How does the WIN8 system screenshot tool intercept the pop-up menu?

1, the system under the simultaneous holding down the keyboard "Windows" and "F" key to open the Search menu, click "Application." See figure below

2, in the "Application" inside Click "screenshot Tool" to start the screenshot. See figure below

3, "screenshot tool" has been started. See figure below

4, open the pop-up menu where you need to intercept images (take the Word document font size for example), because clicking on the "New" pop-up menu in the Screenshot tool will cancel, so it is necessary to press the "CTRL+PRSCRN" shortcut at the same time so that you can easily intercept the pop-up menu ( Note: When intercepting the pop-up menu through the shortcut key, the intercepting tool cannot be minimized, otherwise it cannot be intercepted. See figure below

5, the screenshot will automatically switch to the Screenshot tool panel, you can edit or save the screenshot. (See figure below)