| Overload | Description |
|---|---|
| IndexOf(T) | Gets the index of the specified sort-able item in the collection. |
| IndexOf(SortCondition) | Gets the index of the specified sort condition in the collection. |
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2