SetFormFieldTitle Method (GdPicturePDF)

In This Topic

Sets the title (the name) of a required form field, that is specified by its unique form field's identifier and it is related to the currently loaded PDF document.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Function SetFormFieldTitle( _
   ByVal FieldId As Integer, _
   ByVal Title As String _
) As GdPictureStatus

public GdPictureStatus SetFormFieldTitle( 
   int FieldId,
   string Title
)

public function SetFormFieldTitle( 
    FieldId: Integer;
    Title: String
): GdPictureStatus;

public function SetFormFieldTitle( 
   FieldId : int,
   Title : String
) : GdPictureStatus;

public: GdPictureStatus SetFormFieldTitle( 
   int FieldId,
   string* Title
)

public:
GdPictureStatus SetFormFieldTitle( 
   int FieldId,
   String^ Title
)

Parameters

FieldId: A unique form field identifier specifying a required form field object. You can obtain this identifier using methods like GetFormFieldId, GetFormFieldChildID or methods intended to add form fields.
Title: The new title (name) of the specified form field.

Return Value

A member of the GdPictureStatus enumeration. If the method has been successfully followed, then the return value is GdPictureStatus.OK.

We strongly recommend always checking this status first.

Remarks

This method is only allowed for use with non-encrypted documents.

Example

How to change the title (the name) of all form fields in the current document.

VB.NET
C#

Dim caption As String = "Example: SetFormFieldTitle"
Dim gdpicturePDF As GdPicturePDF = New GdPicturePDF()
If gdpicturePDF.LoadFromFile("forms.pdf", False) = GdPictureStatus.OK Then
    Dim count As Integer = gdpicturePDF.GetFormFieldsCount()
    If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
        Dim message As String = "", title As String = ""
        If count = 0 Then
            message = "This document does not contain any forms."
        Else
            Dim formID As Integer = 0
            For i As Integer = 0 To count - 1
                formID = gdpicturePDF.GetFormFieldId(i)
                If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
                    title = gdpicturePDF.GetFormFieldTitle(formID)
                    If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
                        title = i.ToString() + "_" + title
                        If gdpicturePDF.SetFormFieldTitle(formID, title) = GdPictureStatus.OK Then
                            message = message + i.ToString() + ": The title has been changed successfully." + vbCrLf
                        Else
                            message = message + i.ToString() + ": The SetFormFieldTitle() method has failed with the status: " + gdpicturePDF.GetStat().ToString() + vbCrLf
                        End If
                    Else
                        message = message + i.ToString() + ": The GetFormFieldTitle() method has failed with the status: " + gdpicturePDF.GetStat().ToString() + vbCrLf
                    End If
                Else
                    message = message + i.ToString() + ": The GetFormFieldId() method has failed with the status: " + gdpicturePDF.GetStat().ToString() + vbCrLf
                End If
            Next
            If gdpicturePDF.SaveToFile("forms_updated.pdf") = GdPictureStatus.OK Then
                message = message + "The file has been saved."
            Else
                message = message + "The file can't be saved. Status: " + gdpicturePDF.GetStat().ToString()
            End If
        End If
        MessageBox.Show(message, caption)
    Else
        MessageBox.Show("The GetFormFieldsCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)
    End If
Else
    MessageBox.Show("The file can't be loaded.", caption)
End If
gdpicturePDF.Dispose()

string caption = "Example: SetFormFieldTitle";
GdPicturePDF gdpicturePDF = new GdPicturePDF();
if (gdpicturePDF.LoadFromFile("forms.pdf", false) == GdPictureStatus.OK)
{
    int count = gdpicturePDF.GetFormFieldsCount();
    if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
    {
        string message = "", title = "";
        if (count == 0)
            message = "This document does not contain any forms.";
        else
        {
            int formID = 0;
            for (int i = 0; i < count; i++)
            {
                formID = gdpicturePDF.GetFormFieldId(i);
                if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
                {
                    title = gdpicturePDF.GetFormFieldTitle(formID);
                    if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
                    {
                        title = i.ToString() + "_" + title;
                        if (gdpicturePDF.SetFormFieldTitle(formID, title) == GdPictureStatus.OK)
                            message = message + i.ToString() + ": The title has been changed successfully.\n";
                        else
                            message = message + i.ToString() + ": The SetFormFieldTitle() method has failed with the status: " + gdpicturePDF.GetStat().ToString() + "\n";
                    }
                    else
                        message = message + i.ToString() + ": The GetFormFieldTitle() method has failed with the status: " + gdpicturePDF.GetStat().ToString() + "\n";
                }
                else
                    message = message + i.ToString() + ": The GetFormFieldId() method has failed with the status: " + gdpicturePDF.GetStat().ToString() + "\n";
            }
            if (gdpicturePDF.SaveToFile("forms_updated.pdf") == GdPictureStatus.OK)
                message = message + "The file has been saved.";
            else
                message = message + "The file can't be saved. Status: " + gdpicturePDF.GetStat().ToString();
        }
        MessageBox.Show(message, caption);
    }
    else
        MessageBox.Show("The GetFormFieldsCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);
}
else
    MessageBox.Show("The file can't be loaded.", caption);
gdpicturePDF.Dispose();

Reference

GdPicturePDF Class
GdPicturePDF Members
GetFormFieldTitle Method
GetFormFieldsCount Method
GetFormFieldId Method
GetFormFieldChildID Method
GetFormFieldType Method
GetFormFieldValue(Int32) Method