App.razor

@inherits LayoutComponentBase

<MudThemeProvider/>
<MudDialogProvider/>
<MudSnackbarProvider/>

<PageTitle>Bitathon</PageTitle>

<MudLayout>
    <MudAppBar Color="Color.Primary" Fixed="true">
        <MudSpacer/>
        <MudButton OnClick='() => SetCurrentTab("BitathonTab")' Color="Color.Primary" Variant="Variant.Filled" DisableElevation="true">Bitathon</MudButton>
        <MudButton OnClick='() => SetCurrentTab("ConfigTab")' Color="Color.Primary" Variant="Variant.Filled" DisableElevation="true">Config</MudButton>
        <MudSpacer/>
    </MudAppBar>
    
    <DynamicComponent Type="CurrentNavigationState" />
</MudLayout>

@code
{
    private Type CurrentNavigationState { get; set; } = NavigationStates["ConfigTab"];
    
    private static readonly Dictionary<string, Type> NavigationStates = new()
    {
        {"BitathonTab", typeof(BitathonTab)},
        {"ConfigTab", typeof(ConfigTab)}
    };

    private void SetCurrentTab(string tabName)
    {
        CurrentNavigationState = NavigationStates[tabName];
    }
}