list class : IndexOfByRef(class) method
Description
It returns an index of the first child that matches as a reference.
Syntax
listInstance.IndexOfByRef(class search)
Arguments
| Class | Name | Description |
| class | search | Instance to search. |
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); // The result (index) is 0. |
Notes
Starts the searching from the top of the list.
Returns 0 or more if the argument exists in the list, otherwise returns -1.
This method compare equivalence as references. Please note that do not compare equivalence as value.
Links for reference
None