This documentation is archived and is not being maintained.
String::Substring Method (Int32, Int32)
Visual Studio 2010
Retrieves a substring from this instance. The substring starts at a specified character position and has a specified length.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- startIndex
- Type: System::Int32
The zero-based starting character position of a substring in this instance.
- length
- Type: System::Int32
The number of characters in the substring.
Return Value
Type: System::StringA string that is equivalent to the substring of length length that begins at startIndex in this instance, or Empty if startIndex is equal to the length of this instance and length is zero.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | startIndex plus length indicates a position not within this instance. -or- startIndex or length is less than zero. |
The following example uses the Substring method in three cases to isolate substrings within a string. In two cases the substrings are used in comparisons, and in the third case an exception is thrown because invalid parameters are specified.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Show:
Note