Size of check box and combo box - C / C++ / MFC Discussion Boards

Alexander ^M.,6-Dec-03 13:13

6-Dec-03 13:13

no, i didn't mean both of them!
http://www.gamedev.net/reference/programming/features/mmxblend/[^]

this one is good, too
http://www.gamedev.net/reference/articles/article817.asp[^]

Don't try it, just do it! Wink | ;-)

Re: crossfade between 2 bitmaps

Ted Ferenc6-Dec-03 21:56

Ted Ferenc

6-Dec-03 21:56

Thanks,

I really should have spotted that optimisation, i.e. allways use integer calculation if possible. It makes a 40% improvement in the calculation time.

"The greatest mistake you can make in life is to be continually fearing you will make one." - Elbert Hubbard

Tree View/Control

sqa-dave6-Dec-03 12:11

sqa-dave

6-Dec-03 12:11

This might be obvious to you guys, but I've been trying to figure this out for a while now:

I have 2 panes: Left pane has the tree and right pane is blank. I am trying to display different data depending on what item is selected from the tree on left.

I appreciate any and all the help I can get, as I have tried evryting I can think of.

Thanks,
David

Re: Tree View/Control

sqa-dave8-Dec-03 6:31

sqa-dave

8-Dec-03 6:31

The reason I need this is that I want to show system specific info. For ex. One branch of the tree would show mem usage, while other branch would show Network card info, i.e. ip address, mac address...

Is this better acomplished with panes or forms?

Thanks,
David

How to find if a non-modal dialog is visible

srev6-Dec-03 10:33

srev

6-Dec-03 10:33

Hi,

How do I find out if a window (ie non-modal dialog) is currently visible. I've implemented a bool which can monitor it as SW_SHOW or SW_HIDE flags are used to show and hide it, but surely there's a 'native' way of finding this out.

Sorry if this is a real basic question but I can't find the answer in MSDN or the faq here. (I'm probably just not looking in the right place.)

Thanks,

Simon

Re: How to find if a non-modal dialog is visible

User 66586-Dec-03 11:20

User 6658

6-Dec-03 11:20

How about BOOL IsWindowVisible(HWND hWnd)? Big Grin | :-D

modified 12-Sep-18 21:01pm.

Re: How to find if a non-modal dialog is visible

Anthony_Yio7-Dec-03 15:39

Anthony_Yio

7-Dec-03 15:39

Codes I found it in codeproject.

Win32 API style

HWND hwndT;
HWND hWndReturn;

hwndT=::GetWindow(m_hWndMDIClient, GW_CHILD);
while (hwndT != NULL)
{
TCHAR	szWndTitle[256];
::GetWindowText(hwndT,szWndTitle,sizeof(szWndTitle)/sizeof(szWndTitle[0]));
        if (strcmp (szWndTitle, "YOUR WINDOWS TITLE) == 0)
	{
		hWndReturn = hwndT;
		WINDOWPLACEMENT	wndpl;
		::GetWindowPlacement((HWND) hwndT,&wndpl);
		if(wndpl.showCmd == SW_SHOWMINIMIZED) 
                ::ShowWindow((HWND) hwndT,SW_RESTORE);				
                ::SendMessage(m_hWndMDIClient,WM_MDIACTIVATE,(WPARAM)hwndT,0); //Activates it
	}//end if
			hwndT=::GetWindow(hwndT,GW_HWNDNEXT);
}//end while

Sonork 100.41263:Anthony_Yio

Size of check box and combo box

Vancouver6-Dec-03 9:34

Vancouver

6-Dec-03 9:34

I am resizing every control of a dialog, and I'm having problems with non-push like check boxes and combo-boxes. At issue is the "real check box" and the "scroll bar" (the downwards arrow) of combo-box. (The caption of the check box and the item display part of the combo box can be resized, at least partly.)

I'm using SetWindowPlacement for the resizing (it makes no difference if I'm using the Windows function or CWnd). This has no effect on the above components.

I tried it with SetWindowPos; the effect is remarkable.

1. the check box can be shrunk (and it works too!), but it can't be stretched.

2. the combo box can be shrunk in the width but not in the height, and when reducing the width, the "scroll bar" remains the same size (it will be even larger than the size of the control all together). The height can't be changed at all.

Does anyone have some experience with this and know of a solution?

Btw, all this is on XP)

CD Burning

Matthew R. Miller6-Dec-03 9:08

Matthew R. Miller

6-Dec-03 9:08

Does anyone know of any source code/examples/libraries that allow you to burn to cd rom drives?

Re: CD Burning

Alexander ^M.,6-Dec-03 13:17

Alexander ^M.,

6-Dec-03 13:17

i suppose u won't find many libs for windows, most of them are commercial!
the "burning action" is quite easy, read the scsi specifications for that.
a sample program is available on CP:
http://www.codeproject.com/system/udfcdr.asp?target=cdr[^]

Don't try it, just do it! Wink | ;-)

Re: CD Burning

Anonymous6-Dec-03 15:53

Anonymous

6-Dec-03 15:53

Do you know of any commercial libraries. I have searched but came up short.

