Move and Remove Form Field
Move Form Field to a New Location in Existing PDF File
If you want to move a form field to a new location then you can use MoveField method of FormEditor class. You only need to provide the field name and new location of this field to the MoveField method. You also need to save the updated PDF file using Save method of FormEditor class. The following code snippet shows you how to move a form field in a new location in a PDF file.
public static void MoveField()
{
var editor = new FormEditor();
editor.BindPdf(_dataDir + "Sample-Form-05.pdf");
editor.MoveField("Last Name", 262.56f, 496.75f, 382.28f, 514.03f);
editor.Save(_dataDir + "Sample-Form-05-mod.pdf");
}
Delete Form Field from an Existing PDF File
In order to delete a form field from an existing PDF file, you can use RemoveField method of FormEditor class. This method takes only one argument: field name. You need to create an object of FormEditor class, call RemoveField method to remove a particular field from the PDF and then call the Save method to save the updated PDF file. The following code snippet shows you how to delete form fields from an existing PDF file.
public static void RemoveFields()
{
var editor = new FormEditor();
editor.BindPdf(_dataDir + "Sample-Form-01.pdf");
editor.RemoveField("First Name");
editor.RemoveField("Last Name");
editor.Save(_dataDir + "Sample-Form-01-updated.pdf");
}
Rename Form Fields in PDF
Also you can rename your field using RenameField method of FormEditor class.
public static void RenameFields()
{
var editor = new FormEditor();
editor.BindPdf(_dataDir + "Sample-Form-01.pdf");
editor.RenameField("Last Name", "LastName");
editor.RenameField("First Name", "FirstName");
editor.Save(_dataDir + "Sample-Form-01-updated.pdf");
}