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.
A member of the TextAlignment enumeration. A new value of the text alignment mode to be used to display text in a form field.
Example





In This Topic
GdPicture14 Namespace / GdPicturePDF Class / SetFormFieldTextAlignment Method

SetFormFieldTextAlignment Method (GdPicturePDF)

In This Topic
Sets the justification, in other words the mode of the text alignment, used when displaying text in 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
'Declaration

 

Public Function SetFormFieldTextAlignment( _

   ByVal FieldId As Integer, _

   ByVal TextAlign As TextAlignment _

) As GdPictureStatus
public GdPictureStatus SetFormFieldTextAlignment( 

   int FieldId,

   TextAlignment TextAlign

)
public function SetFormFieldTextAlignment( 

    FieldId: Integer;

    TextAlign: TextAlignment

): GdPictureStatus; 
public function SetFormFieldTextAlignment( 

   FieldId : int,

   TextAlign : TextAlignment

) : GdPictureStatus;
public: GdPictureStatus SetFormFieldTextAlignment( 

   int FieldId,

   TextAlignment TextAlign

) 
public:

GdPictureStatus SetFormFieldTextAlignment( 

   int FieldId,

   TextAlignment TextAlign

) 

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.
TextAlign
A member of the TextAlignment enumeration. A new value of the text alignment mode to be used to display text in a 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.

Just to inform you that this property is only related to the form fields, which contains variable text, like text fields or scrollable list boxes.

Example
How to specify the text alignment for the newly added text form field.
Dim caption As String = "Example: SetFormFieldTextAlignment"

Dim gdpicturePDF As GdPicturePDF = New GdPicturePDF()

If (gdpicturePDF.NewPDF() = GdPictureStatus.OK) AndAlso

   (gdpicturePDF.NewPage(PdfPageSizes.PdfPageSizeA4) = GdPictureStatus.OK) Then

    gdpicturePDF.SetOrigin(PdfOrigin.PdfOriginTopLeft)

    gdpicturePDF.SetMeasurementUnit(PdfMeasurementUnit.PdfMeasurementUnitCentimeter)

    'Please always select the required page before adding a form field.

    If gdpicturePDF.SelectPage(1) = GdPictureStatus.OK Then

        Dim fontResName As String = gdpicturePDF.AddStandardFont(PdfStandardFont.PdfStandardFontHelvetica)

        If gdpicturePDF.GetStat() = GdPictureStatus.OK Then

            If (gdpicturePDF.SetTextSize(16) = GdPictureStatus.OK) AndAlso

               (gdpicturePDF.DrawText(fontResName, 1, 1, "Write your story here ...") = GdPictureStatus.OK) Then

                Dim formID As Integer = gdpicturePDF.AddTextFormField(1, 2, 19, 15, "TextField_Story", "", False, fontResName, 16, 165, 42, 42)

                If gdpicturePDF.GetStat() = GdPictureStatus.OK Then

                    If (gdpicturePDF.SetFormFieldBackgroundColor(formID, 173, 216, 230) = GdPictureStatus.OK) AndAlso

                       (gdpicturePDF.SetFormFieldBorderColor(formID, 0, 0, 139) = GdPictureStatus.OK) AndAlso

                       (gdpicturePDF.SetFormFieldTextAlignment(formID, TextAlignment.TextAlignmentCenter) = GdPictureStatus.OK) AndAlso

                       (gdpicturePDF.SetFormFieldMultiLine(formID, True) = GdPictureStatus.OK) Then

                        Dim message As String = "The text form field has been created."

                        If gdpicturePDF.SaveToFile("forms_textfield.pdf") = GdPictureStatus.OK Then

                            message = message + vbCrLf + "The file has been saved successfully."

                        Else

                            message = message + vbCrLf + "The file can't be saved. Status: " + gdpicturePDF.GetStat().ToString()

                        End If

                        MessageBox.Show(message, caption)

                    Else

                        MessageBox.Show("Setting form field properties has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)

                    End If

                Else

                    MessageBox.Show("The AddTextFormField() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)

                End If

            Else

                MessageBox.Show("The SetTextSize()/DrawText() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)

            End If

        Else

            MessageBox.Show("The AddStandardFont() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)

        End If

    Else

        MessageBox.Show("The SelectPage() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)

    End If

Else

    MessageBox.Show("The file can't be created.", caption)

End If

gdpicturePDF.Dispose()
string caption = "Example: SetFormFieldTextAlignment";

GdPicturePDF gdpicturePDF = new GdPicturePDF();

if ((gdpicturePDF.NewPDF() == GdPictureStatus.OK) &&

    (gdpicturePDF.NewPage(PdfPageSizes.PdfPageSizeA4) == GdPictureStatus.OK))

{

    gdpicturePDF.SetOrigin(PdfOrigin.PdfOriginTopLeft);

    gdpicturePDF.SetMeasurementUnit(PdfMeasurementUnit.PdfMeasurementUnitCentimeter);

    //Please always select the required page before adding a form field.

    if (gdpicturePDF.SelectPage(1) == GdPictureStatus.OK)

    {

        string fontResName = gdpicturePDF.AddStandardFont(PdfStandardFont.PdfStandardFontHelvetica);

        if (gdpicturePDF.GetStat() == GdPictureStatus.OK)

        {

            if ((gdpicturePDF.SetTextSize(16) == GdPictureStatus.OK) &&

                (gdpicturePDF.DrawText(fontResName, 1, 1, "Write your story here ...") == GdPictureStatus.OK))

            {

                int formID = gdpicturePDF.AddTextFormField(1, 2, 19, 15, "TextField_Story", "", false, fontResName, 16, 165, 42, 42);

                if (gdpicturePDF.GetStat() == GdPictureStatus.OK)

                {

                    if ((gdpicturePDF.SetFormFieldBackgroundColor(formID, 173, 216, 230) == GdPictureStatus.OK) &&

                        (gdpicturePDF.SetFormFieldBorderColor(formID, 0, 0, 139) == GdPictureStatus.OK) &&

                        (gdpicturePDF.SetFormFieldTextAlignment(formID, TextAlignment.TextAlignmentCenter) == GdPictureStatus.OK) &&

                        (gdpicturePDF.SetFormFieldMultiLine(formID, true) == GdPictureStatus.OK))

                    {

                        string message = "The text form field has been created.";

                        if (gdpicturePDF.SaveToFile("forms_textfield.pdf") == GdPictureStatus.OK)

                            message = message + "\nThe file has been saved successfully.";

                        else

                            message = message + "\nThe file can't be saved. Status: " + gdpicturePDF.GetStat().ToString();

                        MessageBox.Show(message, caption);

                    }

                    else

                        MessageBox.Show("Setting form field properties has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);

                }

                else

                    MessageBox.Show("The AddTextFormField() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);

            }

            else

                MessageBox.Show("The SetTextSize()/DrawText() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);

        }

        else

            MessageBox.Show("The AddStandardFont() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);

    }

    else

        MessageBox.Show("The SelectPage() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);

}

else

    MessageBox.Show("The file can't be created.", caption);

gdpicturePDF.Dispose();
See Also