Articolo
11/18/2011

Guid.ToString Method (String)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Returns a String representation of the value of this Guid instance, according to the provided format specifier.

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

Syntax

'Declaration
Public Function ToString ( _
    format As String _
) As String

public string ToString(
    string format
)

Parameters

format
Type: System.String
A single format specifier that indicates how to format the value of this Guid. The format parameter can be "N", "D", "B", or "P". If format is nulla null reference (Nothing in Visual Basic) or the empty string (""), "D" is used.

Return Value

Type: System.String
The value of this Guid, represented as a series of lowercase hexadecimal digits in the specified format.

Exceptions

Exception	Condition
FormatException	The value of format is not nulla null reference (Nothing in Visual Basic), the empty string (""), "N", "D", "B", or "P".

Remarks

The format parameter can contain the following format specifiers. In the table that follows, all digits in the return value are hexadecimal. Each character 'x' represents a hexadecimal digit; each hyphen ('-'), bracket ('{', '}'), and parenthesis ('(', ')') appears as shown.

Specifier	Format of Return Value
N	32 digits: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
D	32 digits separated by hyphens: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
B	32 digits separated by hyphens, enclosed in brackets: {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
P	32 digits separated by hyphens, enclosed in parentheses: (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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