Remove default white space document itext 7

Question

i use itext 7.1.9 for create the carrier lable bill. i want my bill have full with and height of the document, i set with table 100 percent or large width but my document still have something like default padding, i want to remove it. How can i do it. This is my result

And i want to remove white space here

Here is my code

Answer 1

You can set the margins of a document by calling setMargins(top, right, bottom, left) on the document. Just pass all 0s for no margins.

Alternatively, you can set each margin individually with, for example, setTopMargin(value).