GuidGenerationMode Enum

Contains values that specify how XPO generates new globally unique identifier values.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v19.1.dll

Declaration

C#

public enum GuidGenerationMode

VB.NET

Public Enum GuidGenerationMode

Members

Name	Description
FrameworkDefault	The Guid.NewGuid method is used.
UuidCreateSequential	The UuidCreateSequential function is used.
Custom	A custom algorithm specified by the XpoDefault.CustomGuidGenerationHandler delegate is used.

Remarks

You can pass these enumeration values to the XpoDefault.GuidGenerationMode property.

To use the Custom mode, assign a custom Func<Guid> delegate to the XpoDefault.CustomGuidGenerationHandler field:

C#

using DevExpress.Xpo;
// ...
Func<Guid> myCustomGuidGenerationAlgorithm = () => { return Guid.NewGuid(); };
XpoDefault.CustomGuidGenerationHandler = myCustomGuidGenerationAlgorithm;
XpoDefault.GuidGenerationMode = GuidGenerationMode.Custom;

VB.NET

Imports DevExpress.Xpo
' ...
Private myCustomGuidGenerationAlgorithm As Func(Of Guid) = Function() Guid.NewGuid()
XpoDefault.CustomGuidGenerationHandler = myCustomGuidGenerationAlgorithm
XpoDefault.GuidGenerationMode = GuidGenerationMode.Custom