Introduction - If you have any usage issues, please Google them yourself
Delphi: Delphi set-top window, the window is displayed on top (top) of other windows, formerly common in some of the video player, when playing the video, in order not to be obscured by other windows, will be put into other windows player window the top of the display, in order to enhance the user experience. Sticky windows need more examples, see the following example of this is also achieved Delphi source code:
Delphi window on top (always displayed on top) examples