C / C++ / MFC Discussion Boards

verma-rahul6-Sep-04 3:55

6-Sep-04 3:55

I am looking to develop an application which prevents a CD to be coppied.Once it is installed should genrated a unique number through its BAIOS that it cant be duplicated.
THX

Re: Help

Christian Graus6-Sep-04 12:20

Christian Graus

6-Sep-04 12:20

What's a BAIOS ?

Christian

I have drunk the cool-aid and found it wan and bitter. - Chris Maunder

How to hide the "index" pane of the help widow using HtmlHelp?

YunYan6-Sep-04 3:17

YunYan

6-Sep-04 3:17

Hi All,
I want to hide the left pane(index, search,context) of the help widow using function HtmlHelp., but i don't know what's the parameters for HtmlHelp(...) .Is there any other things i should do for it?

Thanks!

YunYan

static function

Dev5786-Sep-04 3:15

Dev578

6-Sep-04 3:15

I have a static function inside a class. It is actually a seperate thread, so it has to be static. Is there a way that I can access normal members of the class from the static thread funcion? Any help is appreciated.

-Dev578

Re: static function

Joaquín M López Muñoz6-Sep-04 4:22

Joaquín M López Muñoz

6-Sep-04 4:22

This has to be about number #1 question asked here at the C++ forum. Mike Dunn's explains it in detail in his Visual C++ FAQ[^], item 6.1. HTH

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Finding a Directory

si_696-Sep-04 2:46

si_69

6-Sep-04 2:46

Hi All

does any know how i can find if a directory is present or not

so i pass in the directory name

i.e. "C:\MyDir"

and then return a true or false

im using MFC

i tried using

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/shell/reference/ifaces/icurrentworkingdirectory/GetDirectory.asp[^]

but it doesnt complile and get the error

error C3861: 'GetDirectory': identifier not found, even with argument-dependent lookup

ne1 any ideas ??

Re: Finding a Directory

Arsalan Malik6-Sep-04 3:03

Arsalan Malik

6-Sep-04 3:03

You should use FindFirstFile and FindNextFile, and check returned WIN32_FIND_DATA structure for FILE_ATTRIBUTE_DIRECTORY attribute. The other function to get current directory, is GetCurrentDirectory not GetDirectory.

Arsalan Malik

Re: Finding a Directory

Timothy Grabrian6-Sep-04 8:28

Timothy Grabrian

6-Sep-04 8:28

BOOL DirectoryExists(LPSTR Dir)
{
	if(GetFileAttributes(Dir) == (DWORD)-1)
	{
		if(GetLastError() == ERROR_FILE_NOT_FOUND)
			return FALSE;
		else
			return TRUE;
	}
}

wWw.KruncherInc.cOm

Re: Finding a Directory

gamitech6-Sep-04 10:04

gamitech

6-Sep-04 10:04

GetFileAttributes

gabby

Re: Finding a Directory

David Crow7-Sep-04 3:07

David Crow

7-Sep-04 3:07

You can also use _access() as in:

if (_access("c:\\MyDir", 0) == 0)
    ; // exists
else
    ; // does not

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

si_696-Sep-04 2:46

si_69

6-Sep-04 2:46

Re: tp

Jon Hulatt6-Sep-04 10:31

Jon Hulatt

6-Sep-04 10:31

Use FindFirstFile

jon

using System.Beer;

how to get the window handle in windows task manager?

baskarchinnu6-Sep-04 2:11

baskarchinnu

6-Sep-04 2:11

Hi,

I am using win32 API programming, I want to handle the selected windows in task manager, when we click minimize, maximise options for selected windows. How can I get the selected window(s) handle to send our user defined message.
I need to send some own message, before OS sending minimize/maximize message. Is it possible to get the handle please help me.

Thanks in Advance

Re: how to get the window handle in windows task manager?

Arsalan Malik6-Sep-04 2:24

Arsalan Malik

6-Sep-04 2:24

Use FindWindow or FindWindowEx function in API. This will take window class and name as parameter, and will give you handle, if found. You can find window class using Spy++ utility, that comes with Visual Studio.

