```
public final class CTFrameProgression
extends java.lang.Object
```
[@enum] CTFrameProgression These constants specify frame progression types. The lines of text within a frame may be stacked for either horizontal or vertical text. Values are enumerated for each stacking type supported by CTFrame. Frames created with a progression type specifying vertical text will rotate lines 90 degrees counterclockwise when drawing. [@constant] kCTFrameProgressionTopToBottom Lines are stacked top to bottom for horizontal text. [@constant] kCTFrameProgressionRightToLeft Lines are stacked right to left for vertical text. [@constant] kCTFrameProgressionLeftToRight Lines are stacked left to right for vertical text.

Class CTFrameProgression