This is the code the for replicating the error:
using Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Streaming;
using Telerik.Windows.Documents.Fixed.Model.Editing;
using Telerik.Windows.Documents.Fixed.Model.InteractiveForms;
using Telerik.Windows.Documents.Fixed.Model;
using Telerik.Documents.Primitives;
using System.Diagnostics;
using System.Reflection.Metadata;
using Telerik.Windows.Documents.Fixed.FormatProviders.Pdf;
namespace _1681158PdfInputFields
{
internal class Program
{
static void Main(string[] args)
{
ExportExamplePdfForm();
}
public static void ExportExamplePdfForm()
{
RadFixedDocument fixedDoc = new RadFixedDocument();
RadFixedPage fixedPage = fixedDoc.Pages.AddPage();
FixedContentEditor editor = new FixedContentEditor(fixedPage);
editor.Position.Translate(100, 100);
TextBoxField textBox = new TextBoxField("textBox");
fixedDoc.AcroForm.FormFields.Add(textBox);
textBox.Value = "Sample text...";
Size widgetDimensions = new Size(200, 30);
DrawNextWidgetWithDescription(editor, "TextBox", (e) => e.DrawWidget(textBox, widgetDimensions));
string fileName = "output.pdf";
File.Delete(fileName);
string ResultFileName = "result.pdf";
File.Delete(ResultFileName);
using (PdfStreamWriter writer = new PdfStreamWriter(File.OpenWrite(ResultFileName)))
{
foreach (RadFixedPage page in fixedDoc.Pages)
{
writer.WritePage(page);
}
}
ProcessStartInfo psi = new ProcessStartInfo()
{
FileName = ResultFileName,
UseShellExecute = true
};
Process.Start(psi);
Console.WriteLine("Document created.");
}
private static void DrawNextWidgetWithDescription(FixedContentEditor editor, string description, Action<FixedContentEditor> drawWidgetWithEditor)
{
double padding = 20;
drawWidgetWithEditor(editor);
Size annotationSize = editor.Root.Annotations[editor.Root.Annotations.Count - 1].Rect.Size;
double x = editor.Position.Matrix.OffsetX;
double y = editor.Position.Matrix.OffsetY;
Block block = new Block();
block.TextProperties.FontSize = 20;
block.VerticalAlignment = Telerik.Windows.Documents.Fixed.Model.Editing.Flow.VerticalAlignment.Center;
block.InsertText(description);
editor.Position.Translate(x + annotationSize.Width + padding, y);
editor.DrawBlock(block, new Size(editor.Root.Size.Width, annotationSize.Height));
editor.Position.Translate(x, y + annotationSize.Height + padding);
}
}
}