AddValidate Method—ArcGIS Pro

AddValidate Method

In This Topic

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

Syntax

Visual Basic (Declaration)
C#

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

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

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

Inspector.AddValidate

// Adds a custom validation rule to the "Mineral" field of the specified feature layer.
await QueuedTask.Run(() =>
{
  var insp = new Inspector();
  insp.LoadSchema(featureLayer);
  var attrib = insp.Where(a => a.FieldName == "Mineral").First();
  attrib.AddValidate(() =>
  {
    if (attrib.CurrentValue.ToString() == "Salt")
      return [];
    else return [ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError.Create("Error", Severity.Low)];
  });
});

Requirements

Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.0 or higher.

Reference

Attribute Class
Attribute Members

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