<Window xmlns:syncfusion="http://schemas.syncfusion.com/wpf">
    <Grid>
        <!-- Basic TimeSpanEdit -->
        <syncfusion:TimeSpanEdit 
            x:Name="timeSpanEdit"
            Value="5.12:30:45"
            Width="150"
            Height="30" />
    </Grid>
</Window>

using Syncfusion.Windows.Shared;

public partial class MainWindow : Window {
    public MainWindow() {
        InitializeComponent();
        
        // Create and configure TimeSpanEdit
        TimeSpanEdit editor = new TimeSpanEdit();
        editor.Value = new TimeSpan(5, 12, 30, 45);
        editor.Width = 150;
        editor.Height = 30;
        
        this.Content = editor;
    }
}

<syncfusion:TimeSpanEdit 
    Value="5.08:30:00"
    MinValue="2.00:00:00"
    MaxValue="10.00:00:00"
    ShowArrowButtons="True" />

<syncfusion:TimeSpanEdit 
    Value="3.14:25:30"
    Format="d 'days' h 'hours' m 'minutes' s 'seconds'" />

<syncfusion:TimeSpanEdit 
    Value="5.10:00:00"
    StepInterval="1.00:15:30"
    IncrementOnScrolling="True" />

<syncfusion:TimeSpanEdit 
    Value="7.18:45:30"
    IsReadOnly="True"
    AllowNull="False" />

<syncfusion:TimeSpanEdit 
    AllowNull="True"
    Value="{x:Null}"
    NullString="Enter time duration..." />