public ConditionalFormat()
{
InitializeComponent();
// attach cell presenter loaded/unloaded events
grid.LoadedCellPresenter += new EventHandler <DataGridCellEventArgs>(grid_LoadedCellPresenter);
grid.UnloadedCellPresenter += new EventHandler <DataGridCellEventArgs>(grid_UnloadedCellPresenter);
grid.ItemsSource = ProductDeliveryInfo.Generate(1000);
}
void grid_LoadedCellPresenter(object sender, DataGridCellEventArgs e)
{
if (e.Cell.Column.Name == "ExpectedDelivery")
{
ProductDeliveryInfo p = (ProductDeliveryInfo)e.Cell.Row.DataItem;
DateTime realDelivery = p.ReadyForDelivery.AddDays(p.DeliveryDays);
int daysDifference = p.ExpectedDelivery.Subtract(realDelivery).Days;
if (daysDifference < -2)
{
e.Cell.Presenter.Background = (Brush)Resources["ProblemBrush"];
}
else if (daysDifference < 0)
{
e.Cell.Presenter.Background = (Brush)Resources["DelayBrush"];
}
else if (daysDifference < 1)
{
e.Cell.Presenter.Background = (Brush)Resources["WarningBrush"];
}
}
}