add in dialog box

#property indicator_chart_window
#include <Controls\Dialog.mqh>
#include <ChartObjects\ChartObjectsBmpControls.mqh>
class myClass : public CAppDialog{
private:
    CEdit                 m_edit;
    CChartObjectBmpLabel   m_pic;
protected:  
public:
           void      myClass();
           void      ~myClass();    
           virtual void initEdit();  
           virtual void initPics(); 
           virtual void show(long c,int subwin);    
};
//+------------------------------------------------------------------+
myClass::myClass(){}
//+------------------------------------------------------------------+
myClass::~myClass(){}
//+------------------------------------------------------------------+
myClass::initEdit(){
   m_edit.Create(m_chart_id, "Eb_" , m_subwin, 1, 25, 25 ,50); 
   m_edit.Text("20"); 
   m_edit.ReadOnly(TRUE);
   m_edit.TextAlign(ALIGN_CENTER);     
   Add(m_edit); 
}
//+------------------------------------------------------------------+
myClass::initPics(){
   m_pic.Create(m_chart_id,"2",m_subwin,0,0);
   m_pic.Corner(CORNER_LEFT_UPPER);
   m_pic.X_Distance(30);
   m_pic.Y_Distance(40);
   m_pic.BmpFileOn("sun.bmp");
   //Add(m_pic);
   
}
//+------------------------------------------------------------------+
myClass::show(long c,int subwin){
 this.Create(c, "monitor", subwin, 0, 0, 200, 200);
    this.initEdit();
    this.initPics();
}
//+------------------------------------------------------------------+
myClass myMonitor;
//+------------------------------------------------------------------+
int OnInit(){
   myMonitor.show(ChartID(),0);
   return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,const int prev_calculated,const datetime &time[],const double &open[],const double &high[],const double &low[],const double &close[],const long &tick_volume[],const long &volume[],const int &spread[]){
   return(rates_total);
}
//+------------------------------------------------------------------+
void OnChartEvent(const int id,const long &lparam,const double &dparam,const string &sparam){
   myMonitor.OnEvent(id,lparam,dparam,sparam);
}
//+------------------------------------------------------------------+

Add(m_edit);