Re: The WM_KICKIDLE message

Hans-J. Ude <>
Sun, 15 May 2011 16:01:58 +0200
David Webber schrieb:

If it isn't documented, and isn't in the public headers, doesn't that raise
a number of questions:

Which versions of Windows have it?
When is it sent?
What is its intended purpose?
Is it safe to rely on it?

That's what I asked myself too. But then I decided to use it for the reasons
that David L. mentioned. This is the reduced code:

BEGIN_MESSAGE_MAP(CBatchInputDlg, CDialogEx)

void CBatchInputDlg::OnKickIdle()
  UpdateDialogControls(this, FALSE);

void CBatchInputDlg::OnUpdateBtnPaste(CCmdUI *pCmd)
  BOOL bEnable =
    IsClipboardFormatAvailable(CF_UNICODETEXT) ||


Btw, the ON_MESSAGE_VOID macro is undocumented too but can be quite handy if
params or returns are unused.

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