Define Recognition String for component within frames.

We must define 'frame information' in the "Recognition String" if the component locates within frames.

Specify a FRAME RS for the parent container by one of following ways
(note: frame information is usually defined in parent component, but is also can be used in child component.)

• FRAMEID=my_content_frame_id
  
• FRAMENAME=my_content_frame_name
  
• FRAMEXPATH=//iframe[@id='frameId']
  
• FRAMEINDEX=N (1=first frame) RS by Index is not recommended.
  

Examples:

• If there is no frame-expression in a child RS, the last visited frame will be used to find child components; the last visited frame is normally the frame defined by the parent component.
  If a frame expression is sepcified in a child RS, then that frame will be used to find this specific child ONLY. It will not affect other children.
  
  [TopFrameWin]
  TopFrameWin="FRAMEID=top_iframe"
  button1="id=__item23"
  button2="FRAMEID=other_iframe;\;id=__item23"
  button3="id=__item25"
  
  button1 is expected to be found in frame 'top_iframe'.
  button2 is expected to be found in frame 'other_iframe'.
  button3 is still expected to be found in frame 'top_iframe'.
  
  The DOM tree looks like below
  <iframe id="top_iframe">
      <button id="__item23"/><-- button1 -->
      <button id="__item25"/><-- button3 -->
  </iframe id="top_iframe">
  <iframe id="other_iframe"><-- a sibling frame -->
      <button id="__item23"/><-- button2 -->
  </iframe id="other_iframe">
  

• If there are multiple levels of frame, we must define all of them in parent/child hierarchy format separated by ";\;"
  [ChildFrameWin]
  ChildFrameWin="FRAMEID=top_iframe;\;FRAMEID=child_iframe"
  button1="id=__item23"
  
  button1 is expected to be found in frame 'child_iframe', which is a child of frame 'top_iframe'.
  
  The DOM tree looks like below
  <iframe id="top_iframe">
      <iframe id="child_iframe"><-- a child frame -->
          <button id="__item23"/>
      </iframe id="child_iframe">
  </iframe id="top_iframe">