Solved

FindWindow - Finding a name that is 'partial' to the window name C++

Posted on 2009-05-10
3
795 Views
Last Modified: 2012-05-06
I am trying to find a process name that may have a different version number, for example:

HANDLE test = FindWindow(TEXT("Test Window"), NULL);
if(test)
  return true;

Will find a window that is called "Test Window"... However, what if there is a number that changes once and awhile, for example:

"Find Window v1.2"
"Find Window v1.3"
"Find Window Beta"

What I'd want is it to return TRUE for all these of these. Basicly like if a partial name is found it should return TRUE, otherwise false.

Anyone got any suggestions?
0
Comment
Question by:Valleriani
3 Comments
 
LVL 40

Accepted Solution

by:
evilrix earned 350 total points
ID: 24347893
Use EnumWindow to enumerate all open windows. Use strncmp to look for a Window that starts with the string you are looking for. When found, stop enumerating the Windows. Since this work is done in a callback you'll need to persist the Window handle somewhere to retrieve after.
0
 
LVL 7

Author Comment

by:Valleriani
ID: 24348127
I have some following code attached.

For some reason this gives me a debug error of: i386/chkesp.c

"The value of the ESP was not properly saved across a function call..."

Any suggestions?
BOOL EnumWindowsProc(HWND hWnd, long lParam)

{

	char Buff[255];
 

	GetWindowText(hWnd, Buff, 254);

	if (strncmp (Buff,"Test Window xxx",11) == 0)

	  return TRUE;

}
 

BOOL FindProcess()

{

	EnumWindows((WNDENUMPROC)EnumWindowsProc, 0);

		return TRUE;

}

Open in new window

0
 
LVL 86

Assisted Solution

by:jkr
jkr earned 150 total points
ID: 24348268
You are missing the 'CALLBACK' attribute for your EnumWindowsProc which causes a different calling convention and therefore this error - better use
BOOL CALLBACK EnumWindowsProc(HWND hWnd, long lParam)

{

        char Buff[255];

 

        GetWindowText(hWnd, Buff, 254);

        if (strncmp (Buff,"Test Window xxx",11) == 0)

          return TRUE;

}

Open in new window

0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

When writing generic code, using template meta-programming techniques, it is sometimes useful to know if a type is convertible to another type. A good example of when this might be is if you are writing diagnostic instrumentation for code to generat…
IntroductionThis article is the second in a three part article series on the Visual Studio 2008 Debugger.  It provides tips in setting and using breakpoints. If not familiar with this debugger, you can find a basic introduction in the EE article loc…
The viewer will learn how to user default arguments when defining functions. This method of defining functions will be contrasted with the non-default-argument of defining functions.
The viewer will learn additional member functions of the vector class. Specifically, the capacity and swap member functions will be introduced.

932 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

7 Experts available now in Live!

Get 1:1 Help Now