Well, if we're talking about Windows you should make the window as big as the display resolution, and use ITaskbarList2::MarkFullscreenWindow to make sure the taskbar has lower z-order than your window.
To install a window screen properly, first measure the window frame to ensure the screen fits. Then, place the screen in the frame and secure it with clips or screws. Make sure the screen is taut and secure before closing the window.
To effectively put a screen in a window, first measure the window opening to ensure the screen fits properly. Then, insert the screen into the window frame and secure it in place using screen clips or a spline tool. Make sure the screen is taut and free of wrinkles to prevent sagging.
maximize button
To replace a casement window screen, first remove the existing screen by lifting it out of the window frame. Measure the dimensions of the screen and purchase a replacement screen of the same size. Place the new screen into the frame and secure it in place using the appropriate tools or clips. Make sure the screen is securely in place before closing the window.
It Means Make The Window Fill The Whole Screen
To remove a window screen without tabs, gently push the screen frame from the inside of the window until it pops out. Be careful not to damage the screen or the window frame.
To pop out a window screen, locate the tabs or clips on the frame, push or lift them to release the screen, then carefully pull the screen out of the window frame.
Document window
If you are using windows then at the top right of the window you are looking ar there is a box with a red "x" in it and beside it to the left two more boxes. The middle of the two will make your window full screen.
To put a screen in a window, first measure the window frame to ensure the screen fits properly. Then, remove the window frame if necessary and place the screen in the frame. Secure the screen by using screen clips or spline to hold it in place. Finally, reattach the window frame if it was removed and ensure the screen is securely in place.
To pop out a window screen, locate the tabs or clips on the frame of the screen. Press or lift these tabs to release the screen from the window frame. Carefully pull the screen out of the frame to remove it.
To remove a screen from a window, first locate the tabs or clips holding it in place. Press or lift these tabs to release the screen. Then, gently pull the screen out of the window frame. Be careful not to damage the screen or the window frame during this process.