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- Programmierung MQL4 (http://www.expert-advisor.com/forum/forumdisplay.php?f=220)

- - Button als Schalter? (http://www.expert-advisor.com/forum/showthread.php?t=5262)

Button als Schalter?

Hallo liebe Leute,
hoffentlich kann mir Jemand helfen.
KANN man einen, im EA programmierten, Button auch als Schalter nutzen?
Brächte so einen Schalter zum An und Abschalten eines Traillingstops.

Ich denke mein Hauptproblem ist, dass "void OnChartEvent" keinen return-Wert zulässt was ja nichts ungewöhnliches ist.

bei mir siehts bis jetzt so aus:

PHP-Code:


		
			
bool ANAUS;

 

int init(){

   ObjectCreate(0,"Trail",OBJ_BUTTON,0,0,0);  

   ObjectSetInteger(0,"Trail",OBJPROP_XDISTANCE,10); 

   ObjectSetInteger(0,"Trail",OBJPROP_YDISTANCE,70); 

   ObjectSetInteger(0,"Trail",OBJPROP_XSIZE,100); 

   ObjectSetInteger(0,"Trail",OBJPROP_YSIZE,50); 

   ObjectSetString (0,"Trail",OBJPROP_TEXT,"TRAILING"); 

   ObjectSetString (0,"Trail",OBJPROP_FONT,"Arial"); 

   ObjectSetInteger(0,"Trail",OBJPROP_FONTSIZE,10);  

   ObjectSetInteger(0,"Trail",OBJPROP_ALIGN,0);  

   ObjectSetInteger(0,"Trail",OBJPROP_CORNER,CORNER_LEFT_UPPER); 

   ObjectSetInteger(0,"Trail",OBJPROP_COLOR,clrRed); 

   ObjectSetInteger(0,"Trail",OBJPROP_BGCOLOR,clrGray); 

   ObjectSetInteger(0,"Trail",OBJPROP_BORDER_COLOR,clrBlue); 

return(0);

}



int start(){

if(ANAUS=true)

   {

   Trailing();

   }

return(0);

}

  

void OnChartEvent(const int    id,

                  const long   &lparam,

                  const double &dparam,

                  const string &sparam)

{

  if(id==CHARTEVENT_OBJECT_CLICK && sparam=="Trail")

      {

      bool selected=ObjectGetInteger(0,"Trail",OBJPROP_STATE);

      if(!selected) ANAUS=false;

      if(selected)ANAUS=true;

      }

}

Habs selber rausgefunden... wers brauchen kann oder Verbesserungsvorschläge hat, immer her damit.

PHP-Code:


		
			
bool TRAIL=true;
//______________________________________________________________________________________________________________________________
int init(){
   ObjectCreate(0,"Trail",OBJ_BUTTON,0,0,0);  
   ObjectSetInteger(0,"Trail",OBJPROP_XDISTANCE,10); 
   ObjectSetInteger(0,"Trail",OBJPROP_YDISTANCE,70); 
   ObjectSetInteger(0,"Trail",OBJPROP_XSIZE,100); 
   ObjectSetInteger(0,"Trail",OBJPROP_YSIZE,50); 
   ObjectSetString (0,"Trail",OBJPROP_TEXT,"Trailing ON"); 
   ObjectSetString (0,"Trail",OBJPROP_FONT,"Arial"); 
   ObjectSetInteger(0,"Trail",OBJPROP_FONTSIZE,10);  
   ObjectSetInteger(0,"Trail",OBJPROP_ALIGN,0);  
   ObjectSetInteger(0,"Trail",OBJPROP_CORNER,CORNER_LEFT_UPPER); 
   ObjectSetInteger(0,"Trail",OBJPROP_COLOR,clrRed); 
   ObjectSetInteger(0,"Trail",OBJPROP_BGCOLOR,clrBlue); 
   ObjectSetInteger(0,"Trail",OBJPROP_BORDER_COLOR,clrBlue); 
return(0);
}
//______________________________________________________________________________________________________________________________
int start(){
if(TRAIL==true) Print("True");
if(TRAIL==false)Print("False");
return(0);
}
//______________________________________________________________________________________________________________________________
void OnDeinit(const int reason){
   ObjectDelete("Trail"); }
//______________________________________________________________________________________________________________________________
void OnChartEvent(const int    id,
                  const long   &lparam,
                  const double &dparam,
                  const string &sparam)
{
   if(id==CHARTEVENT_OBJECT_CLICK && sparam=="Trail")
      {
      bool select=ObjectGetInteger(0,"Trail",OBJPROP_STATE);
      if( select)
      {
      TRAIL=true;
      ObjectSetInteger(0,"Trail",OBJPROP_BGCOLOR,clrBlue);
      ObjectSetString (0,"Trail",OBJPROP_TEXT,"Trailing ON"); 
      }
      if(!select)
      {
      TRAIL=false;
      ObjectSetInteger(0,"Trail",OBJPROP_BGCOLOR,clrGreen);
      ObjectSetString (0,"Trail",OBJPROP_TEXT,"Trailing OFF"); 
      }
      }
}