Array außerhalb des Bereichs MQL4
int arr[];
ArrayResize(arr,1);
arr[0] = 5;
OR
int arr[] = {1,2,3,4,5};
Smiling Shrew
int arr[];
ArrayResize(arr,1);
arr[0] = 5;
OR
int arr[] = {1,2,3,4,5};