The value of the TextBoxField is not visible until the field is clicked.

Workaround: Force content update:

foreach (var widget in textBoxField.Widgets)
{
    widget.RecalculateContent();
}

If the update still doesn't fix the issue, change the font prior to setting the value of the field:

foreach (var widget in textBoxField.Widgets)
{
    widget.TextProperties.Font = FontsRepository.Helvetica;
}

Special chars (åäö) with PdfFormatProvider wont work.

Project submitted!

    public void SpecialCharsTest()
        {
            RadFlowDocument document = new RadFlowDocument();

            RadFlowDocumentEditor editor = new RadFlowDocumentEditor(document);

            editor.InsertText("Before text");
            editor.InsertText("åäö ÅÄÖ ☕"); // This line will not appear in the pdf 
            editor.InsertText("After text");
            using (Stream output = new FileStream("specialCharTest.pdf", FileMode.OpenOrCreate))
            {
                PdfFormatProvider provider = new PdfFormatProvider();
                provider.Export(document, output);
            }
        }

Special characters wont work :-/

I was working on some acroforms and wherever I needed a space I kept on getting a different letter (Ê). On debugging the problem seems to be in the TryGetCharCode function of OpenTypeFontSource

Version: 2019.3.917

Below is copy of function

public override bool TryGetCharCode(int unicode, out int charCode)
        {
            bool result = false;
            ushort glyphId;
            charCode = CMap.MISSING_GLYPH_ID;
            if (this.TryGetGlyphId(unicode, out glyphId))
            {
                ushort uCharCode = CMap.MISSING_GLYPH_ID;
                CMapTable table = this.CMap.GetCMapTable(3, 0);
                if (table != null)
                {
                    result = table.TryGetCharId(glyphId, out uCharCode);
                }

                table = this.CMap.GetCMapTable(1, 0);
                if (table != null)
                {
                    result = table.TryGetCharId(glyphId, out uCharCode);
                }

                charCode = uCharCode;

                return result;
            }

            return false;
        }

The font used has 2 cmap tables: one with platformid of 3 and encodingid of 1, the other with platformid 1 and encodingid 0. According to https://docs.microsoft.com/en-us/typography/opentype/spec/cmap platform id 3 and encoding 1 is correct for windows so not sure why the first call to getcmaptable looks for encodingid 0.

Second of all even if I change it to the following

CMapTable table = this.CMap.GetCMapTable(3, 1);

if there is a second cmap with platformid of 1 whatever the result of the call with regards to platformid 3, the result will be overridden

I can say that if I add some checks so that if the first call succeeds it doesn't attempt the 2nd I do get the expected behaviour in the pdf and get spaces

As a note the FontFamily property of the OpenTypeFontSource is "Arial"

Attached a project to demonstrate some issues we're seeing that need resolving in order to use the component.

1. When using a font like Tahoma on a form field, the value no longer displays or contains garbled text.

2. Input file is 24KB, output is 2MB!

3. Rotated field lose their rotation after being flattened.

4. Simulate merging with other files, 100 times the file is now 150MB! It's as though it's not re-using the fonts, but keeps adding the same ones.

5. when merging, but not flattening, the form fields are all lost on pages after page 1

Even without flattening the form the Barcode font gets lost.

Noticed that manually setting the font using the font name with spaces seems to work.

Other custom fonts on our form appear to work, however the Free 3 of 9 does not.

I have read that there limitations to PDF files being imported, however, the file being imported  was generated with FixedContentEditor, so, should be able to import?

1. Line Height is not converted properly.  for example, if we set the line height is 1.5 in angular UI editor, in PDF is not shown properly,

2. Table alignment is not proper -  After resizing the in the angular editor, the same alignment is not converted in PDF. I think colgroup and cols custom tags are not considering while converting the PDF.

SkiaImageFormatProvider: Rectangle behind text overlaps the text of previous line.

RESOLVED: The issue is dismissed. The actual reason for the results is missing FontsProvider implementation. In order for accurate calculations and measurements the fonts used in the document need to be resolved correctly.

When paragraphs in list and with hanging indent set are imported from RTF, unexpected values for hanging indent and left indent are imported. The problem is most visible when the document is exported to HTML and visualized in browser, as bullets of the list appear over the content.

The font size in the table does not respect the CSS for the corresponding class. There is similar issue with <li /> element. 

When iterating through the rows and cells of an imported Worksheet in at least one of the rows GetValue().Value.ResultValueType for a number cell is set to GetValue().Value.ResultValueType.Text and the value to "error" or "string".

For us this happens in a worksheet with 200 rows max. and columns formated as date, time, time followed by some text and number columns.
In our Tests with different excel files it allways happened once (between line 11 and 16) and only for the first two columns.

Exporting the worksheet back into a new excel file will show all rows and columns types and values OK.

Closed as duplicate. Please, follow the item at https://feedback.telerik.com/Project/184/Feedback/Details/190249 .

ArgumentException with clarification similar to "'\u001f', hexadecimal value 0x1F, is an invalid character." is thrown when trying to export document containing characters which are not supported in XML document - such as some control characters like 0x00, 0x1F, 0x1B, etc.

Such characters are described in the XML specification here: https://www.w3.org/TR/xml/#charsets.

using (var stream = File.OpenWrite("sample.xlsx"))
using (var workbook = SpreadExporter.CreateWorkbookExporter(SpreadDocumentFormat.Xlsx, stream))
using (var worksheet = workbook.CreateWorksheetExporter("My sheet"))
using (var row = worksheet.CreateRowExporter())
using (var cell = row.CreateCellExporter())
{
      cell.SetValue(string.Format("Error Value: {0} ", Encoding.ASCII.GetString(new byte[] { 8 })));
}