public void WrapperToAccessLayoutEntities()
{
// This sample introduces the RenderedDocument class and other related classes which provide an API wrapper for
// the LayoutEnumerator. This allows you to access the layout entities of a document using a DOM style API.
Document doc = new Document(MyDir + "Document layout.docx");
RenderedDocument layoutDoc = new RenderedDocument(doc);
// Get access to the line of the first page and print to the console.
RenderedLine line = layoutDoc.Pages[0].Columns[0].Lines[2];
Console.WriteLine("Line: " + line.Text);
// With a rendered line, the original paragraph in the document object model can be returned.
Paragraph para = line.Paragraph;
Console.WriteLine("Paragraph text: " + para.Range.Text);
// Retrieve all the text that appears on the first page in plain text format (including headers and footers).
string pageText = layoutDoc.Pages[0].Text;
Console.WriteLine();
// Loop through each page in the document and print how many lines appear on each page.
foreach (RenderedPage page in layoutDoc.Pages)
{
LayoutCollection <LayoutEntity> lines = page.GetChildEntities(LayoutEntityType.Line, true);
Console.WriteLine("Page {0} has {1} lines.", page.PageIndex, lines.Count);
}
// This method provides a reverse lookup of layout entities for any given node
// (except runs and nodes in the header and footer).
Console.WriteLine();
Console.WriteLine("The lines of the second paragraph:");
foreach (RenderedLine paragraphLine in layoutDoc.GetLayoutEntitiesOfNode(
doc.FirstSection.Body.Paragraphs[1]))
{
Console.WriteLine($"\"{paragraphLine.Text.Trim()}\"");
Console.WriteLine(paragraphLine.Rectangle.ToString());
Console.WriteLine();
}
}
private LayoutEntity CreateLayoutEntityFromType(LayoutEnumerator it)
{
LayoutEntity childEntity;
switch (it.Type)
{
case LayoutEntityType.Cell:
childEntity = new RenderedCell();
break;
case LayoutEntityType.Column:
childEntity = new RenderedColumn();
break;
case LayoutEntityType.Comment:
childEntity = new RenderedComment();
break;
case LayoutEntityType.Endnote:
childEntity = new RenderedEndnote();
break;
case LayoutEntityType.Footnote:
childEntity = new RenderedFootnote();
break;
case LayoutEntityType.HeaderFooter:
childEntity = new RenderedHeaderFooter();
break;
case LayoutEntityType.Line:
childEntity = new RenderedLine();
break;
case LayoutEntityType.NoteSeparator:
childEntity = new RenderedNoteSeparator();
break;
case LayoutEntityType.Page:
childEntity = new RenderedPage();
break;
case LayoutEntityType.Row:
childEntity = new RenderedRow();
break;
case LayoutEntityType.Span:
childEntity = new RenderedSpan(it.Text);
break;
case LayoutEntityType.TextBox:
childEntity = new RenderedTextBox();
break;
default:
throw new InvalidOperationException("Unknown layout type");
}
childEntity.mKind = it.Kind;
childEntity.mPageIndex = it.PageIndex;
childEntity.mRectangle = it.Rectangle;
childEntity.mType = it.Type;
childEntity.LayoutObject = it.Current;
childEntity.mParent = this;
return(childEntity);
}
