Re: Bug with MoveWindow for a ComboBox using MFC??
Hi Shail,
I would start by looking for calls to FindString() or FindStringExact() or
SelectString() or SetCurSel() for the combo box and see if something in your
code is doing a reset after the move. I've never seen the combo box
automatically search for another string when it is moved. I don't see that
in the code you posted and I assume you're saying that e != str after the
move. If that is happening you may have to save the current selection
(GetCurSel()) and restore it after the move. I'm not sure why that would
happen, but that would be a work around.
Tom
<skaveti@gmail.com> wrote in message
news:1153754145.685712.250610@s13g2000cwa.googlegroups.com...
Hey Tom,
Thanks for the reply. But I still see the same problem. Would you be
able to help me with this? Any help will be greatly appreciated..
Thanks,
Shail
Tom Serface wrote:
Take a look at this article:
http://msdn2.microsoft.com/en-US/library/etbe335c.aspx
Tom
<skaveti@gmail.com> wrote in message
news:1153421830.907106.289670@h48g2000cwc.googlegroups.com...
Hey Guys,
I am actually trying to use MoveWindow for a comboBox in MFC. Here is
the scenario
My ComboBox is already populated with some values before moving it and
the default value is been set to for example "abc". But "abc" is not a
part of the dropdown list. After this I added "abcd" to the existing
list and moved the combobox using the MoveWindow(CRect) command. Now
the default value changes to "abcd" after the move. I feel that the
MoveWindow command actually after moving the combobox is searching for
the prefix "abc" and displays whatever it finds. If that is true, then
clearly it is a bug or am i missing something? The code is below. Can
someone tell me if they've ever run into a scenario like this? Any help
would be greatly appreciated..Thanks a ton in advance.
BOOL CComboDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
m_ctlCombo.AddString("fgh");
m_ctlCombo.AddString("ikl");
m_ctlCombo.SetWindowText("abc");
// Set the icon for this dialog. The framework does this
automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CComboDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code
below
// to draw the icon. For MFC applications using the document/view
model,
// this is automatically done for you by the framework.
void CComboDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
void CComboDlg::OnSelchangeCombo()
{
//m_ctlCombo.EnableWindow(false);
}
void CComboDlg::OnOK()
{
CRect rectAccount,rectAcc;
CString e;
CString str;
m_ctlCombo.GetWindowText(str);
m_ctlCombo.AddString("abcdefg");
m_ctlCombo.GetWindowRect(&rectAccount);
m_ctlCombo1.GetWindowRect(&rectAcc);
ScreenToClient(rectAccount);
ScreenToClient(rectAcc);
m_ctlCombo.MoveWindow(rectAcc);
m_ctlCombo.GetWindowText(e);
}
// The system calls this to obtain the cursor to display while the user
drags
// the minimized window.
HCURSOR CComboDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
Thanks,
Shail
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