How change the width of line programmetically

Hi all!
I have a problem. Please guide me how it can be handled? The Problem is:-
I want to change the width of a line programmatically when I press the button.
Waiting for an urgent response.
Thanks
BASIT ALI KHAN

What kind of line?
You can create a line with a text_field that has a small height (1) and then use the set_item_property to change its width.

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see how you can change the widths
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Attachments:
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How change the width of line programmetically

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