How to set window title for a MAUI Blazor App targeting Windows?

user_5980410 0
Viewed 1460

Ive created a small application from the MAUI Blazor app template in MAUI preview 10 and have it targeted and running on windows. I however wish to set the title of the application which I imagined would be done with the Title attribute in the MainPage.xaml ContentPage tag. This however does nothing when starting the application.

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maui-blazor maui blazor xaml .net
2 Answers
public partial class MainApp : Application
{
    public MainApp()
    {
        InitializeComponent();

        MainPage = new MainPage();
    }

    protected override Window CreateWindow(IActivationState activationState)
    {
        var window = base.CreateWindow(activationState);
        if (window != null)
        {
            window.Title = "YOUR WINDOW TITLE";
        }

        return window;
    }
}
user_23959490

In App.xaml.cs under Platforms -> Windows, the AppWindow can be retreived with some reflection usage. The Title property can then be set on the appwindow instance.

using Microsoft.UI;
using Microsoft.UI.Windowing;
using System;
using WinRT.Interop;
.
.
.
    protected override void OnLaunched(LaunchActivatedEventArgs args)
        {
            base.OnLaunched(args);

            Microsoft.Maui.Essentials.Platform.OnLaunched(args);

            var currentWindow = Application.Windows[0].Handler.NativeView;
            IntPtr _windowHandle = WindowNative.GetWindowHandle(currentWindow);
            var windowId = Win32Interop.GetWindowIdFromWindow(_windowHandle);

            AppWindow appWindow = AppWindow.GetFromWindowId(windowId);
            appWindow.Title = "Title!";
        }
user_177222670
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