C / C++ / MFC Discussion Boards

Re: GUI/Data Design question

Joaquín M López Muñoz9-Sep-02 7:08

Joaquín M López Muñoz

9-Sep-02 7:08

Maybe you can take advantage of LockWindowUpdate just like this:

CYourView:SomeCommandHandler()
{
  AfxGetMainWnd()->LockWindowUpdate();
  // doc ops potentially generating multiple refresh messages.
  AfxGetMainWnd()->UnlockWindowUpdate();
}

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Re: GUI/Data Design question

JennyP9-Sep-02 8:14

JennyP

9-Sep-02 8:14

Thanks for the response.

In my case, its not the graphical device painting that takes time, it's the GUI class calculations that I employ each time the data changes. Unfortunately, the data will change 5 times "at once" causing these calculations to be run 5 times when all I need is one calculation to be done on the last data-change (only after the "last" data change).

Thanks!

JennyP

Re: GUI/Data Design question

Joaquín M López Muñoz9-Sep-02 8:25

Joaquín M López Muñoz

9-Sep-02 8:25

Well, you can develop a similar custom-made mechanism that tells the "GUI class" not to initiate calculations when in the middle of a sequence of record changes. Don't know how hard this would be to accomplish in your particular case.
Another altenative is to have GetData and SetData methods for your doc class that allows you to perform the changes on a local copy of the data. When done, these changes can be plugged again into the document class, thus triggering the GUI updating.

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Does anyone have MFC Grid 2.23?

petrym9-Sep-02 6:42

petrym

9-Sep-02 6:42

I am looking for an MFC Grid. The latest MFC Grid 2.24 looks good but, alas, I am still stuck with MSDEV 6 (no .NET at this point).
I would like to check out MFC Grid 2.23 which I believe is still configured for MSDEV6. If anyone knows where I could download 2.23 or could email it to me, I would be eternally gratefull.
Thanks
beamsack

Re: Does anyone have MFC Grid 2.23?

Joaquín M López Muñoz9-Sep-02 6:49

Joaquín M López Muñoz

9-Sep-02 6:49

I'd say v2.24 still works in VC++ 6.0, it is only it's been upgraded to work for VC++ .NET also.

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Re: Does anyone have MFC Grid 2.23?

petrym9-Sep-02 7:07

petrym

9-Sep-02 7:07

Thanks for the reply Joaquin,
I tried to build the project and lack the MFC dlls for MSVC 7.
My project is MSVC 7 adverse right now so even if I could scare up the DLLs for evaluation - I would never be able to distribute my app. I had hoped that the platform SDK would have had the latests MFC dlls not this was not to be.

beamsack

Re: Does anyone have MFC Grid 2.23?

Joaquín M López Muñoz9-Sep-02 7:14

Joaquín M López Muñoz

9-Sep-02 7:14

Well, I'd say that, although the demo project works only for .NET, the library itself should be compatible with VC++ 6.0.
Nevertheless... (don't tell anybody Smile | :)

) Chris was smart (or careless?) enough as to leave this trace in the site:

http://www.codeproject.com/miscctrl/gridctrl/gridctrl_demo223.zip[^]

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Re: Does anyone have MFC Grid 2.23?

petrym9-Sep-02 7:20

petrym

9-Sep-02 7:20

Joaquin,
Thanks a million.
I think I will follow your suggestion and try to build 2.24 with 6.
The problem I had described was at run-time not build time.
Time for some fun

beamsack

Changing dialog background color ...

Hadi Rezaee9-Sep-02 6:41

Hadi Rezaee

9-Sep-02 6:41

Hi there,
I wrote this code for changing windows background color, it works fine in Win98 but it doesn't wrok on WinXP and Win2000 !

HBRUSH CSearchDialog::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);

switch(nCtlColor)
{
case CTLCOLOR_DLG:
{
CBrush brush(RGB(0, 30, 104));
pDC->SelectObject(brush);
pDC->SetBkMode(TRANSPARENT);
return (HBRUSH)brush.GetSafeHandle();

}

case CTLCOLOR_STATIC:
{
}

case CTLCOLOR_EDIT:
{
}

}

return hbr;
}

What's wrong ???
Please help me !

My month article: Game programming by DirectX by Lan Mader.
Please visit in: www.geocities.com/hadi_rezaie/index.html

Hadi Rezaie

Re: Changing dialog background color ...

Joaquín M López Muñoz9-Sep-02 6:46

Joaquín M López Muñoz

9-Sep-02 6:46

{
CBrush brush(RGB(0, 30, 104));
pDC->SelectObject(brush);
pDC->SetBkMode(TRANSPARENT);
return (HBRUSH)brush.GetSafeHandle();
}

Since brush is defined in the local scope, it gets destroyed as soon as the function exists. I'd say it's merely a matter of luck that this works in Win98. Instead, make brush a member variable of CSearchDialog and initialize it only once (for instance, in the constructor for the dialog).

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Re: Changing dialog background color ...

Hadi Rezaee9-Sep-02 6:53

Hadi Rezaee

9-Sep-02 6:53

Hello dear López Smile | :)

Ans thanks alot for your helps, now it works fine Wink | ;)

Best Regards, Rose | [Rose]

My month article: Game programming by DirectX by Lan Mader.
Please visit in: www.geocities.com/hadi_rezaie/index.html

Hadi Rezaie

Re: Changing dialog background color ...

Joaquín M López Muñoz9-Sep-02 7:03

Joaquín M López Muñoz

9-Sep-02 7:03

Hello dear López

Just call me Joaquín (or Joaq, as Nish prefers to put it) Smile | :)

Ans thanks alot for your helps, now it works fine

Glad to be helpful.

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Get refresh rate (frequency) of current display mode under Win9x?

