KeyEventArgs.IsUp Property

Gets a value that indicates whether the key referenced by the event is in the up state.

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

'Declaration
Public ReadOnly Property IsUp As Boolean

Property Value

Type: System.Boolean
true if the key is up; otherwise, false. There is no default value.

The Keyboard class also provides information about the state of the keys on the keyboard. For instance, the IsKeyUp method returns whether a specified is up.

The following example checks whether the key associated with an instance of KeyEventArgs is up by obtaining the state of the IsUp property.

			' e is an instance of KeyEventArgs.
			' btnIsUp is a Button.
			If e.IsUp Then
				btnIsUp.Background = Brushes.Red

.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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