list class : IndexOfByRef(class,int) method
Description
It returns an index of the first child that matches as a reference.
Syntax
listIndex.IndexOfByRef(class search, int startPosition)
Arguments
| Class | Name | Description |
| class | search | Instance to search. |
| int | startPosition | Start position of the searching. |
Return value
| Class | Description |
| int | Index. |
Sample code
| 1: | list{string} stringList = new list{string}(); |
| 2: | string searchString = "a"; |
| 3: | stringList.Add(searchString); |
| 4: | stringList.Add("b"); |
| 5: | stringList.Add(searchString); |
| 6: | int index = stringList.IndexOfByRef(searchString, 1); // The result (index) is 2. |
Notes
This method searches from the specified position toward the end of the list.
Returns 0 or more if the first argument exists in the list, otherwise returns -1.
This method compare equivalence as references. Please note that do not compare equivalence as value.
UnknownException (ArgumentOutOfOfRangeException) is thrown if the second argument is less than zero or greater than or equal to the number of elements in the list.
Links for reference
None