1. Open the friends/group/temporary dialogue window, click the second icon in the lower left corner, select the area to be screenshot, and click "Finish";
2. You can click on your personal avatar to enter my settings page, select "Hotkey Settings", click on "Screenshot" Hotkey Settings, and enter the hotkey to be set. After confirmation, just press and hold the hotkey you set and select the screenshot area to take a screenshot.