Dynamic Data Exchange (DDE) - Still Relevant?
Is there any reason to use Dynamic Data Exchange (DDE) in a modern Windows application? If not, what alternative technology would you use instead? ...
windows
File comparison utility
Hello all I am looking for compare utility similar for "win merge" or "beyond compare" . That in addition for gui comparison will have api that i will be able to run on my files via my code and see if the files are the same or not and also use it in gui mode to show graphically the differences . Any recommendations ? thanks ...
OpenGL "out of memory" on glReadPixels()
Hello, I am running into an "out of memory" error from OpenGL on glReadPixels() under low-memory conditions. I am writing a plug-in to a program that has a robust heap mechanism for such situations, but I have no idea whether or how OpenGL could be made to use it for application memory management. The notion that this is even possible ...
Get Data from Windows Form into C# program
I want my C# program to collect data. Then, when the OK button is clicked, I want this data to be loaded into my program -- such as into variables in Main(), or into data members of a class I have constructed, and I want the form to then go away -- not be hidden, but actually closed. Alas, read as I might in the book I have, the data c...
Calling ConnMgrMapURL results in a NotSupportedException
Hello all, I'm trying to implement to code described by this site to interface with the Connection Manager in Windows Mobile. However, I'm having trouble calling the ConnMgrMapURL function. Here is the function declaration: <DllImport("CellCore.dll")> _ Public Function ConnMgrMapURL(ByVal url As String, ByRef networkguid As Guid, ByVal...
Windows and system processes
Note: I've asked this question in a similiar format on superuser but it seems like it may fit here on SO better. It definitely also is about programming as it concerns parts of the Win32 API, Windows in general and process management. So there are these processes that can't be terminated with taskkill - system processes in general. But ...
Way to know if two partitions are in one physical hard disk without WMI?
Hey. I have those partitions (in Windows) for example: Hard Disk 1 - Partition C, Partition D Hard Disk 2 - Partition E Is there any way in a program language to know if for example partition C and partition D are in one physical hard disk without WMI? I don't want to use WMI because it's slow - for this example, it took for me 0.5 ...
Simple Mailslot program not working?
Using the client and server examples found here: http://www.winsocketdotnetworkprogramming.com/winsock2programming/winsock2advancedmailslot14.html Compiling them with VS2008, running the server and then "client Myslot" I keep getting "WriteFail failed with error 53." Anyone have any ideas? Links to other Mailslot examples are also welcom...
C++ TerminateProcess function
I've been searching examples for the Win32 API C++ function TerminateProcess() but couldn't find any. I'm not that familiar with the Win32 API in general and so I wanted to ask if someone here who is better in it than me could show me an example for, Retrieving a process handle by its PID required to terminate it and then call Termina...
Keycodes of function keys with F-lock off?
Many recent keyboard from Microsoft and Logitech have a so-called F-Lock key, which toggles the function keys F1 to F12 between their traditional keycodes and new meanings that are printed onto the keys: F1=Help F2=Undo F3=Redo F4=Open ... . (See also http://en.wikipedia.org/wiki/F-Lock.) This means that long-established shortcuts such ...
How to remove svn folders over FTP on Windows hosting
Hi there, I've accidentally copied a large part of a folder tree from my SVN working copy to my shared Windows web host via FTP. The site is now littered with .svn directories and and I need some way of cleaning them. The only access I have to the server is via FTP, or by running a script on the server. Does any one have a script whic...
IE6 turns jar into zip
Using windows server, I have a path to a file that, when you click the button, executes the jar file and runs the program. At least in firefox. The problem occurs with IE6. It takes my file.jar and turns it into file.zip. Any suggestions here? ...
How accurately (in terms of time) does Windows play audio?
Let's say I play a stereo WAV file with 317,520,000 samples, which is theoretically 1 hour long. Assuming no interruptions of the playback, will the file finish playing in exactly one hour, or is there some occasional tiny variation in the playback speed such that it would be slightly more or slightly less (by some number of millisecond...
create windows user using Delphi
Hello, I need to create new windows user as administrator using Delphi Thanks ...
Keeping an application on top and in focus - always
I am creating a kiosk application and I want to ensure it is always, no matter what, on top of other Windows applications and the Windows task bar. I am already blocking Windows keyboard commands (alt-tab, etc) but there are still situations that could cause an application to launch and steal the screen. Is it possible to hook into Win...
Local use of MySQL database
Hi all, Is it possible to use MySQL local? I mean NOT at a server. I read a lot about MySQL on a webserver with PHP, Joomla etc. I want to program a piece of software and use a database local to store results. Can I use MySQL for that? If so, is ther anyware on the net a good tutorial how to do that? ...
How to check which files I fopen'ed on Windows?
I received a "Too many open files" error when tried to do fopen (C++, Windows XP). Probably it happened because somewhere in my program I open files without closing them. Is there a way on Windows to see a list of all open file descriptors (or all files that my program fopened)? ...
Can "\Device\NamedPipe\\Win32Pipes" handles cause "Too many open files" error?
Continuing from this question: When I am trying to do fopen on Windows, I get a "Too many open files" error. I tried to analyze, how many open files I have, and seems like not too much. But when I executed Process Explorer, I noticed that I have many open handles with similar names: "\Device\NamedPipe\Win32Pipes.00000590.000000e2", "\...
Low level control of system speaker in Windows
Is there a way to take complete control of the motherboard speaker in Windows? So, instead of calling a function like this: beep(durationMs, frequency); I can use: beepContinuous(frequency); So all I have to specify is a frequency and it will output the correct voltage to play that frequency. ...
Service restarts automatically after it is manually stopped.
I have created a windows service in C#.NET that is continuously running. Now when i stop it from the services.msc initially it shows that it has been stopped but after some time when i refresh the services.msc it shows as started again. I also checked in the task manager at the same time, i see that the exe of my application gets killed ...