C / C++ / MFC

26-Sep-06 23:09

String MyPath "c:\"; is invalid. '\' is the escape character, so if you want to print a \, you must specify '\\'

CString MyPath = "C:\\";

One last thing. if (dlg.DoModal()==TRUE) is not syntactically correct. CDialog::DoModal() doesn't return a BOOL (TRUE or FALSE). it returns the exit code specified in the dialog with the call to CDialog::EndDialog(). In general, it is the ID of the buttons pressed, so you should test your CFileDialog with either IDOK or IDCANCEL.

if (dlg.DoModal() == IDOK)

-- modified at 9:30 Wednesday 27th September, 2006

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Re: CFileDialog

Rinu_Raj26-Sep-06 23:10

26-Sep-06 23:10

I think you are using OS XP or 2000, then try

dlg.GetOFN().lpstrFile = MyPath;

it will work

Rinu Raj

Re: CFileDialog

David Crow27-Sep-06 3:01

David Crow

27-Sep-06 3:01

si_69 wrote:
CString MyPath "c:\";

This is a syntax error.

si_69 wrote:
if (logPath.GetLength())

What is logPath?

si_69 wrote:
dlg.GetOFN().lpstrInitialDir = MyPath;

Since GetOFN() does not exist with VC++ v6, I used m_ofn instead. Other than that, this code works fine. Do not use strcpy(), as you simply need to assign a pointer to an existing address.

"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15

"Judge not by the eye but by the heart." - Native American Proverb

WARNING

Bravoone_200626-Sep-06 23:01

Bravoone_2006

26-Sep-06 23:01

what is this warning?
warning LNK4089: all references to "ODBC32.dll" discarded by /OPT:REF

Bravoone

Rajesh R Subramanian26-Sep-06 23:04

Rajesh R Subramanian

26-Sep-06 23:04

http://vcfaq.mvps.org/ide/7.htm

The more a man knows, the more he forgives. - Catherine the Great

Rinu_Raj26-Sep-06 23:04

26-Sep-06 23:04

try using

#pragma warning(disable : 4089)

if not successfull try the following

disable LNK4089 by adding /IGNORE:4089 to your linker options

Rinu Raj

toxcct26-Sep-06 23:07

26-Sep-06 23:07

LNK4089[^]

if you still want to keep the dependency, you can remove the warning with a #pragma warning directive

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David Crow27-Sep-06 2:49

David Crow

27-Sep-06 2:49

So how exactly does this describe LNK4089? His post plainly asked what it was, not how it could be circumvented.

"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15

"Judge not by the eye but by the heart." - Native American Proverb

toxcct27-Sep-06 3:01

27-Sep-06 3:01

But it also explains how it comes, and then how to avoid it...

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David Crow27-Sep-06 3:06

David Crow

27-Sep-06 3:06

Hey, no fair, Tox! My reply was supposed to go to Rinu_Raj. Your reply was the only good one. I hate it when CP twists things up like that.

"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15

"Judge not by the eye but by the heart." - Native American Proverb

toxcct27-Sep-06 3:10

How to get KeyPessed event from an editbox

27-Sep-06 3:10

lol, nevermind... i misunderstood your post Wink | ;)

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gunner_uk200026-Sep-06 22:55

gunner_uk2000

26-Sep-06 22:55

Here is my event handling code:

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, <br />
						 WPARAM wParam, LPARAM lParam)<br />
{<br />
	switch(msg)<br />
	{<br />
	case WM_CREATE:<br />
		Init();<br />
	case WM_PAINT:<br />
		PaintScreen();<br />
		break;<br />
	case WM_CLOSE :<br />
		DestroyWindow(hwnd);<br />
		break;<br />
	case WM_KEYDOWN:<br />
		if(wParam == 13){<br />
			ProcessCommand();<br />
		}<br />
	case WM_COMMAND :<br />
		if(LOWORD(wParam) == ID_COMMAND)<br />
			ProcessCommand();<br />
		break;<br />
	case WM_DESTROY :<br />
		PostQuitMessage(0);<br />
		break;<br />
<br />
<br />
	}<br />
<br />
	return DefWindowProc(hwnd, msg, wParam, lParam);<br />
}

This only works if the main window has the focus, so how can i check which key was pressed if the editbox (ID_EDITBOX) has the focus.

Ie so that if the user presses enter i can run the proccessing needed on it.

Re: How to get KeyPessed event from an editbox

Rinu_Raj26-Sep-06 23:01

Re: How to get KeyPessed event from an editbox

26-Sep-06 23:01

Map the EN_CHANGE notification

Rinu Raj

gunner_uk200026-Sep-06 23:19

gunner_uk2000

26-Sep-06 23:19

How would i go about using the EN_CHANGE notifcation?

As checking for it in the switch case does not work as the code is not executed when i key is pressed.

<br />
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, <br />
						 WPARAM wParam, LPARAM lParam)<br />
{<br />
	switch(msg)<br />
	{<br />
	case WM_CREATE:<br />
		Init();<br />
	case WM_PAINT:<br />
		PaintScreen();<br />
		break;<br />
	case WM_CLOSE :<br />
		DestroyWindow(hwnd);<br />
		break;<br />
	case WM_KEYDOWN:<br />
		if(wParam == 13){<br />
			ProcessCommand();<br />
		}<br />
		break;<br />
	case EN_CHANGE:<br />
		if(wParam == 13){<br />
			ProcessCommand();<br />
		}<br />
		break;<br />
	case WM_COMMAND :<br />
		if(LOWORD(wParam) == ID_COMMAND)<br />
			ProcessCommand();<br />
		break;<br />
	case WM_DESTROY :<br />
		PostQuitMessage(0);<br />
		break;<br />
<br />
<br />
	}<br />
<br />
	return DefWindowProc(hwnd, msg, wParam, lParam);<br />
}

Re: How to get KeyPessed event from an editbox

Rinu_Raj26-Sep-06 23:34

How to exit from aplication ?

26-Sep-06 23:34

case WM_COMMAND :
if(LOWORD(wParam) == EN_CHANGE)

check MSDN for details

Rinu Raj

Bravoone_200626-Sep-06 22:39

Bravoone_2006

26-Sep-06 22:39

you know how to exit from aplication ?

i need something like :
PostQuitMessage(125);

Smile | :)

Bravoone

toxcct26-Sep-06 22:50

26-Sep-06 22:50

what kind of application ? Console ? Win32, MFC ? .NET ?

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Rinu_Raj26-Sep-06 22:50

26-Sep-06 22:50

whats happening ?
is that one not wuiting ?

Rinu Raj

Rajesh R Subramanian26-Sep-06 22:53

Rajesh R Subramanian

26-Sep-06 22:53

#include <stdlib.h>

...

exit(0);

Nobody can give you wiser advice than yourself. - Cicero

toxcct26-Sep-06 22:58

26-Sep-06 22:58

in console, yes, but there are better ways otherwise. that's why i'm waiting for his answer...

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Rajesh R Subramanian26-Sep-06 23:02

Rajesh R Subramanian

26-Sep-06 23:02

Yes, you're right. Since he is not specific about the question, I gave a more generic answer, which is applicable into MFC/Console Big Grin | :-D

Nobody can give you wiser advice than yourself. - Cicero

Bravoone_200626-Sep-06 23:20

Bravoone_2006

26-Sep-06 23:20

yes mfc
and thanks all !

Bravoone

toxcct26-Sep-06 23:21

26-Sep-06 23:21

Bravoone_2006 wrote:
yes mfc

then Call CDialog::EndDialog(IDOK) (or IDCANCEL)

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