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MFC, append text to textbox

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Set textbox to multi-line. ASSERT statement verifies.

Apparently executes quicker than GetWindowText, Append, SetWindowText.

Appears to auto-scroll otherwise, use this to scroll to bottom:
edit.SendMessage(WM_VSCROLL, SB_BOTTOM, 0 );

Haven't figured out how to stop scrolling when it's not already at the bottom.

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  1. void AppendLineToMultilineEditCtrl(CEdit& editArg, LPCTSTR pszTextArg )
  2. {
  3.    ASSERT(  editArg.GetStyle() & ES_MULTILINE ); // Should be a multi-line style. 0x0004L
  4.    int nLength = editArg.GetWindowTextLength(); // get the initial text length
  5.    editArg.SetSel(nLength, nLength); // go to the end.
  6.    editArg.ReplaceSel("
  7. ");       // add CrLf
  8.    nLength+=2;                       // Add length of CrLf
  9.    editArg.SetSel(nLength, nLength); // go after CrLf.
  10.    editArg.ReplaceSel(pszTextArg);   // add the string.
  11. }

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