56 lines
2.3 KiB
MQL5
56 lines
2.3 KiB
MQL5
|
//+------------------------------------------------------------------+
|
||
|
|
//| ObjectCleanup1.mq5 |
|
||
|
|
//| Copyright 2021, MetaQuotes Ltd. |
|
||
|
|
//| https://www.mql5.com |
|
||
|
|
//| |
|
||
|
|
//| The script deletes all objects with specific name prefix. |
|
||
|
|
//+------------------------------------------------------------------+
|
||
|
|
#property script_show_inputs
|
||
|
|
|
||
|
|
input bool UseCustomDeleteAll = false;
|
||
|
|
|
||
|
|
#include "ObjectPrefix.mqh"
|
||
|
|
|
||
|
|
//+------------------------------------------------------------------+
|
||
|
|
//| Script program start function |
|
||
|
|
//+------------------------------------------------------------------+
|
||
|
|
void OnStart()
|
||
|
|
{
|
||
|
|
const int n = UseCustomDeleteAll ?
|
||
|
|
CustomDeleteAllObjects(0, ObjNamePrefix) :
|
||
|
|
ObjectsDeleteAll(0, ObjNamePrefix);
|
||
|
|
|
||
|
|
PrintFormat("%d objects deleted", n);
|
||
|
|
}
|
||
|
|
|
||
|
|
//+------------------------------------------------------------------+
|
||
|
|
//| Self-made equivalent of ObjectsDeleteAll |
|
||
|
|
//+------------------------------------------------------------------+
|
||
|
|
int CustomDeleteAllObjects(const long chart, const string prefix,
|
||
|
|
const int window = -1, const int type = -1)
|
||
|
|
{
|
||
|
|
int count = 0;
|
||
|
|
const int n = ObjectsTotal(chart, window, type);
|
||
|
|
|
||
|
|
// NB: loop objects backwards in the chart internal list
|
||
|
|
// to preserve numbering while deleting from the tail
|
||
|
|
for(int i = n - 1; i >= 0; --i)
|
||
|
|
{
|
||
|
|
const string name = ObjectName(chart, i, window, type);
|
||
|
|
|
||
|
|
// straightforward approach is not useful much...
|
||
|
|
if(StringLen(prefix) == 0 || StringFind(name, prefix) == 0)
|
||
|
|
// until we need to select objects by special properties,
|
||
|
|
// such as coordinates, color, anchor point, etc,
|
||
|
|
// which we don't know yet - here is just a clue (see ObjectCleanup2.mq5)
|
||
|
|
// && ObjectGetInteger(0, name, OBJPROP_COLOR) == clrRed
|
||
|
|
// && ObjectGetInteger(0, name, OBJPROP_ANCHOR) == ANCHOR_TOP)
|
||
|
|
{
|
||
|
|
count += ObjectDelete(chart, name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
ChartRedraw();
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
//+------------------------------------------------------------------+
|