class="num">294,class="num">128,"class="num">256");
   GObj.AddLabel("Label4",class="num">9,"Arial",LightSteelBlue,class="num">166,class="num">128,"class="num">384");
   GObj.AddLabel("Label5",class="num">9,"Arial",LightSteelBlue,class="num">40,class="num">128,"class="num">512");
   GObj.AddLabel("Label6",class="num">9,"Arial",LightSteelBlue,class="num">28,class="num">156,"N");

「控件坐标与配色落点」

这段初始化把面板右侧的刻度标签和顶部说明一次性铺开：Y 轴方向从 y=141 到 y=341，每隔 50 像素标一个数值，0.00、0.25、0.50、0.75、1.00 正好对应归一化坐标，y=358 处补一个「U」表示上边界。颜色统一用 LightSteelBlue，字号 9、Arial，视觉上和主图区弱区分。顶部三块灰色说明（DarkGray、字号 9）放在 y=86：x=490 写「Y-轴模式」、x=285 写「输入数据」、x=75 写「水平」、x=185 写「N」，相当于给矩阵列做了静态表头。左侧 x=64 那排 Courier 8 号 DarkOliveGreen 标签（Label17~21）从 y=64 到 y=12 每 13 像素一个，是留给行号或样本索引的空槽。按钮区才是交互入口：Butt1~Butt4 宽度 185、高度 18，背景 C'32,32,32'、Arial 8 号，分别落在 x=612 的 y=79/61/43/25，文案「振幅(线)」「振幅(对数)」「能量(线)」「能量(对数)」，最后一个参数 0/1 控制线性或对数映射。Butt5、Butt6 挪到 x=403，做「外部数据」和「测试 1. SMA(3)」切换。外汇与贵金属图表加载这类面板时波动剧烈，按钮状态误触可能重算整屏，实盘前建议在 MT5 策略测试器里先点一遍确认重绘耗时。下面这段是上述标签与按钮的原样声明，可直接粘进 GObj 封装类后对照坐标调间距：

MQL5 / C++

GObj.AddLabel("Label7",class="num">9,"Arial",LightSteelBlue,class="num">569,class="num">141,"class="num">0.00");
GObj.AddLabel("Label8",class="num">9,"Arial",LightSteelBlue,class="num">569,class="num">191,"class="num">0.25");
GObj.AddLabel("Label9",class="num">9,"Arial",LightSteelBlue,class="num">569,class="num">241,"class="num">0.50");
GObj.AddLabel("Label10",class="num">9,"Arial",LightSteelBlue,class="num">569,class="num">291,"class="num">0.75");
GObj.AddLabel("Label11",class="num">9,"Arial",LightSteelBlue,class="num">569,class="num">341,"class="num">1.00");
GObj.AddLabel("Label12",class="num">9,"Arial",LightSteelBlue,class="num">569,class="num">358,"U");
GObj.AddLabel("Label13",class="num">9,"Arial",DarkGray,class="num">490,class="num">86,"Y-轴模式");
GObj.AddLabel("Label14",class="num">9,"Arial",DarkGray,class="num">285,class="num">86,"输入数据");
GObj.AddLabel("Label15",class="num">9,"Arial",DarkGray,class="num">75,class="num">86,"水平");
GObj.AddLabel("Label16",class="num">9,"Arial",DarkGray,class="num">185,class="num">86,"N");
GObj.AddLabel("Label17",class="num">8,"Courier",DarkOliveGreen,class="num">64,class="num">64);
GObj.AddLabel("Label18",class="num">8,"Courier",DarkOliveGreen,class="num">64,class="num">51);
GObj.AddLabel("Label19",class="num">8,"Courier",DarkOliveGreen,class="num">64,class="num">38);
GObj.AddLabel("Label20",class="num">8,"Courier",DarkOliveGreen,class="num">64,class="num">25);
GObj.AddLabel("Label21",class="num">8,"Courier",DarkOliveGreen,class="num">64,class="num">12);
GObj.AddButton("Butt1",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",SlateGray,class="num">612,class="num">79,"振幅 (线)",class="num">0);
GObj.AddButton("Butt2",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",Chocolate,class="num">612,class="num">61,"振幅 (对数)",class="num">1);
GObj.AddButton("Butt3",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",SlateGray,class="num">612,class="num">43,"能量 (线)",class="num">0);
GObj.AddButton("Butt4",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",SlateGray,class="num">612,class="num">25,"能量 (对数)",class="num">0);
GObj.AddButton("Butt5",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",SlateGray,class="num">403,class="num">79,"外部数据",class="num">0);
GObj.AddButton("Butt6",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",SlateGray,class="num">403,class="num">61,"测试 class="num">1. SMA(class="num">3)",class="num">0);