Arsalan Malik

Re: how to get the window handle in windows task manager?

gamitech6-Sep-04 10:08

gamitech

6-Sep-04 10:08

try making a program that gets the window from point.
for example when you click somewhere on the screen the program would show you on a dialog box on some static text info about the window.
Use
WindowFromPoint()

gabby

How to display tooltip for disabled buttons in VC++

Chinnaa Ganesh Kumar6-Sep-04 1:51

Chinnaa Ganesh Kumar

6-Sep-04 1:51

Hi all,

Kindly clarify my doubt

I am developing the dialog based application in VC++.
I have created 10 buttons having captions like Bold, Italic, Underline, Right alignment, etc.
Some buttons can be enabled and some disabled.

My question is:

The tooltip is active ONLY for the enabled buttons.
I need to implement tooltip for the disabled buttons also

It will be great if anyone could help me

Thanks in Advance,
Chinna

Message Maps in classes

Member 7563826-Sep-04 1:50

Member 756382

6-Sep-04 1:50

In my dialog style mfc project, I've created a new generic class which is to handle some StaticText Controls. Passing CWnd from the CDialog, the generic class constructor creates the Static controls at run time (constructor call, .create(...)). It (seems) to work fine, since the text is displayed in the dialog. My Problem now is: How do I handle messages for the static text controls, e.g. mouse_move, mouse_down.

Help would be greatly appreciated Smile | :)

Sorry, if this is the wrong place for this, not sure if it belongs in managed c++

Re: Message Maps in classes

mastishka6-Sep-04 2:02

mastishka

6-Sep-04 2:02

Ok my friend for getting any messages on any control you have to go through subclassing, by that you can get complete control over any control. See artical named "Windows Message Handling - Part 4" by "Daniel Kopitchinski" in "Dialog and Windows Programming topics" of CodeProject.

Hyperlink: http://www.codeproject.com/dialog/messagehandling4.asp

Re: Message Maps in classes

Member 7563826-Sep-04 2:26

Member 756382

6-Sep-04 2:26

duh! sorry having wasted your time Smile | :)

ShellEX: How Can I overwrite existing General Property page fields?

Behzad Ebrahimi6-Sep-04 1:42

Behzad Ebrahimi

6-Sep-04 1:42

I saw ShellEx:
shellextguide3.asp[^]
shellextguide5.asp[^]

But I don't know How Can I overwrite existing General property page fields!?
I want to replace Gregorian Date with Persian Date that NOT supported in Windows XP or other windows!

OVERLAPPED Serial Communication

louis6-Sep-04 0:04

louis

6-Sep-04 0:04

I am currenlty going through a former colleague's code who used OVERLAPPED I/O to receive asynchronous serial data.
The program first declare a pointer variable pRxBuffer which will contain the received data. It then creates the port, then creates an overlapped event, and then reads the port which contains no data.
The program then waits indefinitely using WaitForMultipleObjects function. When the data arrives, the pointer variable pRxBuffer is immediately filled with the received data without using the ReadFile fucntion (or so it seems) and prior to calling the GerOverlappedResult function.
If this makes sense to someone, can you please explain to me how this is possible? How is the data transferred to pRxBuffer.

Thanks

Re: OVERLAPPED Serial Communication

soundman326-Sep-04 1:28

soundman32

6-Sep-04 1:28

That's how it works.

Basically, the initial ReadFile tells windows: here is a buffer, and here is the overlapped event is where I want you to tell me when you've filled the buffer.

There should also be a check on the return of ReadFile to check if the data has already arrived (which is possible).

Neil

Re: OVERLAPPED Serial Communication

louis7-Sep-04 22:54

louis

7-Sep-04 22:54

Thank you.
It confirms my suspicions. I was however unable to detect it in the MSDN notes.

Cheers

How to sort letter , number and Japan Text in Grid?

joynet5-Sep-04 23:56

joynet

5-Sep-04 23:56

Dear friends

I have to sort column in grid control and there are letters, numbers and

Japanese Text in the cell.

How about the algorithm and where I can get the solution way?

thanks a lot !

sincerely
joynet

share it, enjoy it.

How to write a plugin for IE

CodeToad.Com5-Sep-04 23:39

CodeToad.Com

5-Sep-04 23:39

Can anyone give me a pointer or two on how I go about writing a plugin for Internet Explorer. I can't seem to find anything on it on the web.

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.