Windows 7 gave us some nice and useful little eye-catchers in the taskbar. Those are available using the Windows shell interfaces ITaskbarList3 and ITaskbarList4. But alas, how can a Delphi developer incorporate these in his applications?

This article is about how to retrieve the owner of a file. If you are experienced with some of the WinAPI security function this can be pretty easy. There are some problems that needs to be addressed though. The first one is the size of the security items like the SID name of the owner. [...]

In my last article “Jwscl and FreeAndNil” there were some great comments on the source design. Oliver told me to use a guarded memory page so the memory is always invalid. With his information I wrote a source code that creates a pointer which always triggers an access violation.

There is an interesting article about checking the version of the operating system. If you are too lazy to read it then just remember this: Do not check it at all! Well, I changed my mind. You should read it! So go to Yochay Kiriaty’s Article, read it and then get back her for the [...]

What is that? MSDN say’s: A Winlogon Notification Package is a DLL that exports functions that handle Winlogon events. For example, when a user logs onto the system, Winlogon calls each notification package’s logon event handler function to provide information about the event.

You cannot impersonate a pipe until you have read from it. Even a write call doesn’t work. So a service has to wait for a dummy client write call until it can check the client’s token. The following codes shows how multi instance pipe server could look like. Be aware that I wrote this to [...]

A call to CreateProcessAsUser will fail with ERROR_INVALID_PARAMETER if your new process belongs to another session and you allowed inheritance of handles. In this case you have to set parameter bInheritHandles to FALSE.

The following topics you can choose to research. Each topic has several possible options you can work on. The options are Library: Creating Windows headers for JEDI Windows API or (wrapper) classes for JEDI Windows Security Blogpost: Writing a blog post about the topic. Example: Writing an example about the topic that demonstrates using the [...]

“Have you ever seen the rain (on your background image through a Delphi window)?” Ok, sorry to all the Creedence Clearwater Revival fans out there . Today we wanna talk about how to achieve translucent Delphi windows with Windows Vista. I know this does not sound like a big deal for all the lucky owners [...]

This article was written by Benjamin aka chaosben. He kindly agreed to publish it here. You can also publish articles here. Mail us @ mail(-at+)delphi-jedi.net Getting started with BITS BITS, the Background Intelligent Transfer Service, provides an easy way to download/upload files from/to the network/internet. You may have heard of this service in the context [...]