# Full screen on windows custom ui demo\_v2

**URL:** <https://devforum.zoom.us/t/full-screen-on-windows-custom-ui-demo-v2/20245>\
**Category:** Windows\
**Created:** [June 4, 2020, 7:19am UTC](https://devforum.zoom.us/t/full-screen-on-windows-custom-ui-demo-v2/20245 "2020-06-04T07:19:52Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![alexey.roudenko](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/alexey.roudenko/32/9836_2.png) [@alexey.roudenko](https://devforum.zoom.us/u/alexey.roudenko)\
**Post date:** [June 4, 2020, 7:19am UTC](https://devforum.zoom.us/t/full-screen-on-windows-custom-ui-demo-v2/20245/1 "2020-06-04T07:19:52Z")

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**Description**  
Hi, im trying to make fullscreen with rewrite method “ShowHideChatWindow” and this no take effect. Also trying EnterFullScreen(true, true); and EnterFullScreen(true, false);

void CCustomizeInMeetingUIMgr::ShowHideChatWindow()  
{  
m\_pMeetingService-\>GetUIController()-\>EnterFullScreen(false, true);  
}

**Which version?**  
Latest windows sdk

**Smartphone (please complete the following information):**  
Windows 10

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<div class="post-metadata">

**Author:** ![carson.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/carson.zoom/32/785_2.png) [@carson.zoom](https://devforum.zoom.us/u/carson.zoom)\
**Post date:** [June 9, 2020, 4:37am UTC](https://devforum.zoom.us/t/full-screen-on-windows-custom-ui-demo-v2/20245/2 "2020-06-09T04:37:39Z")

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Hi @alexey.roudenko,

Thanks for using Zoom SDK. Are you using Custom UI? The EnterFullScreen method will only work for Zoom default UI. When using Custom UI, the corresponding function will need to handle by the developer.

Hope this helps. Thanks!

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<div class="post-metadata">

**Author:** ![alexey.roudenko](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/alexey.roudenko/32/9836_2.png) [@alexey.roudenko](https://devforum.zoom.us/u/alexey.roudenko)\
**Post date:** [June 9, 2020, 8:09am UTC](https://devforum.zoom.us/t/full-screen-on-windows-custom-ui-demo-v2/20245/3 "2020-06-09T08:09:14Z")

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Yes, im work with custom UI. Thank you! I will try.

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<div class="post-metadata">

**Author:** ![carson.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/carson.zoom/32/785_2.png) [@carson.zoom](https://devforum.zoom.us/u/carson.zoom)\
**Post date:** [June 17, 2020, 6:01am UTC](https://devforum.zoom.us/t/full-screen-on-windows-custom-ui-demo-v2/20245/4 "2020-06-17T06:01:33Z")

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Closed on June 17, 2020, 6:01am UTC