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AddDatesInPast Method
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CalendarBlackoutDatesCollection.AddDatesInPast Method

Adds all dates before Today to the collection.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public void AddDatesInPast()

Use this method to prevent users from selecting dates that are in the past.

The following example creates a Calendar that includes a Loaded event handler.

<Calendar Name="calendar1" Loaded="calendar1_Loaded"/>

The following example shows the Loaded event handler. The event handler calls the AddDatesInPast method to make only future dates selectable.

private void calendar1_Loaded(object sender, RoutedEventArgs e)
{
    Calendar cal = sender as Calendar;
    cal.BlackoutDates.AddDatesInPast();
}

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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