PdfTextFormField.Multiline Property

Gets or sets whether the text field can contain multiple lines of text.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v25.1.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

C#

public bool Multiline { get; set; }

VB.NET

Public Property Multiline As Boolean

Property Value

Type	Description
Boolean	true if the text box field can contain multiple lines of text; otherwise, false.

Remarks

This property has no effect if the text field type is Comb.

The code sample below retrieves the text form field by name and changes its properties:

C#

using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor())
{
    pdfDocumentProcessor.LoadDocument("FormDemo.pdf");
    ChangeFormFields(pdfDocumentProcessor);
    pdfDocumentProcessor.SaveDocument("FormDemo.pdf");
    Process.Start(new ProcessStartInfo("FormDemo.pdf")
       { UseShellExecute = true });
}


  private static void ChangeFormFields(PdfDocumentProcessor pdfDocumentProcessor)
  {
      PdfInteractiveForm acroForm = pdfDocumentProcessor.Document.AcroForm;

      //Change text field properties:
      PdfTextFormField addressFormField = (PdfTextFormField)acroForm.GetFormField("Address");
      addressFormField.Multiline = false;
      addressFormField.InputType = PdfTextFieldInputType.PlainText;
  }

VB.NET

Using pdfDocumentProcessor As New PdfDocumentProcessor()
  pdfDocumentProcessor.LoadDocument("FormDemo.pdf")
  ChangeFormFields(pdfDocumentProcessor)
  pdfDocumentProcessor.SaveDocument("FormDemo.pdf")
  Process.Start(New ProcessStartInfo("FormDemo.pdf") With {.UseShellExecute = True})
End Using


  private static void ChangeFormFields(PdfDocumentProcessor pdfDocumentProcessor)
    Dim acroForm As PdfInteractiveForm = pdfDocumentProcessor.Document.AcroForm

    'Change text field properties:
    Dim addressFormField As PdfTextFormField = CType(acroForm.GetFormField("Address"), PdfTextFormField)
    addressFormField.Multiline = False
    addressFormField.InputType = PdfTextFieldInputType.PlainText

    End Sub