IdnMapping::GetUnicode Method (String^, Int32)


Decodes a substring of one or more domain name labels, encoded according to the IDNA standard, to a string of Unicode characters.

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

String^ GetUnicode(
	String^ ascii,
	int index


Type: System::String^

The string to decode, which consists of one or more labels in the US-ASCII character range (U+0020 to U+007E) encoded according to the IDNA standard.

Type: System::Int32

A zero-based offset into ascii that specifies the start of the substring to decode. The decoding operation continues to the end of the ascii string.

Return Value

Type: System::String^

The Unicode equivalent of the IDNA substring specified by the ascii and index parameters.

Exception Condition

ascii is null.


index is less than zero.


index is greater than the length of ascii.


ascii is invalid based on the AllowUnassigned and UseStd3AsciiRules properties, and the IDNA standard.

For more information about domain names, labels, and label separators, see the remarks for the IdnMapping::GetAscii(String^, Int32, Int32) method.

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
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