阿狼的MT4编程外汇博客

//Determines how many of your previous comments are shown
extern int MaxCommentsToShow=25;
//An array to hold all of the comments
string allcomments[];
 
//+------------------------------------------------------------------+
//| Manage comments - Written by DMS                                           |
//+------------------------------------------------------------------+
void managecomments(string addcomment)
   {
   string tempcomments[];
   int commentscroll;
   string output;
   int CommentCount = ArrayRange(allcomments, 0);
   if(CommentCount<MaxCommentsToShow)
      {
      ArrayResize(tempcomments,CommentCount+1);
      ArrayCopy(tempcomments,allcomments,1,0,WHOLE_ARRAY);
      }
   else
      {
      ArrayResize(tempcomments,MaxCommentsToShow);
      ArrayCopy(tempcomments,allcomments,1,0,MaxCommentsToShow-1);
      }   
   tempcomments[0]=addcomment;
   CommentCount = ArrayRange(tempcomments, 0);
   ArrayResize(allcomments,CommentCount);
   ArrayCopy(allcomments,tempcomments,0,0,CommentCount);
 
   for(commentscroll=0;commentscroll<CommentCount;commentscroll++)
      {
      output = output + allcomments[commentscroll] +"\n";
      }    
   Comment(output);
   }

managecomments("show this on my chart!");