// Initialize this object with a complete stack trace.
private void Initialize(Exception e, int skipFrames, bool needFileInfo)
{
if (e == null)
{
// Get the total number of frames on the stack at present.
int totalFrames = StackFrame.InternalGetTotalFrames();
// Validate "skipFrames", and then account for the
// extra frames that we have pushed while getting here.
if (skipFrames < 0 || skipFrames > (totalFrames - 2))
{
skipFrames = 0;
}
skipFrames += 2;
// Create the frame array.
totalFrames -= 2;
numFrames = totalFrames;
frames = new StackFrame [totalFrames];
// Fill the frame array.
int posn = 0;
while (posn < totalFrames)
{
frames[posn] =
new StackFrame(posn + skipFrames, needFileInfo);
++posn;
}
}
else
{
// Unpack an exception's "packed" stack trace
// to determine where it was thrown from.
UnpackStackTrace(e.GetPackedStackTrace(),
skipFrames, needFileInfo);
}
}
