StringBuilder.ToString Method (Int32, Int32)


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Converts the value of a substring of this instance to a String.

Namespace:   System.Text
Assembly:  mscorlib (in mscorlib.dll)

public string ToString(
	int startIndex,
	int length


Type: System.Int32

The starting position of the substring in this instance.

Type: System.Int32

The length of the substring.

Return Value

Type: System.String

A string whose value is the same as the specified substring of this instance.

Exception Condition

startIndex or length is less than zero.


The sum of startIndex and length is greater than the length of the current instance.

You must call the ToString method to convert the StringBuilder object to a String object before you can pass the string represented by the StringBuilder object to a method that has a String parameter or display it in the user interface.

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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