IList<T>.IndexOf(T) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Determines the index of a specific item in the IList<T>.
public:
int IndexOf(T item);
public int IndexOf (T item);
abstract member IndexOf : 'T -> int
Public Function IndexOf (item As T) As Integer
Parameters
- item
- T
The object to locate in the IList<T>.
Returns
The index of item
if found in the list; otherwise, -1.
Remarks
If an object occurs multiple times in the list, the IndexOf method always returns the first instance found.
Applies to
意見反應
https://aka.ms/ContentUserFeedback。
即將登場:在 2024 年,我們將逐步淘汰 GitHub 問題作為內容的意見反應機制,並將它取代為新的意見反應系統。 如需詳細資訊,請參閱:提交並檢視相關的意見反應