How to select the capture area?

DemoCreator > Support Help
When you start a new project, Wondershare DemoCreator offers you three capture area to select: Application, Custom Size and Full Screen.

If you select Application, you can select an application from the dropdown menu of application list in record mode.
If you select custom size, you can customize the capture area by typing the exact size or selecting the preset size. Drag the icon  on the upper-left corner of the capture area to move the position.