<RadzenStack Orientation="Orientation.Horizontal" JustifyContent="JustifyContent.Center" AlignItems="AlignItems.Center" Gap="0.5rem" class="rz-p-12">
    <RadzenLabel Text="Select Time Span" Component="RadzenTimeSpanPickerFormat"/>
    <RadzenTimeSpanPicker @bind-Value="@value" Name="RadzenTimeSpanPickerFormat" TimeSpanFormat="@timeSpanFormat" />
</RadzenStack>

@code {
    string timeSpanFormat => (value < TimeSpan.Zero ? "'-'" : "") + "d'd 'h'h 'm'min 's's'";
    TimeSpan? value = new TimeSpan(1, 12, 30, 0);
}