Duration::Addition Operator (Duration, Duration)
.NET Framework (current version)
Adds two instances of Duration together.
Assembly: PresentationCore (in PresentationCore.dll)
Parameters
- t1
-
Type:
System.Windows::Duration
The first instance of Duration to add.
- t2
-
Type:
System.Windows::Duration
The second instance of Duration to add.
Return Value
Type: System.Windows::DurationIf 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.
.NET Framework
Available since 3.0
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Available since 3.0
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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