GetPrevNode
GetPrevNode
Gets the previous element of the list.
CObject* GetPrevNode()Return Value
Pointer to the previous element - successful, NULL - cannot get a pointer.
Example:
//--- example for CList::GetPrevNode()
#include <Arrays\List.mqh>
//---
void OnStart()
{
CList *list=new CList;
//---
if(list==NULL)
{
printf("Object create error");
return;
}
//--- add list elements
//--- . . .
CObject *object=list.GetPrevNode();
if(object==NULL)
{
printf("Get node error");
delete list;
return;
}
//--- use element
//--- . . .
//--- do not delete element
//--- delete list
delete list;
}Last updated on