StringBuilder Constructor (String, Int32, Int32, Int32)

StringBuilder Constructor (String, Int32, Int32, Int32)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Initializes a new instance of the StringBuilder class from the specified substring and capacity.

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

Public Sub New ( _
	value As String, _
	startIndex As Integer, _
	length As Integer, _
	capacity As Integer _


Type: System.String
The string that contains the substring used to initialize the value of this instance. If value is Nothing, the new StringBuilder will contain the empty string (that is, it contains Empty).
Type: System.Int32
The position within value where the substring begins.
Type: System.Int32
The number of characters in the substring.
Type: System.Int32
The suggested starting size of the StringBuilder.


capacity is less than zero.


startIndex plus length is not a position within value.

If capacity is zero, the implementation-specific default capacity is used.

The following code example demonstrates how to call the StringBuilder constructor with the specified string.

Dim initialString As String = "Initial string for stringbuilder."
Dim startIndex As Integer = 0
Dim substringLength As Integer = 14
Dim capacity As Integer = 255
Dim stringBuilder As New StringBuilder(initialString, _
    startIndex, substringLength, capacity)

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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