Keyboard.IsKeyUp Method

Determines whether the specified key is released.

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

static member IsKeyUp : 
        key:Key -> bool

Parameters

key
Type: System.Windows.Input.Key

The key to check.

Return Value

Type: System.Boolean
true if key is in the up state; otherwise, false.

The GetKeyStates method can be used to determine the set of states of a specific key.

The following example shows how to use the IsKeyUp method to determine the state of a specific key. The Return key is passed to the IsKeyUp method. If the method returns true, then the background of a Button is changed.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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