internal override ReportItemInstance GetOrCreateInstance()
 {
     if (m_instance == null)
     {
         m_instance = new TextBoxInstance(this);
     }
     return(m_instance);
 }
 internal ShimTextRunInstance(TextRun textRunDef, TextBoxInstance textBoxInstance)
     : base(textRunDef)
 {
     m_textBoxInstance = textBoxInstance;
 }