// Copies all structural properties from source (clearing the property) to destination.
private static void TransferStructuralProperties(Inline source, Inline destination)
{
bool sourceIsChild = (source.Parent == destination);
for (int i = 0; i < TextSchema.StructuralCharacterProperties.Length; i++)
{
DependencyProperty property = TextSchema.StructuralCharacterProperties[i];
if ((sourceIsChild && HasLocalInheritableStructuralPropertyValue(source)) ||
(!sourceIsChild && HasLocalStructuralPropertyValue(source)))
{
object value = source.GetValue(property);
source.ClearValue(property);
destination.SetValue(property, value);
}
}
}
// Helper for PreserveBlockContentStructuralProperty.
private static void SetStructuralPropertyOnInline(Inline inline, DependencyProperty property, object value)
{
if (inline is Run &&
!inline.IsEmpty &&
!HasLocalPropertyValue(inline, property))
{
// If the only child is a Run, set the value directly.
// Otherwise there's no need to set the value.
inline.SetValue(property, value);
}
}