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7 paź 2012 · I use the following extension method to yield all results: public static IEnumerable<int> AllIndexesOf(this string str, string searchstring) { int minIndex = str.IndexOf(searchstring); while (minIndex != -1) { yield return minIndex; minIndex = str.IndexOf(searchstring, minIndex + searchstring.Length); } }
21 wrz 2013 · The only way I know to find an index of List is int index = listEmployee.FindIndex( delegate(Employee findEmployee) { return findEmployee.Name.Equals(findName, StringComparison.Ordinal); });
A parameter specifies the type of search to use for the specified string. IndexOf(String, Int32, StringComparison) Reports the zero-based index of the first occurrence of the specified string in the current Stringobject.
Searches for the specified object and returns the zero-based index of the first occurrence within the range of elements in the List<T> that starts at the specified index and contains the specified number of elements. public: int IndexOf (T item, int index, int count);
Indexers in C# allow class or struct instances to be indexed like arrays. You can set or get the indexed value without specifying a type or instance member.
14 wrz 2022 · In this article, we are going to learn about Indexers in C#, how to declare them in a class, struct, or interface, and overload them. We’re also going to learn what the differences between indexers and properties are. To download the source code for this article, you can visit our GitHub repository. Let’s start.
You can use expression-bodied syntax for get and set from C# 7 onwards. Example: Indexer. classStringDataStore { privatestring[] strArr = newstring[10]; // internal data storagepublicstringthis[int index] { get => strArr [index]; set => strArr [index] = value; } } Try it.
