ValidateAction Property

Gets or sets the JavaScript action to be executed for validating the field value.

Syntax

'Declaration
 
Public Property ValidateAction As PDFJavaScriptAction

'Usage
 
Dim instance As PDFField
Dim value As PDFJavaScriptAction
 
instance.ValidateAction = value
 
value = instance.ValidateAction

public PDFJavaScriptAction ValidateAction {get; set;}

A O2S.Components.PDFView4NET.Actions.PDFJavaScriptAction object specifying the action to be executed for validating the field value.

Remarks

This property specifies a JavaScript action to be performed when the field’s value is changed. This action can check the new value for validity.
This action has no meaning for PDFPushButtonField, PDFCheckBoxField, PDFRadioButtonListField and PDFListBoxField fields.

Requirements

Target Platforms: Windows 7, Windows 10, Windows 11, Windows Server 2022, Windows Server 2025