to_string() [2/3]

string xtd::guid::to_string

(

const string &

format

)

const

Returns a string representation of the value of this xtd::guid instance, according to the provided format specifier.

Parameters

format

A single format specifier that indicates how to format the value of this xtd::guid. The format parameter can be "N", "D", "B", "P", or "X". If format is null or an empty string (""), "D" is used.

Returns

The value of this xtd::guid, represented as a series of lowercase hexadecimal digits in the specified format.

Exceptions

xtd::format_exception

The value of format is not null, an empty string (""), "N", "D", "B", "P", or "X".

Remarks

The following table shows the accepted format specifiers for the format parameter. "0" represents a digit; hyphens ("-"), braces ("{", "}"), and parentheses ("(", ")") appear as shown.

Specifier	Format of return value
N	32 digits:
	00000000000000000000000000000000
D	32 digits separated by hyphens:
	00000000-0000-0000-0000-000000000000
B	32 digits separated by hyphens, enclosed in braces:
	{00000000-0000-0000-0000-000000000000}
P	32 digits separated by hyphens, enclosed in parentheses:
	(00000000-0000-0000-0000-000000000000)
X	Four hexadecimal values enclosed in braces, where the fourth value is a subset of eight hexadecimal values that is also enclosed in braces:
	{0x00000000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}