The small wound has been making an app at the top of the screen, if the move directly counts the black part along the screen, then it can move.
Follow the link to enter the meeting, or open Tencent Meetings to set up a meeting
Start Screen sharing
When you need to switch to another file window, open the target file first, and then click the option of sharing screen to enter the sharing window selection interface, select the window to be shared to complete the sharing