Guid.ToString Method (String, IFormatProvider)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Returns a String representation of the value of this instance of the Guid class, according to the provided format specifier and culture-specific format information.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
Public Function ToString ( _
format As String, _
provider As IFormatProvider _
) As String
public string ToString(
string format,
IFormatProvider provider
)
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 nullNothingnullptra null reference (Nothing in Visual Basic) or the empty string (""), "D" is used.
- provider
Type: System..::.IFormatProvider
(Reserved) An IFormatProvider reference that supplies culture-specific formatting services.
Return Value
Type: System..::.String
The value of this Guid, represented as a series of lowercase hexadecimal digits in the specified format.
Implements
IFormattable..::.ToString(String, IFormatProvider)
Exceptions
| Exception | Condition |
|---|---|
| FormatException | The value of format is not nullNothingnullptra 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) |
The provider parameter is reserved for future use and does not contribute to the execution of this method. A null reference can be coded for this parameter.
Version Information
Windows Phone OS
Supported in: 8.1, 8.0, 7.1, 7.0
Platforms
Windows Phone