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also set the 2nd parameter to "open"
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I have to face an assertion when i try to delete some component (textbox, button,and these methods) frequently. After delete these componet and methods, i can't compile successful although it's ok before. It's very difficult for me to modify a project. Can you recommend me the best way to modify these component in Visual C++.
Thanks so much.
Thuan Pham, student of Ha Noi university of technology.
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In addition, I use MFC project.
Thuan Pham, student of Ha Noi university of technology.
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I have just try some more. When i try to delete every component which have member variable, the exception: "Access violation" occur. I can delete other components successfully.
Thuan Pham, student of Ha Noi university of technology.
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hai Thuan,
if you are in MFC, better delete the methods and variables in the ClassWizard.
I think no need to modify the program. And then delte the corresponding component in the dialog box.
Helping others satisfies you...
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Thuan_pham wrote: I have to face an assertion when i try to delete some component (textbox, button,and these methods) frequently
Delete from where?
Ryan "Punctuality is only a virtue for those who aren't smart enough to think of good excuses for being late" John Nichol "Point Of Impact"
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You just delete all messege map & member variable associated with that component in the class wizard.
Divyang Mithaiwala
System Engineer & Software Developer
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Hello Thuan
If you are working with Dialog based application, open header file whose name is like CMyDlg(in your case, there is your project's name instead of My. Got it?) and delete all functions and variables associated with that control and then compile. I hope it will solve your problem.
Good luck.
We Believe in Excellence
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Maybe you forget to delete DDX and DDV code?
I have the same experience because of this reason.
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Can you tell me about DDX and DDV more details.
I have just try the Aqueel's suggestion. I deleted all member variable and function of the Component in .h file, compile and run, everything is OK. But when i delete the component in Resource View Window, i met an Assertion and when i chose Retry to debug, the code have to debug is:
if (hWndCtrl == NULL)
{
TRACE1("Error: no data exchange control with ID 0x%04X.\n", nIDC);
ASSERT(FALSE); -->Point at this row
AfxThrowNotSupportedException();
}
Can i solve this problem.
Thanks you so much.
Thuan Pham, student of Ha Noi university of technology.
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In function DoDataExchange maybe contain some DDX or DDV code to the control you deleted in resource view. such as DDX_Control(pDX, IDC_BUTTON1, m_btn);
I think it should be the reason according to your last reply.
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thanks for your support. I tried to do time by time but nothing change. 
Thuan Pham, student of Ha Noi university of technology.
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Hi all,
First of all, I'm very comfortable with command-line compilation
with GCC, and VS.net IDE environment, but I'm trying to figure
out how to use VS.net compiler tools in command-line environment.
<br />
In command prompt, I typed: <br />
<br />
cl main.c <br />
<br />
and I got this error: <br />
<br />
/out:main.exe<br />
main.obj<br />
LINK : fatal error LNK1104: cannot open file 'LIBCMT.lib'<br />
<br />
Have I done anything wrong? Did I forget to set any PATH? What am I
supposed to do to compile a simple main.c?
Thanks
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ok you compile main.c, but you don't tell it neither the name of the target exe, nor the libs to link, nor anything else...
if you want to loose time with the commande-line compilation, do this 
<code>C:\></code>cl /?
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When using CEdit (VC++ 6) with multiline.
How to input New Line ?
like following:
CString strMsg;
strMsg.Format("\tHello\n\tWorld");
SetDlgItemText(DLG_ITEM_ID, strMsg);
Expect result is:
"
Hello
World
"
But the CEdit output as following:
"
Hello World
"
How to input New Line in CEdit ?
-- modified at 20:27 Wednesday 8th March, 2006
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try add ES_MULTILINE to edit style
you can modify edit style by resource editor ,or code.
Code sample:
CEdit *pEdit = GetDlgItem(DLG_ITEM_ID);<br />
pEdit->ModifyStyle(0,ES_MULTILINE);<br />
<br />
CString strMsg;<br />
strMsg.Format("\tHello\n\tWorld");<br />
SetDlgItemText(DLG_ITEM_ID, strMsg);<br />
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MULTILINE Added, but still not have new line...
Using '\r' solved
-- modified at 21:40 Wednesday 8th March, 2006
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edit control -> mouse right click -> properties -> styles -> Multiline
strMsg.Format("\tHello\n\tWorld"); -> strMsg.Format("\tHello\r\n\tWorld");
\n New line
\r Carriage return
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After added the '\r', the new line problem Solved.
Thanks ~
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LRESULT CALLBACK MainProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)<br />
{<br />
switch (uMsg)<br />
{<br />
case WM_MYMESSAGE:<br />
PostMessage(hWnd, WM_COMMAND, MAKELPARAM(IDCANCEL, BN_CLICKED), hWndCancel);<br />
break;<br />
}<br />
<br />
return CallWindowProc(wpPrev, hWnd, uMsg, wParam, lParam);<br />
}
Is it not right?
why some time it happen error?
if use SendMessage, not right?
PostMessage(hWnd, WM_COMMAND, MAKELPARAM(IDCANCEL, BN_CLICKED), hWndCancel);
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Is this a dialog window? If so, call EndDialog(hWnd, IDCANCEL). If not, post a WM_CLOSE message to the window.
Ryan "Punctuality is only a virtue for those who aren't smart enough to think of good excuses for being late" John Nichol "Point Of Impact"
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 I am using MFC Visual C++ 6.0. I have a dialog based app. In the main dialog I can define another dialog such as CInstrument aDlg and then use aDlg.DoModal() to display it. I can do this (on the same lines) with many of the other dialog boxes I have defined in the resource editor, but I have a couple of dialog boxes that give errors instead. One classes DoModal() will give me an illegal operation error while another classes DoModal() gives me a debug assertion error. I created all of these dialog boxes the same way and I am a bit confused as to why these two dialogs would give me errors. I have triple checked the code and can't find anything out of the ordinary. Any ideas as to what might be causing this?
Buck
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There are all sorts of things that could be causing problems.
Post the errors / assertions that you're getting, along with callstacks.
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Sometimes, a "rebuild all" would do the trick....
William
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