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How to: Create Strings Using a StringBuilder in Visual Basic

This example constructs a long string from many smaller strings using the StringBuilder class. The StringBuilder class is more efficient than the &= operator for concatenating many strings.

Example

The following example creates an instance of the StringBuilder class, appends 1,000 strings to that instance, and then returns its string representation.

Private Function StringBuilderTest() As String 
    Dim builder As New System.Text.StringBuilder
    For i As Integer = 1 To 1000
        builder.Append("Step " & i & vbCrLf)
    Next 
    Return builder.ToString
End Function

See Also

Concepts

Using the StringBuilder Class

Creating New Strings

Strings Sample

Reference

&= Operator (Visual Basic)

Other Resources

Strings in Visual Basic

Manipulating Strings

Building Strings in Visual Basic