ContentControl

[hxhgxy]

How can I insert ContentControl or input text into an existing contentcontrol?

Thanks a lot!

[PrzemyslawKlys]

At the moment we don't support ContentControl (I even didn't knew it existed).

Some docs fo future implementation:

• https://learn.microsoft.com/en-us/office/dev/add-ins/word/create-better-add-ins-for-word-with-office-open-xml#work-with-content-controls
• https://stackoverflow.com/questions/63170082/insert-a-content-control-with-ooxml

If someone/you want to tackle this it would be great :-) If not, probably if I will be bored enough I'll take a look what Content Control is and will decide.

Quick look for a custom form based on:

• https://support.microsoft.com/en-us/office/create-forms-that-users-complete-or-print-in-word-040c5cc1-e309-445b-94ac-542f732c8c8b

Added a single element, and it looks like this

using DocumentFormat.OpenXml.Wordprocessing;
using DocumentFormat.OpenXml;

namespace GeneratedCode
{
    public class GeneratedClass
    {
        // Creates an SdtBlock instance and adds its children.
        public SdtBlock GenerateSdtBlock()
        {
            SdtBlock sdtBlock1 = new SdtBlock();

            SdtProperties sdtProperties1 = new SdtProperties();
            SdtId sdtId1 = new SdtId(){ Val = 734359063 };

            SdtPlaceholder sdtPlaceholder1 = new SdtPlaceholder();
            DocPartReference docPartReference1 = new DocPartReference(){ Val = "DefaultPlaceholder_-1854013440" };

            sdtPlaceholder1.Append(docPartReference1);
            SdtContentText sdtContentText1 = new SdtContentText();

            sdtProperties1.Append(sdtId1);
            sdtProperties1.Append(sdtPlaceholder1);
            sdtProperties1.Append(sdtContentText1);

            SdtContentBlock sdtContentBlock1 = new SdtContentBlock();

            Paragraph paragraph1 = new Paragraph(){ RsidParagraphAddition = "00A7755C", RsidRunAdditionDefault = "00A7755C", ParagraphId = "21E9D7DC", TextId = "7A60725A" };

            Run run1 = new Run();
            Text text1 = new Text();
            text1.Text = "Test";

            run1.Append(text1);

            paragraph1.Append(run1);

            sdtContentBlock1.Append(paragraph1);

            sdtBlock1.Append(sdtProperties1);
            sdtBlock1.Append(sdtContentBlock1);
            return sdtBlock1;
        }

    }
}

It's similar to Watermark and a few other elements we already kind of support.

I assume this is Content Control you mean right?

Test Controls Diff.docx

[hxhgxy]

Here is the way i figure out to get all contentcontrol (richtextbox) in a document and find one whose tag is what I am looking for:

            /// <summary>
    /// 查找并返回指定Word文档里的所有内容控件集合
    /// </summary>
    /// <param name="document">指定文档</param>
    /// <returns></returns>
    public List<SdtElement> ContentControls(WordprocessingDocument document)
    {
        List<SdtElement> contentControls = new List<SdtElement>();
        var allElements = document.MainDocumentPart.Document.Body.ChildElements;
        foreach (var element in allElements)
        {
            if (element is SdtElement)
            {
                contentControls.Add((SdtElement)element);
            }
            else
            {
                getChildren(element, contentControls);
            }
        }
        return contentControls;
    }

    /// <summary>
    /// 查找指定元素的所有层级的子元素
    /// </summary>
    /// <param name="element">指定的元素</param>
    /// <param name="contentControls">符合要求的元素的集合</param>
    private void getChildren(OpenXmlElement element, List<SdtElement> contentControls)
    {
        if (element.HasChildren == true)
        {
            foreach (OpenXmlElement child in element.ChildElements)
            {
                if (child is SdtElement)
                {
                    contentControls.Add((SdtElement)child);
                }
                else
                {
                    getChildren(child, contentControls);
                }
            }
        }
    }

    /// <summary>
    /// 从内容控件集合里找到指定Tag的内容控件
    /// </summary>
    /// <param name="contentControls">内容控件集合</param>
    /// <param name="tagName">指定的Tag</param>
    /// <returns></returns>
    public SdtElement ContentControl(List<SdtElement> contentControls, string tagName)
    {
        foreach (SdtElement item in contentControls)
        {
            var tag = item.SdtProperties?.GetFirstChild<Tag>();
            if (tag != null && tag.Val.HasValue)
            {
                if (tag.Val == tagName)
                {
                    return item;
                }
            }
        }
        return null;
    }

[hxhgxy]

By the way, by using your codes or the codes from OpenXML tools, it is quite easy to create a document. But i didn't figure out how to open an existing document to find some parts to edit.

I made a word template (.docx) in a folder. Everytime, I open the document and then save as a new file. i want to make edition on the new one. however, if i open the original one with iseditable=true, all revision will be saved to the original one.

I tried to open the original document with no editable, and save as a new one. when I try to open the new document right after, it is occupied.

What should i do?

Thanks.

[PrzemyslawKlys]

It's a bug I think:

• https://github.com/EvotecIT/OfficeIMO/issues/47
• https://github.com/EvotecIT/OfficeIMO/issues/49

It seems to be a bug in the Open-XML-SDK. I guess workaround would be to copy document before opening it up, and use Load that way. It's a different issue, so lets no hijack this thread here.