/// <summary>
/// Creates a new VisualLineElementTextRunProperties instance that copies its values
/// from the specified <paramref name="textRunProperties"/>.
/// For the <see cref="TextDecorations"/> and <see cref="TextEffects"/> collections, deep copies
/// are created if those collections are not frozen.
/// </summary>
public VisualLineElementTextRunProperties(TextRunProperties textRunProperties)
{
if (textRunProperties == null)
{
throw new ArgumentNullException("textRunProperties");
}
backgroundBrush = textRunProperties.BackgroundBrush;
baselineAlignment = textRunProperties.BaselineAlignment;
cultureInfo = textRunProperties.CultureInfo;
fontHintingEmSize = textRunProperties.FontHintingEmSize;
fontRenderingEmSize = textRunProperties.FontRenderingEmSize;
foregroundBrush = textRunProperties.ForegroundBrush;
typeface = textRunProperties.Typeface;
textDecorations = textRunProperties.TextDecorations;
if (textDecorations != null && !textDecorations.IsFrozen)
{
textDecorations = textDecorations.Clone();
}
textEffects = textRunProperties.TextEffects;
if (textEffects != null && !textEffects.IsFrozen)
{
textEffects = textEffects.Clone();
}
typographyProperties = textRunProperties.TypographyProperties;
numberSubstitution = textRunProperties.NumberSubstitution;
}
public static void RemoveTextDecoration(TextDecorationCollection decoration)
{
object _decorations = GetRTBValue(TextBlock.TextDecorationsProperty);
if (_decorations != DependencyProperty.UnsetValue)
{
TextDecorationCollection textdecorations = (TextDecorationCollection)_decorations;
if (textdecorations.IsFrozen)
{
textdecorations = textdecorations.Clone();
}
foreach (TextDecoration each in decoration)
{
textdecorations.Remove(each);
}
SetRTBValue(TextBlock.TextDecorationsProperty, textdecorations, false);
}
}
