Audio input level - C / C++ / MFC Discussion Boards

palbano14-Jun-04 5:20

14-Jun-04 5:20

>> I've created a seperate class for the dialog resource,

Have you worked with MFC CDialog based classes before? Have you used MFC's DDX mechanism to get/set values from a CDialog class?

If not you should consider going through a turtorial like Scribble or something.

-pete

Re: Rebar: Dialog bar

Jorgen E.14-Jun-04 10:08

Jorgen E.

14-Jun-04 10:08

Well, I have worked with them, but not enough it seems :P I'll take another look at scribble!

Assuming I didn't confuse you too much with my question, and you understood me: any more ideas? Anything is appreciated!

- J

discussing: email servers

includeh1013-Jun-04 10:08

includeh10

13-Jun-04 10:08

how many different email servers are normally used?
i.e. smtp, mimi etc.
what are main different between them?
cheers

includeh10

Re: discussing: email servers

bneacetp13-Jun-04 10:15

bneacetp

13-Jun-04 10:15

I think you want the General Discussions forum.

Happy Programming and God Bless!

Internet::WWW::CodeProject::bneacetp

Re: discussing: email servers

includeh1013-Jun-04 10:33

includeh10

13-Jun-04 10:33

what does it mean?

includeh10

Re: discussing: email servers

bneacetp13-Jun-04 10:40

bneacetp

13-Jun-04 10:40

includeh10 wrote:
what does it mean?

I think that your inquiry is best posted in the "General Discussions" forum, not in the "Visual C++" forum as this inquiry does not reference MFC or C++.

Happy Programming and God Bless!

Internet::WWW::CodeProject::bneacetp

Re: discussing: email servers

toxcct13-Jun-04 10:48

toxcct

13-Jun-04 10:48

post this on the ~~lounge~~ General Discussions forum!!

TOXCCT >>> GEII power

Audio input level

tojegi13-Jun-04 9:56

tojegi

13-Jun-04 9:56

I need to send out canned audio message from my computer to a pagger. The problem is that other human users may be using the pagger. I need to monitor the pagger audio output and wait for a period of no activity. The pagger audio output is hooked up to the mic input of my Sound Blaster. Unless it's easier then it looks, I'd rather not have to figure out how to decode the wave file and somehow determine the input level. Is there an easy solution to this problem?

Voice recorder

Michae_geffen13-Jun-04 8:27

Michae_geffen

13-Jun-04 8:27

Need a MFC c++ code for voice record and to save them to the disk.

Michael Geffen

Running in Background?

DanYELL13-Jun-04 7:28

DanYELL

13-Jun-04 7:28

Is there a way to launch a PDF from an application
and then programmatically print it without the end-user
seeing all this going on?

I can ShellExecute, but the whole things displays. I want it to be hidden. Most importantly tough, I can't
figure out how to programmatically click File/Print/Ok
on the Adobe Reader from a different application.
Any ideas?

Please, any response any one can give me will be greatly
appreciated.

Sincerely,
Danielle (an overworked graduate student)

Re: Running in Background?

Ravi Bhavnani13-Jun-04 8:02

Ravi Bhavnani

13-Jun-04 8:02

You could use the "print" verb (instead of "open") when you call ShellExecuteEx(). This will cause the standard Windows print dialog to open, bypassing the Adobe Acrobat GUI.

I don't know how to directly print to the default printer without showing the print dialog. Frown | :(

/ravi

My new year's resolution: 2048 x 1536
Home | Articles | Freeware | Music
ravib@ravib.com

Re: Running in Background?

gamitech13-Jun-04 9:48

gamitech

13-Jun-04 9:48

try to get it's handle and the use
ShowWindow(hdlg/*it's handle*/,SW_HIE);
toi get it's hanlde make a program that will get the window from point
GetWindowFromPoint
put it down

and then try to hide the window with that handle;

gabby

Getting what's been clicked in a CTreeCtrl

kfaday13-Jun-04 7:11

kfaday

13-Jun-04 7:11

Hello
I've got a CTreeCtrl. When i double-click on one of the items, i want to get in a CString the string of where i doubleclicked.

the following code

CString temp;
HTREEITEM hItem = m_tree.GetSelectedItem();
            temp = m_tree.GetItemText(hItem);

gives me a runtime error.
any ideas?
thanks!!

