or
<Application x:Class="Bug_TimePicker.App" StartupUri="MainWindow.xaml"> <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="/Telerik.Windows.Themes.Office2013;component/Themes/System.Windows.xaml"/> <ResourceDictionary Source="/Telerik.Windows.Themes.Office2013;component/Themes/Telerik.Windows.Controls.xaml"/> <ResourceDictionary Source="/Telerik.Windows.Themes.Office2013;component/Themes/Telerik.Windows.Controls.Input.xaml"/> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources></Application><Window x:Class="Bug_TimePicker.MainWindow" Title="MainWindow" Height="350" Width="525"> <Grid Margin="10"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="5" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="200" /> </Grid.ColumnDefinitions> <tk:RadDateTimePicker DateTimeWatermarkContent="" EndTime="22:00" InputMode="TimePicker" SelectedTime="9:00" StartTime="8:00" TimeInterval="0:30" /> <TextBox Grid.Row="2" /> </Grid></Window>