52 lines
1.0 KiB
Markdown
52 lines
1.0 KiB
Markdown
# Prev
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Sets the pointer to the previous element in the list.
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```
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void Prev(
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CObject* object // Pointer to the previous element in the list
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)
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```
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Parameters
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object
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[in] New value of the pointer to the previous element in the list.
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Example:
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```
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//--- example for CObject::Prev(CObject*)
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#include <Object.mqh>
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//---
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void OnStart()
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{
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CObject *object_first,*object_second;
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//---
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object_first=new CObject;
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if(object_first==NULL)
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{
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printf("Object create error");
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return;
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}
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object_second=new CObject;
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if(object_second==NULL)
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{
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printf("Object create error");
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delete object_first;
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return;
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}
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//--- set interconnect
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object_first.Next(object_second);
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object_second.Prev(object_first);
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//--- use objects
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//--- ...
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//--- delete objects
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delete object_first;
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delete object_second;
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}
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```
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