For example, if youre trying to code a custom function thats defined in a separate file.
In the second level of the drop-down list, select which of the pre-configured layouts you want.
punch View then Layout in the drop-down list and select an option from the second level of the menu.
punch View again, then click Groups directly below Layout.
In the second level of the menu, click New Group to add a new sub-window.
Tip: you might open a new sub-window with a pair of keyboard shortcuts.
To do so, you oughta press Ctrl+K, then Ctrl+Shift+Up.
it’s possible for you to repeat as many times as you like.
Press Ctrl+K, then Ctrl+Shift+Up to open a new sub-window.
