We are proud to announce the conversion of StrSafe.h header: JwaStrSafe.pas conversion is now available through the JEDI API Lib subversion repository. You can also get the header here (only temporary). What is JwaStrSafe.pas ? StrSafe defines safer C library string routine replacements. These are meant to make C a bit more safe in reference [...]

There are many error messages in a Windows System. Actually a MSDN article describes them – or better: part of them. However they weren’t enough for me, so I decided to get all of them.

Yesterday, I described how to get the process of a window. Today I show you how to obtain the threads of a process. There are two ways to retrieve all the threads of a foreign process. Use the Tool Help Library. There is also a sample about enumerating threads. So I am not going to [...]

It is impossible to use SetThreadDesktop and the VCL at the same time because a thread can only show windows on one desktop at a time. However VCL is not written for the use with multiple threads, so there is no way to show Delphi forms of same process on two different desktops. SetThreadDesktop describes [...]

This answer is very easy – just use GetWindowThreadProcessId JWA declares it as followed: function GetWindowThreadProcessId(hWnd: HWND; lpdwProcessId: LPDWORD): DWORD; stdcall; The function returns an identifier (not a handle) and also may set lpdwProcessId to the identifier (again not a handle!) if it is not nil. Be aware that identifiers aren’t handles, so you must [...]

The people from Microsoft decided that the user has to be in full control over the computer. So there is no assured way to make a program user resistant. She can always use TerminateProcess to forcibly kill the process.

Dear visitor, This page is all about the Joint Endavour of Delphi Innovators – JEDI. So what we are talking about is all about Delphi and the Windows API. There are plenty articles about C, C++, C# and Visual Basic which describes WinAPI problems everywhere over the Internet. The JEDI API Library (JWA) contains many [...]

Please read this “How to” before submitting any Header Conversions to us. Then you can submit the headers to us by mail.

I found this very old but still good article about how to use the Windows API. These are the subjects: Part I: The Primer Windows API calls are just calls to dynamic link libraries Loading a dynamic link library Dynamic loading at runtime Resource only dynamic link libraries Stack usage and dynamic link libraries Callback [...]

Please refer to this documentation if you want to supply a header conversion!