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Access denied on Device.Open() #15

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boskoKlemenc opened this issue Jun 17, 2021 · 0 comments
Open

Access denied on Device.Open() #15

boskoKlemenc opened this issue Jun 17, 2021 · 0 comments

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@boskoKlemenc
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boskoKlemenc commented Jun 17, 2021 •
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Hi,
I use Blazor wasm project and after I choose device in Chrome, I get:

My call:

var requestedDevices = await _usb.RequestDevice(); bool opened = requestedDevices.Opened; Console.WriteLine("Conbox opened state: " + opened); await requestedDevices.Open();

Response:
blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100] Unhandled exception rendering component: Access denied. undefined Microsoft.JSInterop.JSException: Access denied. undefined at System.Threading.Tasks.ValueTask1[TResult].get_Result () <0x306d990 + 0x00034> in :0
at Blazor.Extensions.WebUSB.USBDeviceMethods.Open (Blazor.Extensions.WebUSB.USBDevice device) [0x0003c] in /home/runner/work/WebUSB/WebUSB/src/Blazor.Extensions.WebUSB/USBDevice.Methods.cs:25 `
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