Searches for the specified Object and returns the zero-based index of the first occurrence within the entire list.
Searches for the specified Object and returns the zero-based index of the first occurrence within the entire list.
public int IndexOf(int);
Searches for the specified Object and returns the zero-based index of the first occurrence within the section of the ArrayList that extends from the specified index to the last element.
public int IndexOf(int,int);
Searches for the specified Object and returns the zero-based index of the first occurrence within the section of the list that starts at the specified index and contains the specified number of elements.
public int IndexOf(int,int,int);