PreformatIN tool GUI reference Main window The Main window contains three views: • Message view This is where you navigate in, and configure, the PreformatIN structure. Each block, field, and pattern in the Message view corresponds to a block, field, or pattern on the PreformatIN sheet. • PreformatIN sheet This is where you draw the frames, blocks, fields, and patterns. • Properties view Select a field or block in the Message view, or on the PreformatIN sheet, and configure the corresponding properties in the Properties view.