If you want to know how many bytes of memory is using your process, here is simple example.

Using GetTempFileName, we can create a unique name for temporary file. It’s useful when your application is using temporary files and you want to save them into default TEMP folder and use a “random” filename.

To get full path to application associated with any file type, we need standard ShellAPI unit and the rest will do the FindExecutable function.

When you minimize modal window, this window is “hidden” behind (or below) application main form. Using this simple trick, we can minimize also the main application window together with modal “child” window.

Using GetSystemMetrics function, we can detect how the system is started.

This simple function will return name of currently logged in user.

This short tip will show you how to delete file to Recycle Bin. We need ShellAPI unit and the rest is very simple.

With this simple function, you will be able to get volume serial number and label. It could be either hard disk partition or CD/DVD disk.

Using this simple function, you will be able to read version information from any application executable. It’s very useful for example to show your own application version on title bar or “About” dialog.

The standard system font size in Windows XP is 96 dpi. You can also use 120 dpi, if your prefer bigger fonts or you can set this font size to your own value. However, the most applications today are tested only with standard font size and if you change it, even professional applications can have [...]