Form designer by default looks like this:
The same as the parent designer, it contains 4 parts:
1) Workspace - the working space. While you're adding or deleting elements, altering their properties, all the changes are being presented there.
2) Controls pane - a list of available controls. Right from here you can add controls to form.
3) Properties pane - displays properties of the selected control and provides editable text fields for editing the properties.
Top bar contains 2 tabs:
4) Toolbar - provides functionality for locating controls and saving/cancelling the created configuration.
Contains 4 buttons: