AddValidate Method—ArcGIS Pro

Add custom validation functions for this attribute. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public void AddValidate( 
   Func<IEnumerable<Attribute.ValidationError>> f
)

Public Sub AddValidate( _
   ByVal f As Func(Of IEnumerable(Of Attribute.ValidationError)) _
)

Parameters

f: an anonymous method

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.

Example

var insp = new Inspector();
insp.LoadSchema(featLayer);
var attrib = insp.Where(a => a.FieldName == "Mineral").First();

attrib.AddValidate(() =>
{
  if (attrib.CurrentValue.ToString() == "Salt")
    return Enumerable.Empty<ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError>();
  else return new[] { ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError.Create("Error", ArcGIS.Desktop.Editing.Attributes.Severity.Low) };
});

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

Reference

Attribute Class
Attribute Members