Multiline
When this style is set, the title can be displayed on multiple lines. This happens when the title does not fit the size of the Push-Button control or when it contains a LineFeed character (x"0A").
 
Example - Define a push-button with long title to be displayed in 2 lines
screen section. ...   03 screen-1-pb-3 Push-Button      line 12.1      column 15.2      size 10.7 cells       lines 5.3 cells       id 3      multiline      title "Cancel this Operation"      cancel-button      .  |