画布对象的批量注册与坐标落位

在 MT5 的自定义图形面板里，对象不是凭空显示的，得先向 GObj 容器逐个登记。上面这段把按钮、编辑框、趋势线、箭头线和矩形一次性塞进去：按钮 Butt7~Butt10 用 Arial 或 Wingdings 字体，其中 Wingdings 按钮直接传了 \x0431、\x0432 这类符号码；趋势线一口气加了 8 条，箭头线 2 条，矩形 5 个，颜色多取 C'32,32,32' 或 C'72,72,72' 这类深灰。登记完只是有了对象，真正决定它们长在哪，是 gr_object_coordinate() 里的 MoveGrObject 调用。趋势线 Trdline1~4 的 x 坐标分别是 48、176、304、432，y 从 150 拉到 360，等于在画布上画出四条等距竖线；Trdline5~8 则固定在 y=350/300/250/200，x 跨 42 到 560，形成横向参考带。箭头线 Arrline1 从 (560,150) 指向 (28,150)，是向左的水平指示；Arrline2 从 (560,150) 落到 (560,370)，作右侧垂直标度。矩形 Rect1、Rect2 分别占 (0,1)-(208,110) 和 (208,1)-(416,110)，把顶部区域切成了两块。开 MT5 把这段贴进 EA，改一下 MoveGrObject 的像素参数，就能看到面板布局跟着变。

MQL5 / C++

GObj.AddButton("Butt7",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",Chocolate,class="num">403,class="num">43,"测试 class="num">2. SMA(class="num">32)",class="num">1);
GObj.AddButton("Butt8",class="num">185,class="num">18,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Arial",SlateGray,class="num">403,class="num">25,"测试 class="num">3. LWMA(class="num">12)",class="num">0);
GObj.AddButton("Butt9",class="num">14,class="num">34,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Wingdings",SlateGray,class="num">36,class="num">78,"\x0431",class="num">0);
GObj.AddButton("Butt10",class="num">14,class="num">34,C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;,class="num">8,"Wingdings",SlateGray,class="num">36,class="num">44,"\x0432",class="num">0);
GObj.AddEdit("Edit1",class="num">35,class="num">18,Black,class="num">9,"Arial",SlateGray,class="num">180,class="num">102);
GObj.AddTrendLine("Trdline1",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddTrendLine("Trdline2",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddTrendLine("Trdline3",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddTrendLine("Trdline4",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddTrendLine("Trdline5",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddTrendLine("Trdline6",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddTrendLine("Trdline7",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddTrendLine("Trdline8",C&class="macro">#x27;class="num">32,class="num">32,class="num">32&class="macro">#x27;);
GObj.AddArrowline("Arrline1",LightSteelBlue);
GObj.AddArrowline("Arrline2",LightSteelBlue);
GObj.AddRectangle("Rect1",C&class="macro">#x27;class="num">72,class="num">72,class="num">72&class="macro">#x27;);
GObj.AddRectangle("Rect2",C&class="macro">#x27;class="num">72,class="num">72,class="num">72&class="macro">#x27;);
GObj.AddRectangle("Rect3",C&class="macro">#x27;class="num">72,class="num">72,class="num">72&class="macro">#x27;);
GObj.AddRectangle("Rect4",DarkGray);
GObj.AddRectangle("Rect5",C&class="macro">#x27;class="num">72,class="num">72,class="num">72&class="macro">#x27;);
}
class=class="str">"cmt">//---------- 设置趋势线，箭头线和长方形对象的坐标 --
class="type">void gr_object_coordinate()
  {
  GObj.MoveGrObject("Trdline1",class="num">48,class="num">150,class="num">48,class="num">360);
  GObj.MoveGrObject("Trdline2",class="num">176,class="num">150,class="num">176,class="num">360);
  GObj.MoveGrObject("Trdline3",class="num">304,class="num">150,class="num">304,class="num">360);
  GObj.MoveGrObject("Trdline4",class="num">432,class="num">150,class="num">432,class="num">360);
  GObj.MoveGrObject("Trdline5",class="num">42,class="num">350,class="num">560,class="num">350);
  GObj.MoveGrObject("Trdline6",class="num">42,class="num">300,class="num">560,class="num">300);
  GObj.MoveGrObject("Trdline7",class="num">42,class="num">250,class="num">560,class="num">250);
  GObj.MoveGrObject("Trdline8",class="num">42,class="num">200,class="num">560,class="num">200);
  GObj.MoveGrObject("Arrline1",class="num">560,class="num">150,class="num">28,class="num">150);
  GObj.MoveGrObject("Arrline2",class="num">560,class="num">150,class="num">560,class="num">370);
  GObj.MoveGrObject("Rect1",class="num">0,class="num">1,class="num">208,class="num">110);
  GObj.MoveGrObject("Rect2",class="num">208,class="num">1,class="num">416,class="num">110);

