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StringBuilder.Append Method (Char, Int32)

Updated: January 2011

Appends a specified number of copies of the string representation of a Unicode character to the end of this instance.

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

public StringBuilder Append(
	char value,
	int repeatCount
)

Parameters

value
Type: System.Char

The character to append.

repeatCount
Type: System.Int32

The number of times to append value.

Return Value

Type: System.Text.StringBuilder
A reference to this instance after the append operation has completed.

ExceptionCondition
ArgumentOutOfRangeException

repeatCount is less than zero.

-or-

Enlarging the value of this instance would exceed MaxCapacity.

OutOfMemoryException

Out of memory.

The Append method modifies the existing instance of this class; it does not return a new class instance. Because of this, you can call a method or property on the existing reference and you do not have to assign the return value to a StringBuilder object, as the following example illustrates.

decimal value = 1346.19m;
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append('*', 5).AppendFormat("{0:C2}", value).Append('*', 5);
Console.WriteLine(sb);
// The example displays the following output: 
//       *****$1,346.19*****

The capacity of this instance is adjusted as needed.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

Date

History

Reason

January 2011

Expanded the Remarks section and removed the example.

Customer feedback.

Community Additions

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