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Duration.Add Method

Adds the value of the specified instance of Duration to the value of the current instance.

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

public Duration Add(
	Duration duration


Type: System.Windows.Duration

An instance of Duration that represents the value of the current instance plus duration.

Return Value

Type: System.Windows.Duration
If both instances of Duration have values, an instance of Duration that represents the combined values. Otherwise this method returns null.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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