◍ 用坐标把图形钉到想要的位置

上面三行把五个矩形里的后三个一次性挪了位，参数都是像素坐标，不是价格。Rect3 从 x=416、y=1 拉到 x=624、y=110，相当于贴着图表右侧画一条窄竖条。 Rect4 从 x=0、y=1 到 x=624、y=400，几乎铺满整张图的下半区，适合做背景遮罩或分区底纹。Rect5 只占了 x=20、y=10 到 x=195、y=80 的小块，常用来放标签或说明框。在 MT5 里跑这段前，先确认图表宽度够 624 像素，否则右边界会被截掉。外汇和贵金属波动剧烈，图形只是辅助定位，不等于方向判断，下单前仍要自担高风险。

MQL5 / C++

  GObj.MoveGrObject("Rect3",class="num">416,class="num">1,class="num">624,class="num">110);
  GObj.MoveGrObject("Rect4",class="num">0,class="num">1,class="num">624,class="num">400);
  GObj.MoveGrObject("Rect5",class="num">20,class="num">10,class="num">195,class="num">80);
  }
class=class="str">"cmt">//+------------------------------------------------------------------+

把面板诊断交给小布盯盘

这些图形对象锚点冲突和窗口参数变更风险，小布盯盘的 AIGC 已内置识别，打开对应品种页就能看到加载提示，你只管调策略逻辑。

常见问题

像素坐标绑定窗口固定角，窗口尺寸或图表滚动时对象位置不变；价格时间坐标会随轴移动，按钮类控件用像素才能稳定停靠。

可以，小布盯盘的品种页会标记这类独立窗口需求与对象清理行为，避免你误挂主图导致显示参数被改。

它创建和删除大量图形对象，挂主图会在移除时清掉窗口所有对象，独立窗口可隔离这种副作用。

纵轴固定 0.0、横轴零柱贴右边缘，能让坐标基点落右下角且尺寸固定，趋势线类对象有稳定参照不至于随新柱左移。

SpecAnalyzer.mq5 是指标主体，mqh 是其包含文件，SAInpData.mq5 组织外部数据访问，三者同放 Indicators 文件夹并编译前两个。

建立一个频谱分析程序·进阶篇

「用像素坐标批量摆图形对象」

按钮点击如何切换指标模式

◍ 把频谱面板钉到主图上的代码骨架

「控件坐标与配色落点」

画布对象的批量注册与坐标落位

◍ 用坐标把图形钉到想要的位置

常见问题

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