Gets the index of the specified display text value in the collection.
Parameters
- item
- The display text value to find in the collection.
Return Value
The 0-based index of the specified display text value in the collection or -1 if the item is not in the collection.
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+