title: What is the meaning of the four parameters in CallSnapshotEx, dwParams[4]?
body: <p>This structure is used to store extended information about stack frames.</p>
  
  <pre><code>typedef struct _CallSnapshotEx {
    DWORD dwReturnAddr;
    DWORD dwFramePtr;
    DWORD dwCurProc;
    DWORD dwParams[4];
  } CallSnapshotEx;
  </code></pre>
  
  <p>Does anybody know what dwParams is about?</p>