Update
Update
Changes the element at the specified array position.
bool Update(
int pos, // position
CObject* element // value
)Parameters
- pos
[in] Position of the element in the array to change
- element
[in] New value of the element
Return Value
true - successful, false - cannot change the element.
Note
The element will not change if an invalid pointer (for example, NULL) is passed as a parameter. If the memory management is enabled, the memory of a replaced element is deallocated.
Example:
//--- example for CArrayObj::Update(int,CObject*)
#include <Arrays\ArrayObj.mqh>
//---
void OnStart()
{
CArrayObj *array=new CArrayObj;
//---
if(array==NULL)
{
printf("Object create error");
return;
}
//--- add arrays elements
//--- . . .
//--- update element
if(!array.Update(0,new CObject))
{
printf("Update error");
delete array;
return;
}
//--- delete array
delete array;
}Last updated on