DateNavigator.RefreshCellAppearances() Method

Refreshes cell’s appearance.

Namespace: DevExpress.Xpf.Editors.DateNavigator

Assembly: DevExpress.Xpf.Core.v24.1.dll

NuGet Package: DevExpress.Wpf.Core

Declaration

C#

public void RefreshCellAppearances()

VB.NET

Public Sub RefreshCellAppearances

Remarks

The RefreshCellAppearances method raises the RequestCellAppearance event for each displayed cell and clears the cell’s cached appearance values.

The following code sample resets the 09.18.2020 cell’s cached appearance values when you click the RefreshButton button:

MainWindow.xaml

<Window ...
  xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors">
  <StackPanel>
    <dxe:DateNavigator x:Name="DateNav" CalendarView="Month" RequestCellAppearance="DateNav_RequestCellAppearances">
      <dxe:DateNavigator.Appearance>
        <dxe:DateNavigatorCellAppearance>
          <dxe:DateNavigatorCellAppearance.SelectedState>
            <dxe:DateNavigatorStateAppearance Background="LightCyan" Foreground="Black" BorderThickness="1" BorderBrush="Black"/>
          </dxe:DateNavigatorCellAppearance.SelectedState>
        </dxe:DateNavigatorCellAppearance>
      </dxe:DateNavigator.Appearance>
    </dxe:DateNavigator>

    <Button x:Name="RefreshButton" Click="Button_Click"/>
  </StackPanel>
</Window>

MainWindow.xaml.cs

private void DateNav_RequestCellAppearances(object sender, DevExpress.Xpf.Editors.DateNavigator.DateNavigatorRequestCellAppearancesEventArgs args) {
    DateTime day = new DateTime(2020, 9, 18);
        if (args.DateTime.Date == day && args.CellState.HasFlag(DevExpress.Xpf.Editors.DateNavigator.DateNavigatorCalendarCellState.Selected))
        {
            args.Appearance.Background = Brushes.Blue;
            args.Appearance.Foreground = Brushes.White;
            args.CacheValue = true;
        }
}

private void Button_Click(object sender, RoutedEventArgs e)
    {
        DateNav.RefreshCellAppearances();
    }