C / C++ / MFC

Tomasz Sowinski27-Jun-01 10:05

Tomasz Sowinski

27-Jun-01 10:05

Just use this:

BOOL CYourPage::OnInitDialog() 
{
CPropertyPage::OnInitDialog();
// your stuff here
return TRUE;
}

Tomasz Sowinski -- http://www.shooltz.com.pl

Jerry Wang27-Jun-01 10:37

Jerry Wang

27-Jun-01 10:37

Hmm.. there is no OnInitDialog() fcn in CPropertyPage or any of its parents. This exactly what I am stuck on. I know I can initialize my SetRange in OnInitDialog if I had a dialog, but I don't I have a CPropertyPage.

btw, the tree for these classes is:

. . . . . . . . . . . . . . . . . . . . . . . .-> CDialog . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . / . . . . . . . . . . .
CObject -> CCmdTarget -> CWnd -<. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . \ . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .-> CPropertySheet. . .

So there's no OnInitDialog for CPropertySheet.

Tomasz Sowinski27-Jun-01 10:40

Tomasz Sowinski

27-Jun-01 10:40

CPropertyPage derives from CDialog - your tree is not based on facts Smile | :)

. If you insert CPropertySheet::OnInitDialog() into CYourPage::OnInitDialog, the CDialog::OnInitDialog will be called.

Anyway, if you don't want to use OnInitDialog, use OnSetActive or DoDataExchange instead.

Tomasz Sowinski -- http://www.shooltz.com.pl

Jerry Wang27-Jun-01 10:56

Jerry Wang

27-Jun-01 10:56

Ah, yes you are correct! I was looking into the wrong place -- the CPropertySheet, instead of CPropertyPage. Thanks! My spinner works like a charm now Smile | :)

CEdit

26-Jun-01 11:07

I intend to add a CEdit box to the main window (a drawing program which is NOT Dialog based) so I can always show the x,y coordinates in that box. I've added such a variable to the View class and created it in the constructor, but it does not appear in the main window, how can I make it display?

PJ Arends26-Jun-01 17:06

PJ Arends

26-Jun-01 17:06

You have to create the edit control in your view's OnCreate() handler.

int CTestView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	m_myEdit.Create(WS_VISIBLE|WS_CHILD|WS_BORDER, CRect(10,20,30,40), this, ID_MYEDIT);
	return 0;
}

---
Multitasking: Screwing up several things at once.

27-Jun-01 8:29

Thanks. I've successfully added it. I also added a combobox on the window, which dynamically contain some string. What I want is that when make a choice in the combobox, the code will do different things, how can I do that? It's simple in Dialog based program, but I have no idea how to do that in non-Dialog-based.

PJ Arends27-Jun-01 15:18

PJ Arends

27-Jun-01 15:18

You do it exactly the same way as in a dialog. You just have to do it manually, classwizard will not help you. Add your message map entries and member functions.

BEGIN_MESSAGE_MAP(CTestView, CView)
	//{{AFX_MSG_MAP(CTestView)
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
        ON_CONTROL(CBN_SELCHANGE, ID_MYCOMBO, OnSelChanged)
END_MESSAGE_MAP()

void CTestView::OnSelChanged()
{
        DoSomethingWhenSelectionChanges();
}

---
Multitasking: Screwing up several things at once.

27-Jun-01 17:32

I tried but it does not work. I also tried to change ON_CONTROL to ON_NOTIFY, it does not work either. The function, say CTestView::OnSelChanged() should be declared with type "afx_msg", right? Is there any other trick besides what you said above? By the way, my application is a windows CE program, could this be the reason?

PJ Arends27-Jun-01 18:19

PJ Arends

27-Jun-01 18:19

check out MSDN WinCE/MFC CComboBox

---
Multitasking: Screwing up several things at once.

Chang Dll Version

Tony Li26-Jun-01 10:54

Tony Li

26-Jun-01 10:54

There is a WIN32 function GetFileVersionInfo to get file version information. Is there a "SetFileVersionInfo" or similiar WIN32 function to change the version information?

