Guid.NewGuid Guid.NewGuid Guid.NewGuid Guid.NewGuid Method

Definition

Initializes a new instance of the Guid structure.

public:
 static Guid NewGuid();
public static Guid NewGuid ();
static member NewGuid : unit -> Guid
Public Shared Function NewGuid () As Guid

Returns

A new GUID object.

Examples

The following code example creates and displays the values of two Guid objects.

// This code example demonstrates the Guid.NewGuid() method.

using System;

class Sample
{
    public static void Main()
    {
        Guid g;
        // Create and display the value of two GUIDs.
        g = Guid.NewGuid();
        Console.WriteLine(g);
        Console.WriteLine(Guid.NewGuid());
    }
}

/*
This code example produces the following results:

0f8fad5b-d9cb-469f-a165-70867728950e
7c9e6679-7425-40de-944b-e07fc1f90ae7

*/
' This code example demonstrates the Guid.NewGuid() method.
Imports System

Class Sample
    Public Shared Sub Main()
        Dim g As Guid
        ' Create and display the value of two GUIDs.
        g = Guid.NewGuid()
        Console.WriteLine(g)
        Console.WriteLine(Guid.NewGuid())
    End Sub 'Main
End Class 'Sample
'
'This code example produces the following results:
'
'0f8fad5b-d9cb-469f-a165-70867728950e
'7c9e6679-7425-40de-944b-e07fc1f90ae7
'

Remarks

This is a convenient static method that you can call to get a new Guid. The method wraps a call to the Windows CoCreateGuid function. The returned Guid is guaranteed to not equal Guid.Empty.

Applies to