A helper to replace the win32 caption button tooltip for WinUI3 Window using WinUI3's ToolTip.

Usage

<dev:ModernWindowCaptionButtonToolTip x:Name="CaptionToolTip" Window="{x:Bind}"/>

public MainWindow()
{

    this.InitializeComponent();
    ExtendsContentIntoTitleBar = true;
}

Demo

you can run demo and see this feature.