[Problem/Bug]: new winui3 black app can not drag file from explorer to webview2 ,please fix this bug.

[caoruipeng123]

What happened?

we use vs2022 create an black winui3 app with webview2. app can't drag file from explorder to webview2

Importance

Blocking. My app's basic functions are not working due to this issue.

Runtime Channel

Stable release (WebView2 Runtime)

Runtime Version

130.0.2849.56

SDK Version

1.6.240923002

Framework

WinUI3/WinAppSDK

Operating System

Windows 11

OS Version

Windows Feature Experience Pack 1000.22700.1041.0

Repro steps

1.create new winui3 app
2.run new winui3 app.
3.drap an txt file from desktop to wenview2 .show a red disabled icon.

kk.2024-11-07.17-15-16.mp4

Repros in Edge Browser

Yes, issue can be reproduced in the corresponding Edge version

Regression

No, this never worked

Last working version (if regression)

No response

[caoruipeng123]

we have set AllowDrop=true