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Add Documentation for Preload Script #1031

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Add Documentation for Preload Script #1031

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497e6aa
Add check for existing preload script path before overriding
AeonSake Feb 17, 2026
850d8f6
Add documentation for preload script and warning for Blazor
AeonSake Feb 17, 2026
d5df307
Update documentation to reflect current approach
AeonSake Feb 17, 2026
3850a71
Revert "Add check for existing preload script path before overriding"
AeonSake Feb 17, 2026
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20 changes: 20 additions & 0 deletions docs/Using/Configuration.md
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Expand Up @@ -85,6 +85,26 @@ BrowserWindowOptions browserWindowOptions = new BrowserWindowOptions
```


### Preload Script

If you require the use of a [preload script](https://www.electronjs.org/docs/latest/tutorial/tutorial-preload), you can specify the file path of the script when creating a new window like so:

```csharp
WebPreferences wp = new WebPreferences();
wp.Preload = "path/to/preload.js";
BrowserWindowOptions browserWindowOptions = new BrowserWindowOptions
{
WebPreferences = wp
};
```

> [!IMPORTANT]
> When using a preload script _AND_ running a Blazor app, `IsRunningBlazor` must be set to `false` (or removed) and the following lines must be added to the preload script:
> ```js
> global.process = undefined;
> global.module = undefined;
> ```


## 🚀 Next Steps

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