Error on reloading a window after a second window is closed #760

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claunia · 2026-01-29T16:47:52Z

claunia commented

2026-01-29 16:47:52 +00:00

Originally created by @dlitty on GitHub (Feb 17, 2022).

Version: latest (13.5.1)

.NET 5

Target: None; electronize start will reproduce

Using the latest Electron.NET API & CLI: if an application has two windows open, then one of them is closed, and you call Reload() on the first one, an error occurs:

A Javascript error occurred in the main process
Uncaught Exception: TypeError: Object has been destroyed
at BrowserWindow.<anonymous>( ... path ... /obj/Host/api/browserWindows.js:205:55 ...

Steps to Reproduce:

Create a new .NET 5 ASP.NET web application
Follow the instructions in the readme to set up Electron.NET in the project
Instead of Task.Run(async () => await Electron.WindowManager.CreateWindowAsync());, use:

    Task.Run(async () => 
    {
        var mainWindow = await Electron.WindowManager.CreateWindowAsync();
        var secondWindow = await Electron.WindowManager.CreateWindowAsync();
        secondWindow.Close();
        mainWindow.Reload();
    }

Alternatively, comment out the Close and Reload lines, and manually close one window and hit Cmd-R on the other.

Originally created by @dlitty on GitHub (Feb 17, 2022).   * **Version**: latest (13.5.1)  * .NET 5  * **Target**: None; `electronize start` will reproduce   Using the latest Electron.NET API & CLI: if an application has two windows open, then one of them is closed, and you call Reload() on the first one, an error occurs: ``` A Javascript error occurred in the main process Uncaught Exception: TypeError: Object has been destroyed at BrowserWindow.<anonymous>( ... path ... /obj/Host/api/browserWindows.js:205:55 ... ``` Steps to Reproduce: 1. Create a new .NET 5 ASP.NET web application 2. Follow the instructions in the readme to set up Electron.NET in the project 3. Instead of `Task.Run(async () => await Electron.WindowManager.CreateWindowAsync());`, use: ``` Task.Run(async () => { var mainWindow = await Electron.WindowManager.CreateWindowAsync(); var secondWindow = await Electron.WindowManager.CreateWindowAsync(); secondWindow.Close(); mainWindow.Reload(); } ``` Alternatively, comment out the Close and Reload lines, and manually close one window and hit Cmd-R on the other.

claunia added the bug label 2026-01-29 16:47:52 +00:00

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Reference: starred/Electron.NET#760