Class PdfFormFieldCollection

Represents a collection of form fields.

Inheritance
System.Object
PdfCollection
PdfFieldCollection
PdfFormFieldCollection
Implements
System.Collections.IEnumerable
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Syncfusion.Pdf.Interactive
Assembly: Syncfusion.Pdf.Base.dll
Syntax
public class PdfFormFieldCollection : PdfFieldCollection, IEnumerable, IPdfWrapper
Remarks

This PdfFormFieldCollection class is used to get the collection of form fields. Please refer the UG docuemntation link https://help.syncfusion.com/file-formats/pdf/working-with-forms#adding-the-combo-box-field for more details.

Examples
//Create a new PDf document
PdfDocument document = new PdfDocument();
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
PdfFont font = new PdfStandardFont(PdfFontFamily.Courier, 12f);          
//Create a combo box
PdfComboBoxField positionComboBox = new PdfComboBoxField(page, "positionComboBox");
positionComboBox.Editable = true;
positionComboBox.Bounds = new RectangleF(100, 115, 200, 20);
positionComboBox.Font = font;
positionComboBox.Editable = true;
//Add it to document
document.Form.Fields.Add(positionComboBox);
PdfFieldCollection fieldCollection = document.Form.Fields;
// Flatten the form collection
for (int i = 0; i != fieldCollection.Count; i++)
{
 fieldCollection[i].Flatten = true;
}
document.Save("Form.pdf");
document.Close(true);
'Create a new PDf document
Dim document As New PdfDocument()
'Creates a new page and adds it as the last page of the document
Dim page As PdfPage = document.Pages.Add()
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Courier, 12F)
'Create a combo box
Dim positionComboBox As New PdfComboBoxField(page, "positionComboBox")
positionComboBox.Editable = True
positionComboBox.Bounds = New RectangleF(100, 115, 200, 20)
positionComboBox.Font = font
positionComboBox.Editable = True
'Add it to document
document.Form.Fields.Add(positionComboBox)
Dim fieldCollection As PdfFieldCollection = document.Form.Fields
' Flatten the form collection
Dim i As Integer = 0
While i != fieldCollection.Count
	fieldCollection(i).Flatten = True
	i += 1
End While
document.Save("Form.pdf")
document.Close(True)

Constructors

PdfFormFieldCollection()

Initializes a new instance of the PdfFormFieldCollection class.

Declaration
public PdfFormFieldCollection()
Examples
//Create a new PDf document
PdfDocument document = new PdfDocument();
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
PdfFont font = new PdfStandardFont(PdfFontFamily.Courier, 12f);          
//Create a combo box
PdfComboBoxField positionComboBox = new PdfComboBoxField(page, "positionComboBox");
positionComboBox.Editable = true;
positionComboBox.Bounds = new RectangleF(100, 115, 200, 20);
positionComboBox.Font = font;
positionComboBox.Editable = true;
//Add it to document
document.Form.Fields.Add(positionComboBox);
PdfFieldCollection fieldCollection = new PdfFormFieldCollection();
fieldCollection = document.Form.Fields;
// Flatten the form collection
for (int i = 0; i != fieldCollection.Count; i++)
{
 fieldCollection[i].Flatten = true;
}
document.Save("Form.pdf");
document.Close(true);
'Create a new PDf document
Dim document As New PdfDocument()
'Creates a new page and adds it as the last page of the document
Dim page As PdfPage = document.Pages.Add()
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Courier, 12F)
'Create a combo box
Dim positionComboBox As New PdfComboBoxField(page, "positionComboBox")
positionComboBox.Editable = True
positionComboBox.Bounds = New RectangleF(100, 115, 200, 20)
positionComboBox.Font = font
positionComboBox.Editable = True
'Add it to document
document.Form.Fields.Add(positionComboBox)
Dim fieldCollection As PdfFormFieldCollection = New PdfFormFieldCollection()
fieldCollection = document.Form.Fields
' Flatten the form collection
Dim i As Integer = 0
While i != fieldCollection.Count
	fieldCollection(i).Flatten = True
	i += 1
End While
document.Save("Form.pdf")
document.Close(True)
See Also

Methods

DoAdd(PdfField)

Adds a field to collection.

Declaration
protected override int DoAdd(PdfField field)
Parameters
Type Name Description
PdfField field

The field.
Returns
Type
System.Int32
Overrides

DoClear()

Clears the collection.

Declaration
protected override void DoClear()
Overrides

DoInsert(Int32, PdfField)

Inserts a filed into collection.

Declaration
protected override void DoInsert(int index, PdfField field)
Parameters
Type Name Description
System.Int32 index

The index.
PdfField field

The field.
Overrides

DoRemove(PdfField)

Removes the field from collection.

Declaration
protected override void DoRemove(PdfField field)
Parameters
Type Name Description
PdfField field

The field.
Overrides

DoRemoveAt(Int32)

Removes the field at the specified position.

Declaration
protected override void DoRemoveAt(int index)
Parameters
Type Name Description
System.Int32 index

The index.
Overrides

Implements

System.Collections.IEnumerable

Extension Methods

See Also