Finds the first occurance of item.
Runs in O(N).
- item (T)
The index of the first occurance of item, or -1 if it cannot be found.
This method counts as a read access and may be called concurrently to other read accesses.
Assembly: ICSharpCode.AvalonEdit (Module: ICSharpCode.AvalonEdit.dll) Version: 5.0.0.4238