Hy tnx for answer.I'm using JavaScript, i wrote as you say but it still doesn't work.

The code below isn't working what coult be wrong?i have set up the font size for the text field on "0pt" then when opening pdf i check if value is shorter then 50 letters and if so then i have to change the font.size to "10pt".if (this.rawValue.length <=50) then this.font.size="10pt";The code doesn'...