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Duration.Addition Operator

Adds two instances of Duration together.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)

public static Duration operator +(
	Duration t1,
	Duration t2
You cannot use methods in XAML.


Type: System.Windows.Duration

The first instance of Duration to add.

Type: System.Windows.Duration

The second instance of Duration to add.

Return Value

Type: System.Windows.Duration
If both instances of Duration have TimeSpan values, this method returns the sum of those two values. If either value is set to Automatic, the method returns Automatic. If either value is set to Forever, the method returns Forever.
If either t1 or t2 has no value, this method returns null.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0