Whether full-screen message events can be detected

XUWANBIN 201

Can I register a message? Let me know when something else goes full screen.

Tells the taskbar to restart, as with RegisterWindowMessageW(L"TaskbarCreated")

Junjie Zhu - MSFT 16,706 Reputation points Microsoft Vendor

2023-01-23T07:34:55.57+00:00

Hello @XUWANBIN ,

Welcome to Microsoft Q&A!

Could you please provide more information to help us further check the problem for you?

Let me know when something else goes full screen.

What does "something else" refer to, a win32 desktop application or some other type of application?
XUWANBIN 201 Reputation points

2023-01-26T08:15:27.0433333+00:00

我使用AppBar 和ABN_FULLSCREENAPP 发现了新的问题,

Full screen video under the main display, messages can.

Full screen video in the secondary monitor, message cannot.

In addition,

A window (Edge browser) is moved from the main display to the secondary display, triggering a full screen message (true).

A window (Edge browser) moving from the secondary monitor to the primary monitor triggers a full screen message (fake).
Junjie Zhu - MSFT 16,706 Reputation points Microsoft Vendor

2023-01-26T09:26:48.9166667+00:00

Hi Wanbin,

Does the AppBar start on the secondary monitor?

1 answer

Castorix31 83,206 Reputation points

2023-01-23T07:53:06.46+00:00

A way is with an AppBar and ABN_FULLSCREENAPP

(tested on Windows 10 22H2 with several games in Fullscreen)
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XUWANBIN 201 Reputation points

2023-01-23T11:46:32.9933333+00:00

Full screen video under the main display, messages can.

Full screen video in the secondary monitor, message cannot.

In addition,

A window (Edge browser) is moved from the main display to the secondary display, triggering a full screen message (true).

A window (Edge browser) moving from the secondary monitor to the primary monitor triggers a full screen message (fake).
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