Subtraction Operator

Duration.Subtraction Operator

Subtracts the value of one Duration from another.

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

public static Duration operator -(
	Duration t1,
	Duration t2


Type: System.Windows.Duration
The first Duration.
Type: System.Windows.Duration
The Duration to subtract.

Return Value

Type: System.Windows.Duration
If each Duration has values, a 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.


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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