Duration::Subtraction Operator (Duration, Duration)

 
equivalentCodeEntityM:System.Windows.Duration.Subtract(System.Windows.Duration)

Subtracts the value of one instance of Duration from another.

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

public:
static Duration operator -(
	Duration t1,
	Duration t2
)

Parameters

t1
Type: System.Windows::Duration

The first instance of Duration.

t2
Type: System.Windows::Duration

The instance of Duration to subtract.

Return Value

Type: System.Windows::Duration

If both instances of Duration have values, an instance of Duration that represents the value of t1 minus t2. If t1 has a value of Forever and t2 has a value of TimeSpan, this method returns Forever. Otherwise this method returns null.

The following calculations all return a value of Automatic.

.NET Framework
Available since 3.0
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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