/// <summary>
/// How to replace a hyperlink content and formatting.
/// </summary>
/// <remarks>
/// Details: https://sautinsoft.com/products/document/help/net/developer-guide/hyperlinks-replace-url-csharp-vb-net.php
/// </remarks>
public static void ReplaceHyperlinksByText()
{
// Let us say, we've a DOCX document.
// And we need to replace all hyperlinks by their text, color this text by red.
// Also we have to preserve the rest formatting: font family, size and so on.
string inpFile = @"..\..\Hyperlinks example.docx";
string outFile = @"Result - Replace By Text.docx";
// Let's open our document.
DocumentCore dc = DocumentCore.Load(inpFile);
// Loop by all hyperlinks in a reverse, to remove the "Hyperlink" objects
// and replace them by "Inline" objects.
foreach (Hyperlink hpl in dc.GetChildElements(true, ElementType.Hyperlink).Reverse())
{
// Check that the Hyperlink is specified for a text element.
if (hpl.DisplayInlines != null && hpl.DisplayInlines.Count > 0 && hpl.DisplayInlines[0] is Run)
{
// Get the "Hyperlink" index in the parent collection.
InlineCollection parentCollection = hpl.ParentCollection;
int index = parentCollection.IndexOf(hpl);
// Get the "Hyperlink" text as the Inline collection.
InlineCollection textInlines = hpl.DisplayInlines;
// Remove the "Hyperlink" object from the parent collection by index.
parentCollection.RemoveAt(index);
// Insert the text (collection of Inlines) instead of the removed "Hyperlink" object
// into the parent collection.
for (int i = 0; i < textInlines.Count; i++)
{
// Set the red font color, remove underline.
if (textInlines[i] is Run)
{
(textInlines[i] as Run).CharacterFormat.FontColor = Color.Red;
(textInlines[i] as Run).CharacterFormat.UnderlineStyle = UnderlineType.None;
}
parentCollection.Insert(index + i, textInlines[i].Clone(true));
}
}
}
// Save our document back.
dc.Save(outFile);
// Open the result for demonstration purposes.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile)
{
UseShellExecute = true
});
}
/// <summary>
/// How to delete all hyperlinks but preserve only their text.
/// </summary>
/// <remarks>
/// Details: https://sautinsoft.com/products/document/help/net/developer-guide/hyperlinks-delete-url-csharp-vb-net.php
/// </remarks>
public static void DeleteHyperlinksURL()
{
// Let us say, we've a DOCX document.
// And we've to remove all hyperlinks, preserve only their text.
// Note, we can't make the property 'Hyperlink.Address' empty, this is not allowed.
// Therefore we have to remove the all 'Hyperlinks' object and
// insert the text objects 'Inline' instead of them.
string inpFile = @"..\..\Hyperlinks example.docx";
string outFile = @"Result - delete links and preserve text.docx";
// Let's open our document.
DocumentCore dc = DocumentCore.Load(inpFile);
// Loop by all hyperlinks in a reverse, to remove the "Hyperlink" objects
// and replace them by their text ("Inline" objects).
foreach (Hyperlink hpl in dc.GetChildElements(true, ElementType.Hyperlink).Reverse())
{
// Get the "Hyperlink" index in the parent collection.
InlineCollection parentCollection = hpl.ParentCollection;
int index = parentCollection.IndexOf(hpl);
// Get the "Hyperlink" text as the Inline collection.
InlineCollection textInlines = hpl.DisplayInlines;
// Remove the "Hyperlink" object from the parent collection by index.
parentCollection.RemoveAt(index);
// Insert the text (collection of Inlines) instead of the removed "Hyperlink" object
// into the parent collection.
for (int i = 0; i < textInlines.Count; i++)
{
// Set the Auto font color (Black for the most cases) and remove the underline.
// Hide these lines if you want to preserve the formatting the same as the hyperlink had.
if (textInlines[i] is Run)
{
(textInlines[i] as Run).CharacterFormat.FontColor = Color.Auto;
(textInlines[i] as Run).CharacterFormat.UnderlineStyle = UnderlineType.None;
}
parentCollection.Insert(index + i, textInlines[i].Clone(true));
}
}
// Save the document back.
dc.Save(outFile);
// Open the result for demonstration purposes.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile)
{
UseShellExecute = true
});
}
/// <summary>
/// Renders an image element.
/// </summary>
/// <param name="inlineCollection"> The list to add to. </param>
/// <param name="element"> The parsed inline element to render. </param>
/// <param name="context"> Persistent state. </param>
private async void RenderImage(InlineCollection inlineCollection, ImageInline element, RenderContext context)
{
var placeholder = RenderTextRun(inlineCollection, new TextRunInline {
Text = element.Text, Type = MarkdownInlineType.TextRun
}, context);
var resolvedImage = await _imageResolver.ResolveImageAsync(element.Url, element.Tooltip);
// if image can not be resolved we have to return
if (resolvedImage == null)
{
return;
}
var image = new Image();
var imageContainer = new InlineUIContainer()
{
Child = image
};
image.Source = resolvedImage;
image.HorizontalAlignment = HorizontalAlignment.Left;
image.VerticalAlignment = VerticalAlignment.Top;
image.Stretch = ImageStretch;
ToolTipService.SetToolTip(image, element.Tooltip);
// Try to add it to the current inlines
// Could fail because some containers like Hyperlink cannot have inlined images
try
{
var placeholderIndex = inlineCollection.IndexOf(placeholder);
inlineCollection.Remove(placeholder);
inlineCollection.Insert(placeholderIndex, imageContainer);
}
catch
{
// Ignore error
}
}
