Re: CDialog minimize topic

=?Utf-8?B?WWFlbA==?= <>
Mon, 21 May 2007 06:07:02 -0700
So How can I fix this?

"Joseph M. Newcomer" wrote:

Minimizing a modal dialog is dangerous; hiding in the task bar more so, because if a modal
dialog is minimized, it hangs the main app with no apparent reason for the hang.

I suspect the system tray has nothing at all to do with this.

On Mon, 21 May 2007 05:01:00 -0700, Yael <> wrote:

Thank you for your replay.
It's my dialog:
class CListViewDlg : public CDialog

BOOL CMyMainApp::InitInstance():
CMainFrame* pMainFrame = new CMainFrame;
    if (!pMainFrame->LoadFrame(IDR_MAINFRAME))
        return FALSE;
    m_pMainWnd = pMainFrame;

    // For debugging (or something...)

In CMyMainApp class I'm calling to
CListViewDlg dlg;

maybe is about CMainFrame using:

"Joseph M. Newcomer" wrote:

Many things wrong below...
On Mon, 21 May 2007 02:17:01 -0700, Yael <> wrote:


When I'm minimizing my mfc dialog, it's going to the left down corner and
I want to see my dialog in minimize..
(I want to make the button in the taskbar from my app disappear when the
main-window is minimized.)

================ Start Code ================

void CListViewDlg:nSize(UINT nType, int cx, int cy)
CDialog:nSize(nType, cx, cy);
if ( nType == SIZE_MINIMIZED )
     // Show a button in the taskbar
//I see my dialog minimized, but not in the taskbar, I see it on the left
corner up.

First, say something more about this dialog. Is it a modeless dialog? Is it a
dialog-based app? What is it?

SetWindowLong(this->m_hWnd, GWL_STYLE, GetWindowLong(m_hWnd, GWL_STYLE) &

! does nothing useful, because it is a logical-not operator. You meant to use ~, which is
a bitwise op

Changing the style at this point has no effect, so this line is incorrect as written and
useless when corrected.

If you don't want it in the taskbar, you must hide it. ShowWindow(SW_HIDE) would be good.
For all other OnSize operations, do ShowWindow(SW_SHOW)


================ End Code ==================


Joseph M. Newcomer [MVP]
MVP Tips:

Joseph M. Newcomer [MVP]
MVP Tips:

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