UseLegacyOrder

FindReplaceOptions.UseLegacyOrder property

True indicates that a text search is performed sequentially from top to bottom considering the text boxes. Default value is false.

public bool UseLegacyOrder { get; set; }

Examples

Shows how to change the searching order of nodes when performing a find-and-replace text operation.

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

// Insert three runs which we can search for using a regex pattern.
// Place one of those runs inside a text box.
builder.Writeln("[tag 1]");
Shape textBox = builder.InsertShape(ShapeType.TextBox, 100, 50);
builder.Writeln("[tag 2]");
builder.MoveTo(textBox.FirstParagraph);
builder.Write("[tag 3]");

// We can use a "FindReplaceOptions" object to modify the find-and-replace process.
FindReplaceOptions options = new FindReplaceOptions();

// Assign a custom callback to the "ReplacingCallback" property.
TextReplacementTracker callback = new TextReplacementTracker();
options.ReplacingCallback = callback;

// If we set the "UseLegacyOrder" property to "true", the
// find-and-replace operation will go through all the runs outside of a text box
// before going through the ones inside a text box.
// If we set the "UseLegacyOrder" property to "false", the
// find-and-replace operation will go over all the runs in a range in sequential order.
options.UseLegacyOrder = useLegacyOrder;

doc.Range.Replace(new Regex(@"\[tag \d*\]"), "", options);

List<string> expected;
if (useLegacyOrder)
    expected = new List<string> { "[tag 1]", "[tag 3]", "[tag 2]" };
else
    expected = new List<string> { "[tag 1]", "[tag 2]", "[tag 3]" };
Assert.That(callback.Matches, Is.EqualTo(expected));

Shows how to change the searching order of nodes when performing a find-and-replace text operation (TextReplacementTracker).

/// <summary>
/// Records the order of all matches that occur during a find-and-replace operation.
/// </summary>
private class TextReplacementTracker : IReplacingCallback
{
    ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
    {
        Matches.Add(e.Match.Value);
        return ReplaceAction.Replace;
    }

    public List<string> Matches { get; } = new List<string>();
}

UseLegacyOrder

FindReplaceOptions.UseLegacyOrder property

Examples

See Also