FatBastardDelivery9-Sep-02 5:46

FatBastardDelivery

9-Sep-02 5:46

Hi!

I know that this is not the first time this question is asked, but I don´t found a solution yet so I hope someone in here is able to help me.

Problem is: With the standart MFC functions I can´t get the refresh rate of the display device under Win9x (Win98 and ME is important), neighter the current, nor all avaible.
Under WinNT and above all is fine. EnumDisplaySetting or GetDeviceCaps in "Normal" Mode or the equals in DirectX Mode returns all Values correct, but under Win9x only a Zero or 1 comes back.

Question: How can I get the value? Anybody knows other ways? I know it is possible (look at MultiRes or QuickRes but these are not OpenSource Frown | :(

).

Bye FatBastard

Animated GIF !!!

Hadi Rezaee9-Sep-02 5:25

Hadi Rezaee

9-Sep-02 5:25

Hello there,
Is there any tutorial and class for loading animated gif ???

My month article: Game programming by DirectX by Lan Mader.
Please visit in: www.geocities.com/hadi_rezaie/index.html

Hadi Rezaie

Re: Animated GIF !!!

C^hris L^osinger9-Sep-02 5:47

C^hris L^osinger

9-Sep-02 5:47

when you come to the CP main page, there is a list of categories down the left side of the page. one of those categories is "Bitmaps and Palettes". if you click that, you'll find many different classes that will do this.

-c

"Kate said / The flowers of intolerance and hatred / Are blooimg kind of early this year / Someone's been watering them.
-- Robyn Hitchcock, Devil's Radio

Combo Box Control.

arthivjii9-Sep-02 5:22

arthivjii

9-Sep-02 5:22

Hi,
I have many combo boxes my my dialog based application. I want to a combobox to loose focus, when the user clicks outside the combobox. The user should be able to click anywhere in the dialog (not necessarily on another control.) and the combobox should loose focus.
Please help me in this regard.
Confused | :confused:

Arthi

Re: Combo Box Control.

.dan.g.9-Sep-02 14:18

.dan.g.

9-Sep-02 14:18

try handling WM_LBUTTONDOWN in the parent dialog class and calling SetFocus() on the dialog.

if SetFocus() doesn't work (dialogs can be a bit funny) then try sending WM_KILLFOCUS to the control with the focus.

How to get notified when netowrk connection up or down?

Anonymous9-Sep-02 5:06

Anonymous

9-Sep-02 5:06

Hi all,
I need to get notification when the network link up or down.
is there any way to do it?
did any one know how the windows system know this and display a message at the coner of the screen when link up or down?

Thanks a lot.

Re: How to get notified when netowrk connection up or down?

Stephane Rodriguez.9-Sep-02 5:12

Stephane Rodriguez.

9-Sep-02 5:12

May be that's a dumb answer from me, but you can show a blinking systray icon for the network link just by checking a box in the Network settings.

MS quote (http://www.microsoft.com/ddk) : As of September 30, 2002, the Microsoft® Windows® 2000 DDK, the Microsoft Windows 98 DDK, and the Microsoft Windows NT® 4.0 DDK will no longer be available for purchase or download on this site. Support for development will ship at the same time as the Windows XP Service Pack 1 (SP1) release.

Re: How to get notified when netowrk connection up or down?

Alwin759-Sep-02 5:39

Alwin75

9-Sep-02 5:39

Hi ano,

take a look at the System Event Notification Service (SENS), and especially
the ISensNetwork interface. I believe there is an article about this in a recent Dr. Dobbs, or search the Microsoft site.

Bye,

Alwin

Re: How to get notified when netowrk connection up or down?

Anonymous9-Sep-02 5:49

Anonymous

9-Sep-02 5:49

Hi Alwin,
I've read the SENS article. it works fine with dialup line. but augly with LAN. it seems the desktop network connection link up/down message is not from SENS

Did you know other info?

Thanks.

Re: How to get notified when netowrk connection up or down?

Alwin7510-Sep-02 2:54

Alwin75

10-Sep-02 2:54

Hi,

It turned out that I did not read the article in Dr. Dobbs but in MSDN, which
is available electronically here.

The article indicates that SENS does not work well for what you want to do but describes an alternative using WMI (Windows Management Instrumentation) that might help you.

Regards,

Alwin

How to embed the data in program while compile?

ooosawaddee39-Sep-02 5:01

ooosawaddee3

9-Sep-02 5:01

I want to ask like this below example?
Example :
If there are 3 people , all of them have text file name “1.txt”.

If Mr. A has data X in text file like this
X = POIR
Mr. B has data X in text file like this
X = JUKFDSSA
Mr. C has data X in text file like this
X = OYTGF

I want to embed this data in program while compile.
Example: If I use text file of Mr.A I will have data X = POIR after compile program. If I use text file of Mr.B I will have data X = JUKFDSSA after compileprogram.

If my program is in directory C:\ .
Where I need to put “1.txt” file and how to write program to do that .

Thank you.

Re: How to embed the data in program while compile?

C^hris L^osinger9-Sep-02 5:04

C^hris L^osinger

9-Sep-02 5:04

can you could just put the text into a const char * variable?

when you write your text file, make it look like this:

---begin (cut here)
const char *pTheTextFile = "JUKFDSSA";
---end (cut here)

... and call it "MyText.cpp" (or whatever) and add it to your project. then just rewrite it when you want to add the other person's data.

-c

"Kate said / The flowers of intolerance and hatred / Are blooimg kind of early this year / Someone's been watering them.
-- Robyn Hitchcock, Devil's Radio

Help

Anonymous9-Sep-02 4:45

Anonymous

9-Sep-02 4:45

I have a big problem and i must finish this work:
send and receive some bitmap.
The solution?
Thanks

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