StringCollection class is a new addition to the .NET Framework class library that represents a collection of strings. StringCollection class is defined in the System.Collections.Specialized namespace.
StringCollection.Contains(String) method is used to check whether the specified string is in the StringCollection or not.
public bool Contains (string value);
Here, value is the string to locate in the StringCollection. The value can be null.
Return Value: This method returns true if value is found in the StringCollection, otherwise it returns false.
- The Contains method can confirm the existence of a string before performing further operations.
- This method performs a linear search, therefore, this method is an O(n) operation, where n is Count.
Below programs illustrate the use of StringCollection.Contains(String) Method:
Example 1 :
- C# | Check if the StringCollection is read-only
- C# | Add a string to the end of the StringCollection
- C# | Check if two StringCollection objects are equal
- C# | Check if StringCollection is synchronized (thread safe)
- C# | Copy the elements of a string array to the end of the StringCollection
- How to create a StringCollection in C#
- C# | StringCollection Class
- C# | Get or Set at specified index in StringCollection
- C# | Get an enumerator that iterates through StringCollection
- C# | Remove the first occurrence from the StringCollection
- C# | Insert at the specified index in StringCollection
- C# | Get the number of strings in StringCollection
- C# | Remove from the specified index of the StringCollection
- C# | Remove all the strings from the StringCollection
- C# | Index of first occurrence in StringCollection
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