Progress Indicator called from other class fails

robalo · #1 08-Nov-2007, 20:18

I have a simple dialog app which includes a progress indicator (CProgressCtrl). I have previously successfully managed to get this working by having a decoding program doing everything from the same class (dlg class).

The difference now is that I’m doing the decoding from other standard ANSI C++ classes. As I don’t want to “mess around” with those as they need to be compiled for different platforms, I though that I could update the decoding progress by a simple “method call”, e.g.

From other class:

CPP / C++ / C Code:

CMainDialogDlg dlg;
dlg.SetProgress(iPercent);

In main dialog class:

CPP / C++ / C Code:

void CMainDialogDlg::SetProgress(int progress)
{
	m_progress.SetPos(progress);
	UpdateData(FALSE);
}

But it seems like I lose the m_hWnd as I get Asserts, i.e.

CPP / C++ / C Code:

_AFXCMN_INLINE int CProgressCtrl::SetPos(int nPos)
	{ ASSERT(::IsWindow(m_hWnd)); return (int) ::SendMessage(m_hWnd, PBM_SETPOS, nPos, 0L); }

BOOL CWnd::UpdateData(BOOL bSaveAndValidate)
{
	ASSERT(::IsWindow(m_hWnd)); // calling UpdateData before DoModal?

Is there a easy way to fix this or have I approached this problem completely wrong?

BR /// Rob

dlp · #2 08-Nov-2007, 23:47

What kind of application are you making? A console or an MFC?

Also, what are the exact assert messages you get?

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Progress Indicator called from other class fails

Re: Progress Indicator called from other class fails