# How to set Border,HorizontalBox etc. size in BP

**URL:** <https://forums.unrealengine.com/t/how-to-set-border-horizontalbox-etc-size-in-bp/431398>\
**Category:** UI\
**Tags:** size, border, unreal-engine, Widget, Blueprint, question\
**Created:** [August 10, 2018, 8:33pm UTC](https://forums.unrealengine.com/t/how-to-set-border-horizontalbox-etc-size-in-bp/431398 "2018-08-10T20:33:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bogdanspbm](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/bogdanspbm/32/726230_2.png) [@bogdanspbm](https://forums.unrealengine.com/u/bogdanspbm)\
**Post date:** [August 10, 2018, 8:33pm UTC](https://forums.unrealengine.com/t/how-to-set-border-horizontalbox-etc-size-in-bp/431398/1 "2018-08-10T20:33:48Z")

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I need to set box size in bp.I used set desired size on border and set width,height on sizebox but it doesn’t work. Box always has his default size. I am calling these functions on event widget constructed.