how can i use Multiline at runtime

i make program that will create textbox at runtime as user want so i want it to have multiline and scrollbars too..
but it won't work and said that those are read only

please help me how can i get in to other line ot textbox....

by not using multiline and scrollbar

Can't...you could create it with multiline and scrollbars and just leave it invisible till needed..
instead of creating it you just make it visible
text1.visible=true