Chang Dll Version

Tony Li26-Jun-01 10:53

Tony Li

26-Jun-01 10:53

There is a WIN32 function GetFileVersionInfo to get file version information. Is there a "SetFileVersionInfo" or similiar WIN32 function to change the version information?

Re: Chang Dll Version

26-Jun-01 11:29

Up to my knowledge, this information is stored in the DLL as a resource! So you can change it at design time from within your compiler! What do you mean changing the value at runtime? In memory only or do you want the chage to be permenant?!

Cry | :((

Re: Chang Dll Version

Tony Li26-Jun-01 17:10

Tony Li

26-Jun-01 17:10

I know UpdateResource can be used to make the change. Do you know if there is an example showing how to change version information permanently using this function? In MSDN, there are some links about how to change dialog resource and string table resource using the function. But I didn't find anything about version.

Thanks.

DBTIMESTAMP

Don Burton26-Jun-01 10:39

Don Burton

26-Jun-01 10:39

Which C++ date/time function will work to populate a variable of type DBTIMESTAMP?

Commenting code

26-Jun-01 9:09

Does anyone know how to comment out a LARGE chunk of code in a C++ file.

I know the /* comment here */ but if you want to comment out large portion
of a file and have /* comments */ within the file you have to make /* */ all over the place to do the large part. i.e. I would like to comment out the entire file (or close to it). Some thing like a symbol at the beginning of the
file and one at the end of the file, but nothing in the middle that will stop the comment short. Thanks a bunch in return.

Keener

Re: Commenting code

C^hris L^osinger26-Jun-01 9:35

C^hris L^osinger

26-Jun-01 9:35

#if 0
bunch of code
#endif

------------------------------
Smaller Animals Software, Inc.
http://www.smalleranimals.com

NLS implementation

Lakshmi26-Jun-01 8:11

Lakshmi

26-Jun-01 8:11

Hi,

I'm working on making an application NLS compliant which is mainly dialog based. What I've to do is I need to load the application's dialog from a resource dll based on the operating system's language. My implementation is as below.

GetUserDefaultUILanguage = (GETUSERDEFAULTUILANGUAGE*)GetProcAddress(hClusAPI, "GetUserDefaultUILanguage");
LANGID Language = GetUserDefaultUILanguage();

_stprintf(g_tcsTemp, _TEXT("res%x.dll"),Language);
if(strcmp(g_tcsTemp, "res409.dll"))
{
HMODULE hLibrary = LoadLibraryEx(g_tcsTemp, NULL,LOAD_LIBRARY_AS_DATAFILE);

if(hLibrary!=NULL)
AfxMessageBox("Other library has been successfully loaded in the system");
HRSRC ResInfo = FindResource(hLibrary,"#102",RT_DIALOG);
ResHndl = LoadResource(hLibrary,ResInfo);
}
else
{
HMODULE hLibrary = LoadLibraryEx(g_tcsTemp, NULL, LOAD_LIBRARY_AS_DATAFILE);
res = GetLastError();

HRSRC ResInfo = FindResource(hLibrary, "#102",RT_DIALOG);
ResHndl = LoadResource(hLibrary, ResInfo);
}

dlg1.CreateIndirect(ResHndl,NULL);
dlg1.ShowWindow(SW_SHOWNORMAL);

This method seems to work, but since CreateIndirect returns immediately the dialog is seen for a fraction of second. Then I used InitModalIndirect API instead of CreateIndirect making the dialog resource modal. Dialog comes up but it always gives assersion in ASSERT(m_lpszTemplateName == NULL);(DLGCORE.CPP line no.430).

nResponse = dlg1.InitModalIndirect(ResHndl,NULL);
dlg1.DoModal();
If any one knows about NLS implementation by loading dialog from resource dll, Please let me know.

Thanks in advance,
Lakshmi.

26-Jun-01 8:35

Why don't you use a message loop after createIndirect?!
Roll eyes | :rolleyes:

Lakshmi26-Jun-01 9:42

Lakshmi

26-Jun-01 9:42

Hi,

Can u please elaborate

Thanks,
Lakshmi.

26-Jun-01 10:10

After CreateIndirect use something like:

MSG msg;

while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)
{
if (!IsDialogMessage(&msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}