Windows Dev Center

StringBuilder.Append Method (Char)

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

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

public StringBuilder Append(
	char value
)

Parameters

value
Type: System.Char
The Unicode character to append.

Return Value

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

ExceptionCondition
ArgumentOutOfRangeException

Enlarging the value of this instance would exceed its maximum capacity.

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.


string str = "Characters in a string.";
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (var ch in str)
   sb.Append(" '").Append(ch).Append("' ");

outputBlock.Text += "Characters in the string:" + Environment.NewLine;
outputBlock.Text += String.Format("  {0}", sb) + Environment.NewLine;
// The example displays the following output:
//    Characters in the string:
//       'C'  'h'  'a'  'r'  'a'  'c'  't'  'e'  'r'  's'  ' '  'i'  'n'  ' '  'a'  ' '  's'  't' 'r'  'i'  'n'  'g'  '.'      


The capacity of this instance is adjusted as needed.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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