String.Length Property
Gets the number of characters in the current String object.
Assembly: mscorlib (in mscorlib.dll)
The Length property returns the number of Char objects in this instance, not the number of Unicode characters. The reason is that a Unicode character might be represented by more than one Char. Use the System.Globalization.StringInfo class to work with each Unicode character instead of each Char.
In some languages, such as C and C++, a null character indicates the end of a string. In the .NET Framework, a null character can be embedded in a string. When a string includes one or more null characters, they are included in the length of the total string. For example, in the following string, the substrings "abc" and "def" are separated by a null character. The Length property returns 7, which indicates that it includes the six alphabetic characters as well as the null character.
The following example demonstrates the Length property.
Class Sample Public Shared Sub Main() Dim str As String = "abcdefg" Console.WriteLine("1) The length of '{0}' is {1}", str, str.Length) Console.WriteLine("2) The length of '{0}' is {1}", "xyz", "xyz".Length) Dim length As Integer = str.Length Console.WriteLine("1) The length of '{0}' is {1}", str, length) End Sub 'Main End Class 'Sample ' 'This example displays the following output: ' 1) The length of 'abcdefg' is 7 ' 2) The length of 'xyz' is 3 ' 3) The length of 'abcdefg' is 7
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1