PdfGraphics.AddFormField(PdfGraphicsAcroFormField) Method
Adds an interactive form field to PDF graphics.
Namespace: DevExpress.Pdf
Assembly: DevExpress.Pdf.v18.2.Drawing.dll
Declaration
Parameters
Name | Type | Description |
---|---|---|
field | PdfGraphicsAcroFormField | A PdfGraphicsAcroFormField object that represents an interactive form field that should be added to PDF graphics. |
Example
This example shows how to add interactive form fields (e.g., text box and radio button group fields) to a PDF document using a PdfGraphics object.
To access the PdfGraphics, you need to reference the DevExpress.Pdf.Drawing assembly.
Note
A complete sample project is available at https://github.com/DevExpress-Examples/how-to-create-an-interactive-form-t494635
Imports DevExpress.Pdf
Imports System.Drawing
Namespace AddFormFieldsToNewDocument
Friend Class Program
Shared Sub Main(ByVal args() As String)
Using processor As New PdfDocumentProcessor()
' Create an empty document.
processor.CreateEmptyDocument("..\..\Result.pdf")
' Create graphics and draw form fields.
Using graphics As PdfGraphics = processor.CreateGraphics()
DrawFormFields(graphics)
' Render a page with graphics.
processor.RenderNewPage(PdfPaperSize.Letter, graphics)
End Using
End Using
End Sub
Private Shared Sub DrawFormFields(ByVal graphics As PdfGraphics)
' Create a text box field and specify its location on the page.
Dim textBox As New PdfGraphicsAcroFormTextBoxField("text box", New RectangleF(30, 10, 200, 30))
' Specify text box text, and appearance.
textBox.Text = "Text Box"
textBox.Appearance.FontSize = 12
textBox.Appearance.BackgroundColor = Color.AliceBlue
' Add the text box field to graphics.
graphics.AddFormField(textBox)
' Create a radio group field.
Dim radioGroup As New PdfGraphicsAcroFormRadioGroupField("First Group")
' Add the first radio button to the group and specify its location using a RectangleF object.
radioGroup.AddButton("button1", New RectangleF(30, 60, 20, 20))
' Add the second radio button to the group.
radioGroup.AddButton("button2", New RectangleF(30, 90, 20, 20))
' Specify radio group selected index, and appearance.
radioGroup.SelectedIndex = 0
radioGroup.Appearance.BorderAppearance = New PdfGraphicsAcroFormBorderAppearance() With {.Color = Color.Red, .Width = 3}
' Add the radio group field to graphics.
graphics.AddFormField(radioGroup)
End Sub
End Class
End Namespace
Related GitHub Examples
The following code snippets (auto-collected from DevExpress Examples) contain references to the AddFormField(PdfGraphicsAcroFormField) method.
Note
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