Re: Getting what's been clicked in a CTreeCtrl

Ravi Bhavnani13-Jun-04 7:56

Ravi Bhavnani

13-Jun-04 7:56

Perhaps hItem is NULL? What's the run-time error you're getting?

/ravi

My new year's resolution: 2048 x 1536
Home | Articles | Freeware | Music
ravib@ravib.com

Re: Getting what's been clicked in a CTreeCtrl

kfaday13-Jun-04 9:45

kfaday

13-Jun-04 9:45

it was null
thanks!!

Re: Getting what's been clicked in a CTreeCtrl

Sumit Kapoor13-Jun-04 20:32

Sumit Kapoor

13-Jun-04 20:32

HI..Dear..
You need to trap event selChanged & in that even you can get value.. e.g.: I'm traping tree in view by using following code..you can do simmilar
bye

void CLeftFirstTreeView::OnSelchanged(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;

CString aa;
aa.Format("%s", GetTreeCtrl( ).GetItemText(pNMTreeView->itemNew.hItem ));
MessageBox(aa);
}

Tha's it.. you can do this in tree control by traping same event...
bye again

---Sumit Kapoor---

Creating Access file with the password

Anonymous13-Jun-04 5:35

Anonymous

13-Jun-04 5:35

COuld anyone help me , please?!

I need to create an empty MS Access file with the password.
Assume that I create MS access file like that:

BOOL bl=SQLConfigDataSource(NULL, ODBC_ADD_DSN, _T("Microsoft Access Driver (*.mdb)"),"CREATE_DB=C:\\3\\_pwd.mdb\0PWD=123\0\0");

CREATE_DB - Creates a database file.
BUT how can I set up the password in that file ( _pwd.mdb) ?? That method of using SQLConfigDataSource doesn't work!!!!!!!!!!! The file has created, but there is no a password.
PLEEEAAASE SOMEBODY HELP ME!!!!

How can I use and compile my project that contain 16 bit API?

Behzad Ebrahimi13-Jun-04 4:26

Behzad Ebrahimi

13-Jun-04 4:26

Hi all.
I want to create a Device Installation application in Win98.

I have VC++ 6 and DDK98.
How can I use 16 bits function such as DiInstallDevice! Confused | :confused:

Re: How can I use and compile my project that contain 16 bit API?

John R. Shaw13-Jun-04 11:04

John R. Shaw

13-Jun-04 11:04

Results of search:
The argument to DiInstallDevice & DiInstallClass is compatible with 32-bit calling convention.

DDK98:
Extract Bin_Win98_ml.exe change name to ml.exe and copy it to VC98\BIN.
Extract Bin_Win98_ml.err change name to ml.err and copy it to VC98\BIN.

Looking at the USB examples that come with the DDK should help.

Note:
www.bluewartersystems.com has a DDK wizard that is supposed to ease the development of DDs.

MSDN:
1) Q222820 (and many other possible problems)
2) Implementing the New Win32 Driver Model for Windows 98 and Windows NT 5.0.
3) An Inside Look at Developing Applications Using the New Features of Visual C++ 6.0.

Well I hope that helps!

INTP

mfc: load a cursor resource

kfaday13-Jun-04 4:19

kfaday

13-Jun-04 4:19

Hi!, i've created a cursor with the resource editor. i want to load it when i press a button. i've tried with this code, but it doesn't work:

HCURSOR hCursor;
hCursor = AfxGetApp()->LoadCursor(IDC_MYCURSOR);

any ideas?
thanks!

