86 lines
2.2 KiB
MQL5
86 lines
2.2 KiB
MQL5
//+------------------------------------------------------------------+
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//| My_Object_Test.mq5 |
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//| Eduardo Zucarato |
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//| zucarato@gmail.com |
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//+------------------------------------------------------------------+
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#property copyright "Eduardo Zucarato"
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#property link "zucarato@gmail.com"
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#property version "1.00"
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//--- example for CObject::Prev()
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#include <Object.mqh>
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class CObjectTest : public CObject
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{
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private:
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static *CObjectTest last_object;
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public:
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CObjectTest() { last_object=NULL; } //Firt object must use this constructo
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CObjectTest( CObjectTest *the_last ) // Next object must use this constructo
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string test_text;
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};
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//+------------------------------------------------------------------+
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//| Parametric constructor |
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//+------------------------------------------------------------------+
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CObjectTest :: CObjectTest (CObjectTest *the_last)
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{
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}
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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//---
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CObjectTest *my_test, *my_first;
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my_first = my_test = new CObjectTest;
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my_test.test_text = "First instance text";
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Print("my_first.test_text = ",my_first.test_text);
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Print("my_test.test_text = ",my_test.test_text);
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Print("End of test 1");
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my_test = new CObjectTest;
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my_test.test_text = "Second instance text";
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Print("my_first.test_text = ",my_first.test_text);
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Print("my_test.test_text = ",my_test.test_text);
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Print("End of test 2");
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//CObjectTest my_test2 = my_test.Prev();
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my_test = my_test.Prev();
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Print("my_first.test_text = ",my_first.test_text);
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Print("my_test.test_text = ",my_test.test_text);
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Print("End of test 3");
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delete my_test;
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delete my_first;
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}
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//+------------------------------------------------------------------+
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