PdfAcroFormValueFormat.KeystrokeScript Property

Gets or sets the JavaScript to be performed when the user modifies a character in a. This action may check the added text for validity and reject or modify it.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v23.2.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

C#

public string KeystrokeScript { get; set; }

VB.NET

Public Property KeystrokeScript As String

Property Value

Type	Description
String	The keystroke JavaScript. For JS API reference, use JavaScript for Acrobat API Reference

Remarks

The code sample below shows how create a text box and specify the value format using JavaScript:

C#

var scriptBox = 
new PdfAcroFormTextBoxField("script", 1, new PdfRectangle(10, 170, 100, 200));
scriptBox.ValueFormat = new PdfAcroFormValueFormat();

//Specify a script that allows you to enter only numbers
//in the "x-x-x" format:
scriptBox.ValueFormat.FormatScript = "if (event.value != \"\") {" +
    "var value = event.value;    " +
    "event.value = \"\";    " +
    "for(var i = 0; i<value.length - 1; i++)" +
    "   event.value += value.charAt(i) + \"-\";" +
    "event.value += value.charAt(value.length - 1);}";
scriptBox.ValueFormat.KeystrokeScript = "var re = /^[0-9]+$/;" +
    "if (event.value != \"\") {" +
    "   event.rc = re.test(event.value);" +
    "}";

VB.NET

Dim scriptBox = 
New PdfAcroFormTextBoxField("script", 1, New PdfRectangle(10, 170, 100, 200))
scriptBox.ValueFormat = New PdfAcroFormValueFormat()
'Specify a script that allows you to enter only numbers
'in the "x-x-x" format:
scriptBox.ValueFormat.FormatScript = "if (event.value != """") {" & "var value = event.value;    " & "event.value = """";    " & "for(var i = 0; i<value.length - 1; i++)" & "   event.value += value.charAt(i) + ""-"";" & "event.value += value.charAt(value.length - 1);}"
scriptBox.ValueFormat.KeystrokeScript = "var re = /^[0-9]+$/;" & "if (event.value != """") {" & "   event.rc = re.test