Using this simple trick, you can write any text right on Windows desktop. You can choose text color, transparency, position…

When you rightclick application title bar (or leftclick icon on title bar), the system menu will appear. Here are common commands to close, minimize or maximize window. But you can add your own commands if you like. Here is how.

If you use standard main menu component, all items are usually on the left side of the window and there is not much you can do about it using Object Inspector. Here is a little trick to move one main menu item on the right side while the rest remains on the left side. It’s [...]

One of the most effective method to check if the file is ok is to calculate CRC32 checksum and compare it with previously saved value. Using CRC check, you can also compare two files, verify downloaded files etc…

The length of whole path and file name could be too long to show it in title bar of application or some label. Solution? Show shortened version of a filename using dots instead of folders.

Using ShlObj unit and SHGetSpecialFolderLocation Windows API function, we can retrieve the location of a special folders, such as My computer, Desktop, Program Files etc… There are over 20 special folder locations.

If you want to detect user inactivity even if your application is in background (has no focus), it’s really simple. You can achieve this using GetLastInputInfo function.

Using ShellAPI unit and few lines of code, we can load directory structure into ListView and show associated icons and information for each file.

Do you remember Delay procedure from Turbo (Borland) Pascal? It was used to pause the program “flow” for specific time interval. In Windows, there is a different style of programming, but sometimes (maybe) the Dealy procedure may be useful. Here is a simple implementation of Delay procedure using Delphi.

There are few methods to check if computer is online (=connected) or offline (=disconnected). This one is really simple.