internal CompiledParagraphInstanceCollection(CompiledRichTextInstance compiledRichTextInstance)
 {
     m_compiledRichTextInstance   = compiledRichTextInstance;
     m_compiledParagraphInstances = new List <CompiledParagraphInstance>();
 }
 internal CompiledTextRunInstance(CompiledRichTextInstance compiledRichTextInstance)
     : base(compiledRichTextInstance.TextRunDefinition)
 {
     m_compiledRichTextInstance = compiledRichTextInstance;
 }
 internal CompiledParagraphInstance(CompiledRichTextInstance compiledRichTextInstance)
     : base(compiledRichTextInstance.ParagraphDefinition)
 {
     m_compiledRichTextInstance = compiledRichTextInstance;
 }