PdfAcroFormVisualField.ReadOnly Property

Gets or sets whether the interactive form field allows edit operations.

Namespace: DevExpress.Pdf

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

NuGet Package: DevExpress.Pdf.Core

Declaration

C#

public bool ReadOnly { get; set; }

VB.NET

Public Property [ReadOnly] As Boolean

Property Value

Type	Description
Boolean	true, if end-users cannot modify the form field’s value; otherwise, false.

Remarks

The code sample below creates a locked text box field:

C#

using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor())
{
    pdfDocumentProcessor.LoadDocument("Documents//Invoice.pdf");

    // Create a text box field:
    PdfAcroFormTextBoxField textBox =
          new PdfAcroFormTextBoxField("text box", 1, new PdfRectangle(230, 690, 280, 710));

    // Specify text box text and appearance:
    textBox.Text = "Text Box";
    textBox.Appearance.BackgroundColor = new PdfRGBColor(0.8, 0.5, 0.3);
    textBox.Appearance.FontSize = 12;

    // Lock the field:
    textBox.ReadOnly = true;

    pdfDocumentProcessor.AddFormFields(textBox);
}

VB.NET

Using pdfDocumentProcessor As New PdfDocumentProcessor()
  pdfDocumentProcessor.LoadDocument("Documents//Invoice.pdf")

  ' Create a text box field:
  Dim textBox As New PdfAcroFormTextBoxField("text box", 1, New PdfRectangle(230, 690, 280, 710))

  ' Specify text box text and appearance:
  textBox.Text = "Text Box"
  textBox.Appearance.BackgroundColor = New PdfRGBColor(0.8, 0.5, 0.3)
  textBox.Appearance.FontSize = 12

  ' Lock the field:
  textBox.ReadOnly = True

  pdfDocumentProcessor.AddFormFields(textBox)
End Using