Re: CD Burning

Scozturk7-Dec-03 2:03

Scozturk

7-Dec-03 2:03

There is the Nero CD Burning Api (can get it from their website ) and it is really easy. But your customers must have the nero burning rom installed on their computer.

Well... I am a beginner ...

Screenshot of a hidden window

C-lviu6-Dec-03 8:54

C-lviu

6-Dec-03 8:54

Does anyone know how to get a screenshot of a window witch is hidden (WS_VISIBLE = 0).
I tried to send WM_PRINTCLIENT to that window, but it doesn't seem to work. I realy need that window to draw itself somehow into a device context I specify.
Please tell me if you know something about this.

Thanks

Re: Screenshot of a hidden window

User 66586-Dec-03 13:07

User 6658

6-Dec-03 13:07

How about making it visible for only a few milliseconds and take a screenshot meanwhile?

modified 12-Sep-18 21:01pm.

Re: Screenshot of a hidden window

C-lviu7-Dec-03 2:03

C-lviu

7-Dec-03 2:03

Yes I know, I had that idea myself but my boss doesn't like it. There must be some other way. Thanks anyway.

Re: Screenshot of a hidden window

Joe Woodbury7-Dec-03 9:29

Joe Woodbury

7-Dec-03 9:29

Be aware that some windows simply can't be made visible. They have no paint routines and/or incomplete settings for the window creation itself. While not as common under Win32, it is still sometimes the easiest way to do some things.

Anyone who thinks he has a better idea of what's good for people than people do is a swine.
- P.J. O'Rourke

FTP server

Amit Dey6-Dec-03 6:36

Amit Dey

6-Dec-03 6:36

Can anyone point me to an FTP server other than IIS that supports multiple host style directory listing(like UNIX,MSDOS,VMS etc etc). I have tried sambar and cerberus they only support UNIX style.

Thanks ,
amit.

Hush,hush...
thought I heard you call my name now.

Kula Shaker.

Amit Dey
Latest articles at CP -
Writing Word addins
Office addin

Re: FTP server

Kelly Herald7-Dec-03 18:52

Kelly Herald

7-Dec-03 18:52

Have you looked at RhinoSoft's Serv-U[^]? It is easy to use and powerful.

Kelly Herald
Software Developer
MPC

I only try to add a new message ,this is my first.

LoverOfVCpp6-Dec-03 5:58

LoverOfVCpp

6-Dec-03 5:58

I only try to add a new message ,this is my first.

Let us rap off,for you,for me,for our man!

Re: I only try to add a new message ,this is my first.

Alexander ^M.,6-Dec-03 13:19

Alexander ^M.,

6-Dec-03 13:19

then we all hope that this will remain your first message!

Don't try it, just do it! Wink | ;-)

Re: I only try to add a new message ,this is my first.

Terry O'Nolley6-Dec-03 15:21

Terry O'Nolley

6-Dec-03 15:21

Did it work?

Have you answered an MTQ? Check out the stats!

Re: I only try to add a new message ,this is my first.

KaЯl8-Dec-03 2:03

KaЯl

8-Dec-03 2:03

Le temps se perd, "Si" n'existe pas
Tous les remords n'y changeront rien
Le temps se perd, "Si" n'existe pas
Donc à présent le choix reste mien

IXMLDOMDocument + memory leaks

Member 4558386-Dec-03 4:06

Member 455838

6-Dec-03 4:06

hi everyone,

i got the following problem: i'm writing a program taht exchanges xml-messages over a network and i use IXMLDOMDocumentPtr ' s to generate (and parse) the xml message.
my problem is that after memory allocated for the xml-docs remains allocated even after i load sth new into the IXMLDOMDocumentPtr so my prog keeps getting bigger and bigger.

here's how the thing works:

Parse(BSTR theXML)
{
IXMLDOMDocumentPtr theXMLDoc;
::CoInitialize(NULL);
theXMLDoc.CreateInstance(CLSID_DOMDocument);

theXMLDoc->loadXML(theXML);

//do something

theXMLDoc.Release();
}

so what did i miss?

i also tried taking the ::CoInitialize(NULL) out of there and put it into the constructor of the class, but then i always get errors while trying to .CreateInstance(..) because "CoInitialize has not been executed"

Re: IXMLDOMDocument + memory leaks

Anonymous6-Dec-03 4:31

Anonymous

6-Dec-03 4:31

How about ::CoUninitailize(); after theXMLDoc.Release();?

Re: IXMLDOMDocument + memory leaks

Anonymous6-Dec-03 4:57

Anonymous

6-Dec-03 4:57

tried that, but i the still get that 'CoInitialize has not been called' error (or a program crash).

probably i should mention that there are 2 threads running, so that function i described can be called by 2 threads at the same time. i also tried to use a mutex to prevent the function to be executed multiple times:
{
WaitForSingleObject(mutex,INFINITE);
::CoInitialize(NULL);
//...
::COUninitialize();
ReleaseMutex(mutex);
}
but still the same thing happens.

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