StringBuilder Constructor (String, Int32)


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Initializes a new instance of the StringBuilder class using the specified string and capacity.

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

Public Sub New (
	value As String,
	capacity As Integer


Type: System.String

The string used to initialize the value of the instance. If value is null, the new StringBuilder will contain the empty string (that is, it contains Empty).

Type: System.Int32

The suggested starting size of the StringBuilder.

Exception Condition

capacity is less than zero.

The capacity parameter defines the maximum number of characters that can be stored in the memory allocated by the current instance. Its value is assigned to the Capacity property. If the number of characters to be stored in the current instance exceeds this capacity value, the StringBuilder object allocates additional memory to store them.

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

The following example demonstrates how to call the StringBuilder constructor with an initial string and a specified capacity.

Dim initialString As String = "Initial string. "
Dim capacity As Integer = 255
Dim stringBuilder As New StringBuilder(initialString, capacity)

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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