Re: mfc: load a cursor resource

Dominik Reichl13-Jun-04 5:04

Dominik Reichl

13-Jun-04 5:04

This code looks well and should work nicely. Check what hCursor is, if it's something non-zero or NULL.

Of course, if you want to display the cursor, you must use the SetCursor API function, see MSDN for more.

Best regards,
Dominik

_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??
(doesn't work on NT)

Re: mfc: load a cursor resource

kfaday13-Jun-04 5:24

kfaday

13-Jun-04 5:24

that's what i want to do.. to display it.
should i call SetCursor, or it is called automatically, like OnPaint or the like?

Re: mfc: load a cursor resource

Dominik Reichl13-Jun-04 5:59

Dominik Reichl

13-Jun-04 5:59

The remarks section of SetCursor in MSDN:

The cursor is set only if the new cursor is different from the previous cursor; otherwise, the function returns immediately.

The cursor is a shared resource. A window should set the cursor shape only when the cursor is in its client area or when the window is capturing mouse input. In systems without a mouse, the window should restore the previous cursor before the cursor leaves the client area or before it relinquishes control to another window.

If your application must set the cursor while it is in a window, make sure the class cursor for the specified window's class is set to NULL. If the class cursor is not NULL, the system restores the class cursor each time the mouse is moved.

The cursor is not shown on the screen if the internal cursor display count is less than zero. This occurs if the application uses the ShowCursor function to hide the cursor more times than to show the cursor.

Windows CE: Use the cursor component when targeting a platform that does not support mouse cursors. The only cursor this component supports is the wait cursor. Use the following code to set the wait cursor:

SetCursor(LoadCursor(NULL, IDC_WAIT));
Use the mcursor component when targeting a platform that does support mouse cursors. This component does not support color cursors.

Best regards,
Dominik

_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??
(doesn't work on NT)

Re: mfc: load a cursor resource

kfaday13-Jun-04 7:08

kfaday

13-Jun-04 7:08

I've read this kind of tutorial in msdn:
<url=http: msdn.microsoft.com="" library="" default.asp?url="/library/en-us/winui/WinUI/WindowsUserInterface/Resources/Cursors/UsingCursors.asp">http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/WinUI/WindowsUserInterface/Resources/Cursors/UsingCursors.asp

I'm doing an mfc app, and that seems winampi, but i tried to implement what's there anyways.

first of all, in my dialog class i've got these member variables

HINSTANCE hinst;
HCURSOR hCursor;

In the constructor of the dialog i've got:

hCursor = LoadCursor(hinst, MAKEINTRESOURCE(IDC_LAPIZ_CUR));

then i've got this:

BOOL CVentanaPizarra::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) 
{
	if (changecursor==true)
    { 
        SetCursor(hCursor); 
    } 
	return CDialog::OnSetCursor(pWnd, nHitTest, message);
}

so, when i press a button, the changecursor variable is set to true.

But it still doesn't show the cursor when i press that button
what am i doing wrong?

Re: mfc: load a cursor resource

Johan Rosengren13-Jun-04 9:55

Johan Rosengren

13-Jun-04 9:55

kfaday wrote:
hCursor = LoadCursor(hinst, MAKEINTRESOURCE(IDC_LAPIZ_CUR));

Ouch. You are not initializing hinst to the application instance handle.
Rewrite to:

hCursor = LoadCursor(AfxGetResourceHandle(), MAKEINTRESOURCE(IDC_LAPIZ_CUR));

kfaday wrote:

BOOL CVentanaPizarra::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) 
{
  if (changecursor==true)
  {
    SetCursor(hCursor);     
  }

  return   CDialog::OnSetCursor(pWnd, nHitTest, message);
}

what am i doing wrong?

You are calling the base class implementation in OnSetCursor. Rewrite to:

BOOL CVentanaPizarra::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) 
{
  BOOL result = TRUE;
  if (changecursor==true)
  {
    if( SetCursor(hCursor) )
      result = TRUE;
  }
  else
    result = CDialog::OnSetCursor(pWnd, nHitTest, message);

  return result;
}

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